function initDrag() { var o = document.all ? document.all["map-image"] : document.getElementById("map-image"); var idbox = document.all ? document.all["identify-box"] : document.getElementById("identify-box"); x_start = document.all ? document.all["x_start"] : document.getElementById("x_start"); y_start = document.all ? document.all["y_start"] : document.getElementById("y_start"); x_end = document.all ? document.all["x_end"] : document.getElementById("x_end"); y_end = document.all ? document.all["y_end"] : document.getElementById("y_end"); Drag.init(o, null, (-1*half_width), half_width, (-1*half_height), half_height); Drag.init(idbox, null, 0, 225, 0, 260); // report stuff o.onDragStart = function(x, y) { reportDragStart(x, y); } o.onDragEnd = function(x, y) { reportDragEnd(x, y); x_center = half_width - (x - x_start.value); y_center = half_height - (y - y_start.value); reportCenter(x_center, y_center); if (x_end.value==0 && y_end.value==0) { } else { getMap(); getLegend(); closeIdentify(); } } } function reportDragStart(x, y) { x_start.value = 0; y_start.value = 0; } function reportDragEnd(x, y) { x_end.value = x; y_end.value = y; } function reportCenter(x,y) { var center_lng = document.getElementById('center_lng'); var center_lat = document.getElementById('center_lat'); center_lng.value = convertX('l',x); center_lat.value = convertY('l',y); } function repositionMap() { var mapimage = document.getElementById("map-image"); mapimage.style.top = 0; mapimage.style.left = 0; } function convertX(mode,x) { var lng_min = document.getElementById("lng_min").value; var lng_max = document.getElementById("lng_max").value; var px_min = 0; var px_max = map_width; if (mode=="p") { new_x = Math.round((x - lng_min) / (lng_max - lng_min) * (px_max - px_min)); } else if (mode=="l") { new_x = (x - px_min) / (px_max - px_min) * (lng_max - lng_min) + parseFloat(lng_min); } new_x = Math.round(1000000000000*new_x)/1000000000000; return new_x; } function convertY(mode,y) { var lat_min = document.getElementById("lat_min").value; var lat_max = document.getElementById("lat_max").value; var py_min = 0; var py_max = map_height; if (mode=="p") { new_y = Math.round((lat_max - y) / (lat_max - lat_min) * (py_max - py_min)); } else if (mode=="l") { new_y = (py_max - y) / (py_max - py_min) * (lat_max - lat_min) + parseFloat(lat_min) ; } new_y = Math.round(1000000000000*new_y)/1000000000000; return new_y; } function centerMap(event) { var x = event.layerX ? event.layerX : event.offsetX; var y = event.layerY ? event.layerY : event.offsetY; reportCenter(x,y); getMap(); } function identify(event) { var zone = document.getElementById("zone").value; if (zone=="") {zone="";} var idbox = document.getElementById("identify-box"); if (idbox.style.display != "block") { var x = event.layerX ? event.layerX : event.offsetX; var y = event.layerY ? event.layerY : event.offsetY; x_end = document.all ? document.all["x_end"] : document.getElementById("x_end"); y_end = document.all ? document.all["y_end"] : document.getElementById("y_end"); if (x_end.value<2 && x_end.value>-2 && y_end.value<2 && y_end.value>-2) { hourglass(); lng = convertX('l',x); lat = convertY('l',y); var scale = document.getElementById("ui_scale").value; if (scale=="") {scale=scale_default;} var layers = document.all ? document.all["layer"] : document.getElementById("layer"); var httpID = getHTTPObject(); // We create the HTTP Object url = "identify_xml.php?zone=" + zone + "&scale=" + scale + "&lat=" + lat + "&lng=" + lng + "&layers=" + layers.value + "&ms=" + new Date().getTime(); httpID.open("GET", url, true); httpID.onreadystatechange = function() { if (httpID.readyState == 4) { var DivElement = document.getElementById("identify"); var result = httpID.responseText; lat = y; if (lat<270) { lat = 270; } if (lat>690) { lat = 690; } lat = map_height - lat; lng = x; if (lng>290) { lng = 290; } if (lng<10) { lng = 10; } lng = lng - 1; DivElement.innerHTML = result; idbox.style.display = "block"; idbox.style.top = "245px"; idbox.style.left = "210px"; hourglass('stop'); } } httpID.send(null); } } else { closeIdentify(); } } function closeIdentify() { var idbox = document.getElementById("identify-box"); idbox.style.display = "none"; } function zoom(scale_new) { var scale = document.getElementById("ui_scale").value; if (scale=="") {scale=scale_default;} if (scale_new=='out') { if (scale < 10) { scale_new = eval(scale) + 1; } else {scale_new = scale;} } if (scale_new=='in') { if (scale > 1) { scale_new = eval(scale) - 1; } else {scale_new = scale;} } scale = document.getElementById("ui_scale"); scale.value = scale_new; getMap(); getLegend(); } function pan(dir) { pan_dir = document.getElementById("ui_pan"); pan_dir.value = dir; getMap(); getLegend(); } function changeLayer() { getMap(); getLegend(); } function changeRegion(region) { setRegion(region); getMap(); getLegend(); } function setRegion(region) { switch (region) { case "Anchorage, AK": document.getElementById("ref").value="anchorage"; document.getElementById("zone").value="06V"; document.getElementById("center_lat").value="61.1088"; document.getElementById("center_lng").value="-149.268"; document.getElementById("ui_scale").value="7"; break; case "Atlanta, GA": document.getElementById("ref").value="atlanta"; document.getElementById("zone").value="16S"; document.getElementById("center_lat").value="33.763547429184"; document.getElementById("center_lng").value="-84.379044759264"; document.getElementById("ui_scale").value="7"; break; case "Austin--San Marcos, TX": document.getElementById("ref").value="austin"; document.getElementById("zone").value="14R"; document.getElementById("center_lat").value="30.270452672605"; document.getElementById("center_lng").value="-97.710204574801"; document.getElementById("ui_scale").value="7"; break; case "Boston--Worcester--Lawrence, MA--NH--ME--CT": document.getElementById("ref").value="boston"; document.getElementById("zone").value="19T"; document.getElementById("center_lat").value="42.39662248295"; document.getElementById("center_lng").value="-71.31173981675"; document.getElementById("ui_scale").value="7"; break; case "Buffalo--Niagara Falls, NY": document.getElementById("ref").value="buffalo"; document.getElementById("zone").value="17T"; document.getElementById("center_lat").value="42.9064"; document.getElementById("center_lng").value="-78.7986"; document.getElementById("ui_scale").value="7"; break; case "Champaign--Urbana, IL": document.getElementById("ref").value="champaign"; document.getElementById("zone").value="16T"; document.getElementById("center_lat").value="40.1399"; document.getElementById("center_lng").value="-88.1961"; document.getElementById("ui_scale").value="7"; break; case "Charlotte--Gastonia--Rock Hill, NC--SC": document.getElementById("ref").value="charlotte"; document.getElementById("zone").value="17S"; document.getElementById("center_lat").value="35.1607463265"; document.getElementById("center_lng").value="-80.8278317246"; document.getElementById("ui_scale").value="7"; break; case "Chicago--Gary--Kenosha, IL--IN--WI": document.getElementById("ref").value="chicago"; document.getElementById("zone").value="16T"; document.getElementById("center_lat").value="41.8324"; document.getElementById("center_lng").value="-87.9358"; document.getElementById("ui_scale").value="7"; break; case "Cincinnati--Hamilton, OH--KY--IN": document.getElementById("ref").value="cincinnati"; document.getElementById("zone").value="16S"; document.getElementById("center_lat").value="39.1304277418"; document.getElementById("center_lng").value="-84.5140415539"; document.getElementById("ui_scale").value="7"; break; case "Cleveland--Akron, OH": document.getElementById("ref").value="cleveland"; document.getElementById("zone").value="17T"; document.getElementById("center_lat").value="41.4640927305"; document.getElementById("center_lng").value="-81.6618224975"; document.getElementById("ui_scale").value="7"; break; case "Columbus, OH": document.getElementById("ref").value="columbus"; document.getElementById("zone").value="17S"; document.getElementById("center_lat").value="40.0018123092"; document.getElementById("center_lng").value="-82.9558089323"; document.getElementById("ui_scale").value="7"; break; case "Dallas--Fort Worth, TX": document.getElementById("ref").value="dallas"; document.getElementById("zone").value="14S"; document.getElementById("center_lat").value="32.8713632154"; document.getElementById("center_lng").value="-96.9378298796"; document.getElementById("ui_scale").value="7"; break; case "Denver--Boulder--Greeley, CO": document.getElementById("ref").value="denver"; document.getElementById("zone").value="13T"; document.getElementById("center_lat").value="39.7981606568"; document.getElementById("center_lng").value="-104.998260974"; document.getElementById("ui_scale").value="7"; break; case "Detroit--Ann Arbor--Flint, MI": document.getElementById("ref").value="detroit"; document.getElementById("zone").value="17T"; document.getElementById("center_lat").value="42.4377867674"; document.getElementById("center_lng").value="-83.276436771"; document.getElementById("ui_scale").value="7"; break; case "Fort Collins--Loveland, CO": document.getElementById("ref").value="fortcollins"; document.getElementById("zone").value="13T"; document.getElementById("center_lat").value="40.5079666415"; document.getElementById("center_lng").value="-105.077944092"; document.getElementById("ui_scale").value="7"; break; case "Fort Wayne, IN": document.getElementById("ref").value="fortwayne"; document.getElementById("zone").value="16T"; document.getElementById("center_lat").value="41.0485"; document.getElementById("center_lng").value="-85.2443"; document.getElementById("ui_scale").value="7"; break; case "Harrisburg--Lebanon--Carlisle, PA": document.getElementById("ref").value="harrisburg"; document.getElementById("zone").value="18T"; document.getElementById("center_lat").value="40.3021"; document.getElementById("center_lng").value="-76.9116"; document.getElementById("ui_scale").value="7"; break; case "Hartford, CT": document.getElementById("ref").value="hartford"; document.getElementById("zone").value="18T"; document.getElementById("center_lat").value="41.7262"; document.getElementById("center_lng").value="-72.6316"; document.getElementById("ui_scale").value="7"; break; case "Honolulu, HI": document.getElementById("ref").value="honolulu"; document.getElementById("zone").value="04Q"; document.getElementById("center_lat").value="21.4852"; document.getElementById("center_lng").value="-157.966"; document.getElementById("ui_scale").value="7"; break; case "Houston--Galveston--Brazoria, TX": document.getElementById("ref").value="houston"; document.getElementById("zone").value="15R"; document.getElementById("center_lat").value="29.7658930066"; document.getElementById("center_lng").value="-95.4022636994"; document.getElementById("ui_scale").value="7"; break; case "Kansas City, MO--KS": document.getElementById("ref").value="kansascity"; document.getElementById("zone").value="15S"; document.getElementById("center_lat").value="39.0703088699"; document.getElementById("center_lng").value="-94.6296737071"; document.getElementById("ui_scale").value="7"; break; case "Lancaster, PA": document.getElementById("ref").value="lancaster"; document.getElementById("zone").value="18T"; document.getElementById("center_lat").value="40.0185"; document.getElementById("center_lng").value="-76.2976"; document.getElementById("ui_scale").value="7"; break; case "Las Vegas, NV--AZ": document.getElementById("ref").value="lasvegas"; document.getElementById("zone").value="11S"; document.getElementById("center_lat").value="36.1093761086"; document.getElementById("center_lng").value="-115.089756642"; document.getElementById("ui_scale").value="7"; break; case "Little Rock--North Little Rock, AR": document.getElementById("ref").value="littlerock"; document.getElementById("zone").value="15S"; document.getElementById("center_lat").value="34.7663893911"; document.getElementById("center_lng").value="-92.2914089794"; document.getElementById("ui_scale").value="7"; break; case "Los Angeles--Riverside--Orange County, CA": document.getElementById("ref").value="losangeles"; document.getElementById("zone").value="11S"; document.getElementById("center_lat").value="34.0597610901"; document.getElementById("center_lng").value="-118.022783627"; document.getElementById("ui_scale").value="7"; break; case "Memphis, TN--AR--MS": document.getElementById("ref").value="memphis"; document.getElementById("zone").value="16S"; document.getElementById("center_lat").value="35.1362642059"; document.getElementById("center_lng").value="-89.9601433637"; document.getElementById("ui_scale").value="7"; break; case "Miami--Fort Lauderdale, FL": document.getElementById("ref").value="miami"; document.getElementById("zone").value="17R"; document.getElementById("center_lat").value="25.8072790637"; document.getElementById("center_lng").value="-80.3068475534"; document.getElementById("ui_scale").value="7"; break; case "Milwaukee--Racine, WI": document.getElementById("ref").value="milwaukee"; document.getElementById("zone").value="16T"; document.getElementById("center_lat").value="43.0772"; document.getElementById("center_lng").value="-88.1545"; document.getElementById("ui_scale").value="7"; break; case "Minneapolis--St. Paul, MN--WI": document.getElementById("ref").value="minneapolis"; document.getElementById("zone").value="15T"; document.getElementById("center_lat").value="45.0067815588"; document.getElementById("center_lng").value="-93.2251797444"; document.getElementById("ui_scale").value="7"; break; case "Nashville, TN": document.getElementById("ref").value="nashville"; document.getElementById("zone").value="16S"; document.getElementById("center_lat").value="36.1356"; document.getElementById("center_lng").value="-86.7907"; document.getElementById("ui_scale").value="7"; break; case "New Orleans, LA": document.getElementById("ref").value="neworleans"; document.getElementById("zone").value="16R"; document.getElementById("center_lat").value="30.0389577747"; document.getElementById("center_lng").value="-89.9362935302"; document.getElementById("ui_scale").value="7"; break; case "New York--Northern New Jersey--Long Island, NY--NJ--CT--PA": document.getElementById("ref").value="newyork"; document.getElementById("zone").value="18T"; document.getElementById("center_lat").value="40.74964121495"; document.getElementById("center_lng").value="-74.0269651892"; document.getElementById("ui_scale").value="7"; break; case "Norfolk--Virginia Beach--Newport News, VA--NC": document.getElementById("ref").value="norfolk"; document.getElementById("zone").value="18S"; document.getElementById("center_lat").value="36.8716328708"; document.getElementById("center_lng").value="-76.3806920214"; document.getElementById("ui_scale").value="7"; break; case "Philadelphia--Wilmington--Atlantic City, PA--NJ--DE--MD": document.getElementById("ref").value="philadelphia"; document.getElementById("zone").value="18S"; document.getElementById("center_lat").value="39.9812755799"; document.getElementById("center_lng").value="-75.132702532"; document.getElementById("ui_scale").value="7"; break; case "Phoenix--Mesa, AZ": document.getElementById("ref").value="pheonix"; document.getElementById("zone").value="12S"; document.getElementById("center_lat").value="33.5642897279"; document.getElementById("center_lng").value="-112.068626604"; document.getElementById("ui_scale").value="7"; break; case "Pittsburgh, PA": document.getElementById("ref").value="pittsburgh"; document.getElementById("zone").value="17T"; document.getElementById("center_lat").value="40.4611760018"; document.getElementById("center_lng").value="-79.9461555806"; document.getElementById("ui_scale").value="7"; break; case "Portland, ME": document.getElementById("ref").value="portland_me"; document.getElementById("zone").value="19T"; document.getElementById("center_lat").value="43.6695597101"; document.getElementById("center_lng").value="-70.3902262828"; document.getElementById("ui_scale").value="7"; break; case "Portland--Salem, OR--WA": document.getElementById("ref").value="portland_or"; document.getElementById("zone").value="10T"; document.getElementById("center_lat").value="45.539048401"; document.getElementById("center_lng").value="-122.608883024"; document.getElementById("ui_scale").value="7"; break; case "Providence--Fall River--Warwick, RI--MA": document.getElementById("ref").value="providence"; document.getElementById("zone").value="19T"; document.getElementById("center_lat").value="41.7825771815"; document.getElementById("center_lng").value="-71.3816128291"; document.getElementById("ui_scale").value="7"; break; case "Raleigh--Durham--Chapel Hill, NC": document.getElementById("ref").value="raleigh"; document.getElementById("zone").value="17S"; document.getElementById("center_lat").value="35.8773497639"; document.getElementById("center_lng").value="-78.8029353322"; document.getElementById("ui_scale").value="7"; break; case "Reading, PA": document.getElementById("ref").value="reading"; document.getElementById("zone").value="18T"; document.getElementById("center_lat").value="40.2743541019"; document.getElementById("center_lng").value="-75.9438480893"; document.getElementById("ui_scale").value="7"; break; case "Sacramento--Yolo, CA": document.getElementById("ref").value="sacramento"; document.getElementById("zone").value="10S"; document.getElementById("center_lat").value="38.5573089336"; document.getElementById("center_lng").value="-121.44423269"; document.getElementById("ui_scale").value="7"; break; case "Salt Lake City--Ogden, UT": document.getElementById("ref").value="saltlakecity"; document.getElementById("zone").value="12T"; document.getElementById("center_lat").value="40.7917767218"; document.getElementById("center_lng").value="-111.966708926"; document.getElementById("ui_scale").value="7"; break; case "San Diego, CA": document.getElementById("ref").value="sandiego"; document.getElementById("zone").value="11S"; document.getElementById("center_lat").value="32.9603872035"; document.getElementById("center_lng").value="-116.911703242"; document.getElementById("ui_scale").value="7"; break; case "San Francisco--Oakland--San Jose, CA": document.getElementById("ref").value="sanfrancisco"; document.getElementById("zone").value="10S"; document.getElementById("center_lat").value="37.7923101448"; document.getElementById("center_lng").value="-122.09714697"; document.getElementById("ui_scale").value="7"; break; case "Seattle--Tacoma--Bremerton, WA": document.getElementById("ref").value="seattle"; document.getElementById("zone").value="10T"; document.getElementById("center_lat").value="47.5207261988"; document.getElementById("center_lng").value="-122.26700404"; document.getElementById("ui_scale").value="7"; break; case "Stockton--Lodi, CA": document.getElementById("ref").value="stocton"; document.getElementById("zone").value="10S"; document.getElementById("center_lat").value="37.9350263042"; document.getElementById("center_lng").value="-121.306310905"; document.getElementById("ui_scale").value="7"; break; case "Syracuse, NY": document.getElementById("ref").value="syracruse"; document.getElementById("zone").value="18T"; document.getElementById("center_lat").value="43.0631362988"; document.getElementById("center_lng").value="-76.163761334"; document.getElementById("ui_scale").value="7"; break; case "Tampa--St. Petersburg--Clearwater, FL": document.getElementById("ref").value="tampa"; document.getElementById("zone").value="17R"; document.getElementById("center_lat").value="28.154"; document.getElementById("center_lng").value="-82.4526"; document.getElementById("ui_scale").value="7"; break; case "Washington--Baltimore, DC--MD--VA--WV": document.getElementById("ref").value="washington"; document.getElementById("zone").value="18S"; document.getElementById("center_lat").value="39.0664254804"; document.getElementById("center_lng").value="-76.8871408616"; document.getElementById("ui_scale").value="7"; break; case "West Palm Beach--Boca Raton, FL": document.getElementById("ref").value="westpalmbeach"; document.getElementById("zone").value="17R"; document.getElementById("center_lat").value="26.6236043147"; document.getElementById("center_lng").value="-80.3102587104"; document.getElementById("ui_scale").value="7"; break; case "St. Louis, MO--IL": document.getElementById("ref").value="stlouis"; document.getElementById("zone").value="15S"; document.getElementById("center_lat").value="38.6328"; document.getElementById("center_lng").value="-90.2785"; document.getElementById("ui_scale").value="7"; break; } } function getRegionZone() { var center_lng = document.getElementById("center_lng").value; var center_lat = document.getElementById("center_lat").value; var zone = document.getElementById("zone").value; xmlHttp=GetXmlHttpObject(); if (xmlHttp==null) { alert ("Browser does not support HTTP Request"); return; } var url="get_region_zone.php"; url=url+"?center_lng="+center_lng; url=url+"¢er_lat="+center_lat; url=url+"&zone="+zone; xmlHttp.open("GET",url,true); xmlHttp.onreadystatechange = function() { if (xmlHttp.readyState == 4) { var xmlDocument = xmlHttp.responseXML; var region = xmlDocument.getElementsByTagName("region").item(0); region = region.childNodes[0].nodeValue; var med_hh_income = xmlDocument.getElementsByTagName("med_hh_income").item(0); med_hh_income = med_hh_income.childNodes[0].nodeValue; var ave_hh_size = xmlDocument.getElementsByTagName("ave_hh_size").item(0); ave_hh_size = ave_hh_size.childNodes[0].nodeValue; var gas_pergal_00 = xmlDocument.getElementsByTagName("gas_pergal_00").item(0); gas_pergal_00 = gas_pergal_00.childNodes[0].nodeValue; var gas_pergal_08 = xmlDocument.getElementsByTagName("gas_pergal_08").item(0); gas_pergal_08 = gas_pergal_08.childNodes[0].nodeValue; var zone = xmlDocument.getElementsByTagName("zone").item(0); zone = zone.childNodes[0].nodeValue; if (region != 'none') { document.getElementById("region").value = region; setRegion(region); } else { document.getElementById("region").value = ""; } if (med_hh_income != 'none') { document.getElementById("med_hh_income").innerHTML = FormatCurrency(med_hh_income,0, false, false, true); } else { document.getElementById("med_hh_income").innerHTML = ""; } if (ave_hh_size != 'none') { document.getElementById("ave_hh_size").innerHTML = ave_hh_size; } else { document.getElementById("ave_hh_size").innerHTML = ""; } if (gas_pergal_00 != 'none') { document.getElementById("gas_pergal_00").innerHTML = FormatCurrency(gas_pergal_00, 2, true, false, true); } else { document.getElementById("gas_pergal_00").innerHTML = "********"; } if (gas_pergal_08 != 'none') { document.getElementById("gas_pergal_08").innerHTML = FormatCurrency(gas_pergal_08, 2, true, false, true); } else { document.getElementById("gas_pergal_08").innerHTML = "********"; } if (zone != 'none') { document.getElementById("zone").value = zone; } } } xmlHttp.send(null); } function getMap() { hourglass(); var scale = document.getElementById("ui_scale").value; if (scale=="") {scale=scale_default;} var center_lat = document.getElementById("center_lat").value; if (center_lat=="") {center_lat="";} var center_lng = document.getElementById("center_lng").value; if (center_lng=="") {center_lng="";} var pinpoint_lat = document.getElementById("ui_pinpoint_lat").value; if (pinpoint_lat=="") {pinpoint_lat="";} var pinpoint_lng = document.getElementById("ui_pinpoint_lng").value; if (pinpoint_lng=="") {pinpoint_lng="";} var pan_dir = document.getElementById("ui_pan").value; if (pan_dir=="") {pan_dir="";} var pixx = document.getElementById("ui_pixx").value; if (pixx=="") {pixx="";} var pixy = document.getElementById("ui_pixy").value; if (pixy=="") {pixy="";} var zone = document.getElementById("zone").value; if (zone=="") {zone="";} var layers = document.getElementById("layer").value; if (layers=="") {layers="";} var region = document.getElementById("region").value; if (region=="") {region="";} var ref = document.getElementById("ref").value; if (ref=="") {ref="";} var ref_minx = document.getElementById("ref_minx").value; if (ref_minx=="") {ref_minx="";} var ref_miny = document.getElementById("ref_miny").value; if (ref_miny=="") {ref_miny="";} var ref_maxx = document.getElementById("ref_maxx").value; if (ref_maxx=="") {ref_maxx="";} var ref_maxy = document.getElementById("ref_maxy").value; if (ref_maxy=="") {ref_maxy="";} var clat_min = document.getElementById("lat_min").value; var clat_max = document.getElementById("lat_max").value; var clng_min = document.getElementById("lng_min").value; var clng_max = document.getElementById("lng_max").value; var http = GetXmlHttpObject(); // We create the HTTP Object var url = "map_xml.php?scale=" + scale + "¢er_lat=" + center_lat + "¢er_lng=" + center_lng; if (pinpoint_lat && pinpoint_lng) { url = url + "&lat=" + pinpoint_lat + "&lng=" + pinpoint_lng; } if (pan_dir) { url = url + "&pan=" + pan_dir;} if (pixx && pixy) { url = url + "&pixx=" + pixx + "&pixy=" + pixy;} if (zone) { url = url + "&zone=" + zone;} if (layers) { url = url + "&layers=" + layers;} if (region) { url = url + "®ion=" + region;} if (ref) { url = url + "&ref=" + ref;} if (ref_minx) { url = url + "&ref_minx=" + ref_minx;} if (ref_miny) { url = url + "&ref_miny=" + ref_miny;} if (ref_maxx) { url = url + "&ref_maxx=" + ref_maxx;} if (ref_maxy) { url = url + "&ref_maxy=" + ref_maxy;} if (clat_min) { url = url + "&lat_min=" + clat_min;} if (clat_max) { url = url + "&lat_max=" + clat_max;} if (clng_min) { url = url + "&lng_min=" + clng_min;} if (clng_max) { url = url + "&lng_max=" + clng_max;} url = url + "&ms=" + new Date().getTime(); http.open("GET", url, true); http.onreadystatechange = function() { if (http.readyState == 4) { var xmlDocument = http.responseXML; // set map image var map = xmlDocument.getElementsByTagName("map").item(0); var mapHref = map.attributes[0].nodeValue; // set scalebar var scalebar = xmlDocument.getElementsByTagName("scalebar").item(0); var scalebarHref = scalebar.attributes[0].nodeValue; // set reference map var refmap = xmlDocument.getElementsByTagName("refmap").item(0); var refmapHref = refmap.attributes[0].nodeValue; // set legend var legend = xmlDocument.getElementsByTagName("legend").item(0); var legendHref = legend.attributes[0].nodeValue; // set scale var scale = xmlDocument.getElementsByTagName("scale").item(0); scale = scale.childNodes[0].nodeValue; // get center var center = xmlDocument.getElementsByTagName("center").item(0); // set center lat var center_lat = center.getElementsByTagName("lat").item(0); center_lat = center_lat.childNodes[0].nodeValue; // set center lng var center_lng = center.getElementsByTagName("lng").item(0); center_lng = center_lng.childNodes[0].nodeValue; // set min and max lat, min and max lng var edge = xmlDocument.getElementsByTagName("edge").item(0); if (edge.childNodes.length>2) { var lat_min = edge.childNodes[1].childNodes[1].childNodes[0].nodeValue; var lat_max = edge.childNodes[1].childNodes[3].childNodes[0].nodeValue; var lng_min = edge.childNodes[3].childNodes[1].childNodes[0].nodeValue; var lng_max = edge.childNodes[3].childNodes[3].childNodes[0].nodeValue; } else { var edge = xmlDocument.getElementsByTagName("edge").item(0); var lat_min = edge.childNodes[0].childNodes[0].childNodes[0].nodeValue; var lat_max = edge.childNodes[0].childNodes[1].childNodes[0].nodeValue; var lng_min = edge.childNodes[1].childNodes[0].childNodes[0].nodeValue; var lng_max = edge.childNodes[1].childNodes[1].childNodes[0].nodeValue; } // get pinpoint var pinpoint = xmlDocument.getElementsByTagName("pinpoint").item(0); if (pinpoint) { // set pinpoint lat var pinpoint_lat = pinpoint.getElementsByTagName("lat").item(0); pinpoint_lat = pinpoint_lat.childNodes[0].nodeValue; // set pinpoint lng var pinpoint_lng = pinpoint.getElementsByTagName("lng").item(0); pinpoint_lng = pinpoint_lng.childNodes[0].nodeValue; } else { var pinpoint_lat = ""; var pinpoint_lng = ""; } // do something good with those values var mapImage = document.getElementById("map-image"); mapImage.innerHTML=""; // mapImage.style.backgroundImage= "url(" + mapHref + ")"; var scalebarImage = document.getElementById("scalebar"); scalebarImage.style.backgroundImage="url(" + scalebarHref + ")"; var refmapImage = document.getElementById("refmap"); refmapImage.innerHTML=""; // refmapImage.style.backgroundImage="url(" + refmapHref + ")"; var scaleval = document.getElementById("ui_scale"); scaleval.value = scale; var latval = document.getElementById("center_lat"); latval.value = center_lat; var lngval = document.getElementById("center_lng"); lngval.value = center_lng; var pinpoint_latval = document.getElementById("ui_pinpoint_lat"); pinpoint_latval.value = pinpoint_lat; var pinpoint_lngval = document.getElementById("ui_pinpoint_lng"); pinpoint_lngval.value = pinpoint_lng; var pan = document.getElementById("ui_pan"); pan.value = ""; var region = xmlDocument.getElementsByTagName("region").item(0); region = region.childNodes[0].nodeValue; var med_hh_income = xmlDocument.getElementsByTagName("med_hh_income").item(0); med_hh_income = med_hh_income.childNodes[0].nodeValue; var ave_hh_size = xmlDocument.getElementsByTagName("ave_hh_size").item(0); ave_hh_size = ave_hh_size.childNodes[0].nodeValue; var gas_pergal_00 = xmlDocument.getElementsByTagName("gas_pergal_00").item(0); gas_pergal_00 = gas_pergal_00.childNodes[0].nodeValue; var gas_pergal_08 = xmlDocument.getElementsByTagName("gas_pergal_08").item(0); gas_pergal_08 = gas_pergal_08.childNodes[0].nodeValue; var zone = xmlDocument.getElementsByTagName("zone").item(0); zone = zone.childNodes[0].nodeValue; var ref_minx = xmlDocument.getElementsByTagName("ref_minx").item(0); ref_minx = ref_minx.childNodes[0].nodeValue; var ref_miny = xmlDocument.getElementsByTagName("ref_miny").item(0); ref_miny = ref_miny.childNodes[0].nodeValue; var ref_maxx = xmlDocument.getElementsByTagName("ref_maxx").item(0); ref_maxx = ref_maxx.childNodes[0].nodeValue; var ref_maxy = xmlDocument.getElementsByTagName("ref_maxy").item(0); ref_maxy = ref_maxy.childNodes[0].nodeValue; var ref = xmlDocument.getElementsByTagName("ref").item(0); ref = ref.childNodes[0].nodeValue; document.getElementById("lat_min").value = lat_min; document.getElementById("lat_max").value = lat_max; document.getElementById("lng_min").value = lng_min; document.getElementById("lng_max").value = lng_max; if (region != 'none') { document.getElementById("region").value = region; } else { document.getElementById("region").value = ""; } if (med_hh_income != 'none') { document.getElementById("med_hh_income").innerHTML = FormatCurrency(med_hh_income,0, false, false, true); } else { document.getElementById("med_hh_income").innerHTML = ""; } if (ave_hh_size != 'none') { document.getElementById("ave_hh_size").innerHTML = ave_hh_size; } else { document.getElementById("ave_hh_size").innerHTML = ""; } if (gas_pergal_00 != 'none') { document.getElementById("gas_pergal_00").innerHTML = FormatCurrency(gas_pergal_00, 2, true, false, true); } else { document.getElementById("gas_pergal_00").innerHTML = "********"; } if (gas_pergal_08 != 'none') { document.getElementById("gas_pergal_08").innerHTML = FormatCurrency(gas_pergal_08, 2, true, false, true); } else { document.getElementById("gas_pergal_08").innerHTML = "********"; } if (zone != 'none') { document.getElementById("zone").value = zone; } repositionMap(); setActiveScale(scale); hourglass('stop'); closeIdentify(); } } http.send(null); } function getLegend() { hourglass(); var httpLegend = GetXmlHttpObject(); // We create the HTTP Object var scale = document.getElementById("ui_scale").value; if (scale=="") {scale=scale_default;} var lat = document.getElementById("center_lat").value; if (lat=="") {lat="";} var lng = document.getElementById("center_lng").value; if (lng=="") {lng="";} var layers = document.getElementById("layer").value; if (layers=="") {layers="";} var url = "map_legend.php?scale=" + scale + "&lat=" + lat + "&lng=" + lng + "&layers=" + layers + "&ms=" + new Date().getTime(); httpLegend.open("GET", url, true); httpLegend.onreadystatechange = function() { if (httpLegend.readyState == 4) { var DivElement = document.getElementById("legend"); var table_start = ''; var table_end = '
'; DivElement.innerHTML = table_start + httpLegend.responseText + table_end; hourglass('stop'); } } httpLegend.send(null); } function setActiveScale(scale) { for (i=1;i<9;i++) { document.getElementById("z" + i).parentNode.className = "z"; } var activescale = document.getElementById("z" + scale); activescale.parentNode.className="za"; } function toggleThemeLinks(i) { var alink = ""; var ilink = "theme-" + i; for (n=0;n<=2;n=n+1) { alink = "theme-" + n; document.getElementById(alink).className='t-active'; } document.getElementById(ilink).className='t-inactive'; } function GetXmlHttpObject() { var objXMLHttp=null; if (window.XMLHttpRequest) { objXMLHttp=new XMLHttpRequest(); } else if (window.ActiveXObject) { objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP"); } return objXMLHttp; } function FormatCurrency(num,decimalNum,bolLeadingZero,bolParens,bolCommas) /********************************************************************** IN: NUM - the number to format decimalNum - the number of decimal places to format the number to bolLeadingZero - true / false - display a leading zero for numbers between -1 and 1 bolParens - true / false - use parenthesis around negative numbers bolCommas - put commas as number separators. RETVAL: The formatted number! **********************************************************************/ { var tmpStr = new String(FormatNumber(num,decimalNum,bolLeadingZero,bolParens,bolCommas)); if (tmpStr.indexOf("(") != -1 || tmpStr.indexOf("-") != -1) { // We know we have a negative number, so place '$' inside of '(' / after '-' if (tmpStr.charAt(0) == "(") tmpStr = "($" + tmpStr.substring(1,tmpStr.length); else if (tmpStr.charAt(0) == "-") tmpStr = "-$" + tmpStr.substring(1,tmpStr.length); return tmpStr; } else return "$" + tmpStr; // Return formatted string! } function FormatNumber(num, decimalNum, bolLeadingZero, bolParens, bolCommas, trailDecimal, prefix) { /********************************************************************** Original by www.4guysfromrolla.com, modify by www.developerutility.com IN: NUM - the number to format decimalNum - the number of decimal places to format the number to bolLeadingZero - true / false - display a leading zero for numbers between -1 and 1 bolParens - true / false - use parenthesis around negative numbers bolCommas - put commas as number separators trailDecimal - number of decimal show prefix - symbol to add with formating **********************************************************************/ if (!trailDecimal) { var trailDecimal = decimalNum; } if (!prefix) { var prefix = ''; } if (isNaN(parseInt(num))) return "NaN"; var tmpNum = num; var iSign = num < 0 ? -1 : 1; // Get sign of number // Adjust number so only the specified number of numbers after the decimal point are shown tmpNum *= Math.pow(10,decimalNum); tmpNum = Math.round(Math.abs(tmpNum)) tmpNum /= Math.pow(10,decimalNum); tmpNum *= iSign; // Readjust for sign // Add digit value tmpNum = tmpNum.toFixed(trailDecimal); // Create a string object to do our formatting on var tmpNumStr = new String(tmpNum); // See if we need to strip out the leading zero or not. if (!bolLeadingZero && num < 1 && num > -1 && num != 0) if (num > 0) { tmpNumStr = tmpNumStr.substring(1,tmpNumStr.length); } else { tmpNumStr = "-" + tmpNumStr.substring(2,tmpNumStr.length); } // See if we need to put in the commas if (bolCommas && (num >= 1000 || num <= -1000)) { var iStart = tmpNumStr.indexOf("."); if (iStart < 0) { iStart = tmpNumStr.length; } iStart -= 3; while (iStart >= 1) { tmpNumStr = tmpNumStr.substring(0,iStart) + "," + tmpNumStr.substring(iStart,tmpNumStr.length); iStart -= 3; } } // See if we need to use parenthesis if (bolParens && num < 0) { tmpNumStr = "(" + tmpNumStr.substring(1,tmpNumStr.length) + ")"; } // Add prefix if(prefix.length > 0) { tmpNumStr = prefix + tmpNumStr; } return tmpNumStr; }