function Find()
{
	var self = this;

	// properties
	this.XmlReqFind;
	
	// methods
	this.findLayer = findLayer;
	this.parcelSearch = parcelSearch;
	this.processFeatureSearch = processFeatureSearch;
	this.zoomLatLong = zoomLatLong;
	this.findAddress = findAddress;
	this.processGeocodeSearch = processGeocodeSearch;
	this.zoomAddAcetate = zoomAddAcetate;
	
	function findLayer()
	{
		// go into "tblFindFeature" to get each field namd and value.
		// build string to send to web service
		var table = document.getElementById("tblFindFeature");
		var rows = table.getElementsByTagName("tr");
		var findStr = "";
		
		
		
		for( var i = 0; i < rows.length; i++ )
		{
			var rowName = rows[i];
			var cells = rows[i].getElementsByTagName("td");
			var nameCell = cells[0];
			var rowValue = document.getElementById("findLayer" + i);
			var rowValueMax = document.getElementById("findLayer" + i + "_max");
			
			// remove ":" from rowName
			//rowName = rowName.innerText.substr(0, rowName.innerText.lastIndexOf(':'));
			
			rowName = "" + nameCell.id;
			rowName = rowName.substr(11,rowName.length-11);
			
			if(null == rowValueMax && rowName != '' && rowValue.value != '' ){
				findStr += rowName + "," + rowValue.value + "|";
			}else if(null != rowValueMax && rowName != '' && (rowValue.value != '' || rowValueMax.value != '')){
				var valMin = (null == rowValue) ? '' : rowValue.value;
				var valMax = (null == rowValueMax) ? '' : rowValueMax.value;
				
				findStr += rowName + "," + valMin + "," + valMax + "|";
			}
		}
		
		findStr = findStr.substr(0, findStr.lastIndexOf('|'));
		
		var layerId = document.getElementById("selectSearchLayer").value;
		url = server + "FindService.asmx/FindLayer?layerId=" + layerId + "&values=" + findStr + "&userGroupName=" + user.userGroupName;
		
		self.XmlReqFind = new TXmlHttp();
		
		if(self.XmlReqFind)
		{
			self.XmlReqFind.onreadystatechange = processFeatureSearch;
			self.XmlReqFind.open("GET", url, true); //async call
			self.XmlReqFind.send(null);
		}
	}
	
	function parcelSearch()
	{
		showLoading();
		
		// take values from html form and send request to IMS for parcels
		/*
		var parcelSearchFirstName = document.getElementById("parcelSearchFirstName").value;
		var parcelSearchLastName = document.getElementById("parcelSearchLastName").value;
		var parcelSearchHouseNo = document.getElementById("parcelSearchHouseNo").value;
		var parcelSearchStreet = document.getElementById("parcelSearchStreet").value;
		var parcelSearchDr = document.getElementById("parcelSearchDr").value;
		var parcelSearchParcelId1 = document.getElementById("parcelSearchParcelId").value;
		var parcelSearchParcelId2 = document.getElementById("parcelSearchParcelId2").value;
		var parcelSearchParcelId3 = document.getElementById("parcelSearchParcelId3").value;
		var parcelSearchParcelId4 = document.getElementById("parcelSearchParcelId4").value;
		*/
		var parcelSearchTaxId = document.getElementById("parcelSearchTaxId").value;

		url = server + "FindService.asmx/ParcelSearch?userGroupName=" + user.userGroupName + "&taxId=" + parcelSearchTaxId;
		
		self.XmlReqFind = new TXmlHttp();
		
		if(self.XmlReqFind)
		{
			self.XmlReqFind.onreadystatechange = processFeatureSearch;
			self.XmlReqFind.open("GET", url, true); //async call
			self.XmlReqFind.send(null);
		}
	}
	
	function processFeatureSearch()
	{
		showLoading();
		var objectIds = new Array();
		
		if( self.XmlReqFind.readyState == 4 )
		{
			if( self.XmlReqFind.status == 200 )
			{
				// parse response and place data into html table
				var resultTable = document.getElementById("divResultsList");
				document.getElementById("subTabResultsList").innerHTML = "Search Results";
				resultTable.innerHTML = "";
				var response = self.XmlReqFind.responseXML.documentElement;
				var features = response.getElementsByTagName('FEATURES');
				var featureID = "";
				var html = "";
				
					// get request specific top level values (layer, layerHyperlink, response feature count, hasMore features)
				var layer = features[0].attributes.getNamedItem('layer').value;
				var layerHyperlink = features[0].attributes.getNamedItem('hyperlink').value;
				var count = features[0].attributes.getNamedItem('count').value;
				var hasMore = features[0].attributes.getNamedItem('hasmore').value;
				
				if( count == 0 )
					spnResultsInfo.innerHTML = "No Results Found";
				else if( count == 1 )
					spnResultsInfo.innerHTML = "1 Result Found";
				else
					spnResultsInfo.innerHTML = count + " Results Found";
				
				// looks at FEATURES elements
				for( var i = 0; i < features.length; i++ )
				{
					// looks at FEATURE elements
					for( var x = 0; x < features[i].childNodes.length; x++ )
					{

						if( features[i].childNodes[x].nodeName == 'FEATURE' )
						{
							var fieldCount = 0;
							var minx = "", miny = "", maxx = "", maxy = "";
								
							// get feature specific top level values (uniqueName, uniqueValue, primaryDisplay)
							var uniqueName = features[i].childNodes[x].attributes.getNamedItem('uniquename').value;
							var uniqueValue = features[i].childNodes[x].attributes.getNamedItem('uniquevalue').value;
							var pdisplay = features[i].childNodes[x].attributes.getNamedItem('pdisplay').value;
							
							objectIds.push(uniqueValue);
							
							// for parcels, need to add 1 to this value
							var totalFieldsInFeature = features[i].childNodes[x].attributes.getNamedItem('fields').value;
							
							for( var y = 0; y < features[i].childNodes[x].childNodes.length; y++ )
							{
								if( features[i].childNodes[x].childNodes[y].nodeName == 'ENVELOPE' )
								{
									// get envelope information
									minx = features[i].childNodes[x].childNodes[y].attributes.getNamedItem('minx').value;
									miny = features[i].childNodes[x].childNodes[y].attributes.getNamedItem('miny').value;
									maxx = features[i].childNodes[x].childNodes[y].attributes.getNamedItem('maxx').value;
									maxy = features[i].childNodes[x].childNodes[y].attributes.getNamedItem('maxy').value;
									
									// setup primary display field in HTML
									featureID = "feature" + x;
									className = "fieldPrimary";
							
									
									html = "<table width=\"100%\" id=\"tblSearchResults" + featureID +"\" cellspacing=\"0\" cellpadding=\"2\" style=\"margin-top:5px;\">";
									html += "<tr id=\"" + featureID + "\" class=\"" + className + "\">";
									html += "<td><img id=\"" + featureID + "img\" class=\"collapseImage\" src=\"images/plus.gif\" onmousedown=\"collapseFeatureData('" + featureID + "'," + totalFieldsInFeature + ",'tblSearchResults');\" />";
									
									if( pdisplay != '' )
										html += layer + ": " + pdisplay + "</td>";
									else
										html += layer + ": " + uniqueValue + "</td>";
									
									html += "<td align=\"right\">";
									
									if( layer == 'Tax Parcels' )
										html += "<img class=\"featureImage\" src=\"images/adjoiners.gif\" onmousedown=\"spatialFilter.getAdjoiningFeatures('" + uniqueValue + "', 'feet', 1, 'Tax Parcels', 'Tax Parcels');\" alt=\"Get Adjoining Parcels\" />";
									
									html += "<img class=\"featureImage\" src=\"images/feature_zoom_to.gif\" onmousedown=\"map.zoomToFeature('" + minx + "', '" + miny + "', '" + maxx + "', '" + maxy + "');\" alt=\"Zoom to Feature\" />";
									//html += "<img class=\"featureImage\" src=\"images/feature_report.gif\" alt=\"Feature Details\" onmousedown=\"feature.getFeatureDetails('" + layer + "','" + uniqueValue + "');\"/>";
									//html += "<img class=\"featureImage\" class=\"featureImage\" src=\"images/buffer.gif\" alt=\"Buffer Select\" onmousedown=\"activateTab('tabInformation');document.getElementById('trInformationInfo').style.display='none';document.getElementById('divBuffer').style.display='block';document.getElementById('divInformationList').style.display='none';document.getElementById('divInformationMessage').style.display='none';document.getElementById('divResultsList').style.display='none';\" />";
									html += "</td></tr>";
								}
								else if( features[i].childNodes[x].childNodes[y].nodeName == 'FIELDGROUP' )
								{
									var fieldGroupName = features[i].childNodes[x].childNodes[y].attributes.getNamedItem('name').value;
									var fieldGroupHyperlink = features[i].childNodes[x].childNodes[y].attributes.getNamedItem('hyperlink').value; 
									
									// looks at FIELD elements
									html += "<tbody id=\"" + featureID + "tbody\"style=\"display:none;\">";
									for( var z = 0; z < features[i].childNodes[x].childNodes[y].childNodes.length; z++ )
									{
										if( features[i].childNodes[x].childNodes[y].childNodes[z].nodeName == 'FIELD' )
										{
											var fieldName = features[i].childNodes[x].childNodes[y].childNodes[z].attributes.getNamedItem('name').value;
											var fieldAlias = features[i].childNodes[x].childNodes[y].childNodes[z].attributes.getNamedItem('alias').value;
											var fieldNameHyperlink = features[i].childNodes[x].childNodes[y].childNodes[z].attributes.getNamedItem('namehyperlink').value;
											var fieldValue = features[i].childNodes[x].childNodes[y].childNodes[z].attributes.getNamedItem('value').value;
											var fieldValueHyperlink = features[i].childNodes[x].childNodes[y].childNodes[z].attributes.getNamedItem('valuehyperlink').value;
											
											// add each field to the HTML
											className = (fieldCount % 2 == 1)?"Odd":"Even";
											featureID = "feature" + x + "field" + fieldCount;

											html += "<tr>";
											
											// add field name (alias)
											if( fieldNameHyperlink != "" )
											{
												html += "<td class=\"field" + className + "\">";
												html += "<a class=\"fieldLink\" href=\"" + fieldNameHyperlink + "\" target=\"_new\">";
												html += fieldAlias + "</a></td>";
											}
											else
												html += "<td class=\"field" + className + "\">" + fieldAlias + "</td>";
											
											// add field value
											if( fieldValue != null )
											{
												// check for hyperlink!
												if( fieldValueHyperlink != "" )
												{
													html += "<td class=\"fieldValue" + className + "\">";
													html += "<a class=\"fieldLink\" href=\"" + fieldValueHyperlink + "\" target=\"_new\">";
													html += fieldValue + "</a></td>";
												}
												else
													html += "<td class=\"fieldValue" + className + "\">" + fieldValue + "</a></td>";
											}
											else
												html += "<td></td>";
											
											fieldCount++;
										}
									}
								}
							}
							html += "</tbody></tr></table>";
							resultTable.innerHTML += html;
						}
						
					}		
					
				}
				if(objectIds.length > 0)
				{	
					var spanHtml = "<br/><span class=\"trInfo\" style=\"font-size:11px\">Export feature data to Excel </span><a href=\"feature_csv.aspx?objectId=";
					for( var n in objectIds)
					{
						spanHtml += objectIds[n] + ",";
					}

					spanHtml += "&layer=" + layer + "&reportType=Short Report&userGroupName=" + user.userGroupName + "\" target=\"_new\" border=\"0\"><img src=\"images/excel.gif\" alt=\"Export to Excel\" border=\"0\" /></a>";
					spnResultsInfo.innerHTML += spanHtml;
				}					
				
				activateTab("tabResults");
				trResultsInfo.style.display='block';
				trDetailsInfo.style.display='none';
				divResultsList.style.display='block';
				divDetailsList.style.display='none';
				subTabResultsList.className='subTabActive';
				subTabDetailsList.className='subTabNormal';
				
				// disable loading div
				loading.style.visibility = "hidden";
				
				if( hasMore == 'True' )
					alert("This search returned more than the number of features allowed.  Please refine your search for more detailed results.");
			}
		}
	}
	
	function zoomLatLong(lat, lng)
	{
		var arr = new Array();
		arr[0] = calcLCCSP83(map.Projection, lat, Math.abs(lng))["east"];
		arr[1] = calcLCCSP83(map.Projection, lat, Math.abs(lng))["north"];
		
		//Convert meters to feet.  this should be expanded to be controlled by the map.units property
		arr[0] = convertDistanceUnits(arr[0], 'METERS', map.Units);
		arr[1] = convertDistanceUnits(arr[1], 'METERS', map.Units);
				
		minX = arr[0] - zoomTolerance;
		minY = arr[1] - zoomTolerance;
		maxX = arr[0] + parseFloat(zoomTolerance);
		maxY = arr[1] + parseFloat(zoomTolerance);
		
		map.getMap("ZOOMIN", minX, minY, maxX, maxY, true);
	}
	
	function findAddress(address, crossStreet)
	{
		url = server + "FindService.asmx/GetGeocode?address=" + address + "&crossStreet=" + crossStreet;
		
		self.XmlReqFind = new TXmlHttp();
		
		if(self.XmlReqFind)
		{
			self.XmlReqFind.onreadystatechange = processGeocodeSearch;
			self.XmlReqFind.open("GET", url, true); //async call
			self.XmlReqFind.send(null);
		}			
	}
	
	function processGeocodeSearch()
	{
		showLoading();
		
		if( self.XmlReqFind.readyState == 4 )
		{
			if( self.XmlReqFind.status == 200 )
			{
				var resultTable = document.getElementById("divResultsList");
				resultTable.innerHTML = "";
				
				var response = self.XmlReqFind.responseXML.documentElement;
				var features = response.getElementsByTagName('GCFEATURES');
				var featureID = "";
				var html = "";	
				
				var count = features[0].attributes.getNamedItem('count').value;
				
				if( count == 0 )
					spnResultsInfo.innerHTML = "No Features Found";
				else if( count == 1 )
					spnResultsInfo.innerHTML = "1 Feature Found";
				else
					spnResultsInfo.innerHTML = count + " Features Found";
					
					
				for( var i = 0; i < features.length; i++ )
				{
					// looks at FEATURE elements
					for( var x = 0; x < features[i].childNodes.length; x++ )
					{
						
						if( features[i].childNodes[x].nodeName == 'GCFEATURE' )
						{
							var score = features[i].childNodes[x].attributes.getNamedItem('score').value;
							var addressFound = features[i].childNodes[x].attributes.getNamedItem('addressfound').value;
							var xval = features[i].childNodes[x].attributes.getNamedItem('xval').value;
							var yval = features[i].childNodes[x].attributes.getNamedItem('yval').value;
							html += "<table width=\"100%\" id=\"tblSearchResults" + xval + yval +"\" cellspacing=\"0\" cellpadding=\"2\" style=\"margin-top:5px;\">";
							html += "<tr class=\"fieldPrimary\"><td align=\"left\">" + addressFound + "</td>";
							html += "<td align=\"right\"><img class=\"featureImage\" src=\"images/feature_zoom_to.gif\" onmousedown=\"find.zoomAddAcetate('" + addressFound + "', '" + xval + "', '" + yval + "', '" + xval + "', '" + yval + "');\" alt=\"Zoom to Feature\" /></td></tr>";
							
							
						}
					}
					html +="</table>";	
					resultTable.innerHTML += html;	
				}
			}
		}
		activateTab("tabResults");
		trResultsInfo.style.display='block';
		trDetailsInfo.style.display='none';
		divResultsList.style.display='block';
		divDetailsList.style.display='none';
		subTabResultsList.className='subTabActive';
		subTabDetailsList.className='subTabNormal';
		
		loading.style.visibility = "hidden";
	}
	
	function zoomAddAcetate(label, x, y)
	{
		var point = new Point();
		point.setLabel(label);
		point.setX(x);
		point.setY(y);
		map.AcetatePoints.push(point);
		map.zoomToFeature(x, y, x, y);
	}
}