var xmlHttp; 
			var requestURL // = 'http://iis-test01/Reading_OccurrenceReporting/admin/security/User_List.aspx?q='; 
			var is_ie = (navigator.userAgent.indexOf('MSIE') >= 0) ? 1 : 0; 
			var is_ie5 = (navigator.appVersion.indexOf("MSIE 5.5")!=-1) ? 1 : 0; 
			var is_opera = ((navigator.userAgent.indexOf("Opera6")!=-1)||(navigator.userAgent.indexOf("Opera/6")!=-1)) ? 1 : 0; 
			var is_netscape = (navigator.userAgent.indexOf('Netscape') >= 0) ? 1 : 0; 	//netscape, safari, mozilla behave the same??? 
			
			var divObj

			// the Called URL
			function setRequestURL(url) {
				requestURL = url ;
			}

			// the Response Div
			function setDiv(divId) {
				divObj = document.getElementById(divId);
			}

			function show_data(strName){ 
				if (strName.length > 0){ 
					//Append the name to search for to the requestURL 
					var url = requestURL + strName; 
					//alert(url)
					//Create the xmlHttp object to use in the request 
					//stateChangeHandler will fire when the state has changed, i.e. data is received back 
					// This is non-blocking (asynchronous) 
					xmlHttp = GetXmlHttpObject(stateChangeHandler); 
		             
					//Send the xmlHttp get to the specified url 
					xmlHttp_Get(xmlHttp, url); 
				} 
				else { 
					//Search Textbox blanked out, clear the results 
					//document.getElementById('nameList').innerHTML = ''; 
				} 
			} 

			//stateChangeHandler will fire when the state has changed, i.e. data is received back 
			// This is non-blocking (asynchronous) 
			function stateChangeHandler() 
			{ 
				//readyState of 4 or 'complete' represents that data has been returned 
				if (xmlHttp.readyState == 4 || xmlHttp.readyState == 'complete'){ 
					//Gather the results from the callback 
					var str = xmlHttp.responseText; 
					//Populate the innerHTML of the div with the results 
					if (divObj != null) {
						divObj.innerHTML = str ;
					}
				} 
			} 

			// XMLHttp send GET request 
			function xmlHttp_Get(xmlhttp, url) { 
				xmlhttp.open('GET', url, true); 
				xmlhttp.send(null); 
			} 

			function GetXmlHttpObject(handler) { 
				var objXmlHttp = null;    //Holds the local xmlHTTP object instance 

				//Depending on the browser, try to create the xmlHttp object 
				if (is_ie){ 
					//The object to create depends on version of IE 
					//If it isn't ie5, then default to the Msxml2.XMLHTTP object 
					var strObjName = (is_ie5) ? 'Microsoft.XMLHTTP' : 'Msxml2.XMLHTTP'; 
		             
					//Attempt to create the object 
					try{ 
						objXmlHttp = new ActiveXObject(strObjName); 
						objXmlHttp.onreadystatechange = handler; 
					} 
					catch(e){ 
					//Object creation errored 
						alert('IE detected, but object could not be created. Verify that active scripting and activeX controls are enabled'); 
						return; 
					} 
				} 
				else if (is_opera){ 
					//Opera has some issues with xmlHttp object functionality 
					alert('Opera detected. The page may not behave as expected.'); 
					return; 
				} 
				else{ 
					// Mozilla | Netscape | Safari 
					objXmlHttp = new XMLHttpRequest(); 
					objXmlHttp.onload = handler; 
					objXmlHttp.onerror = handler; 
				} 
		         
				//Return the instantiated object 
				return objXmlHttp; 
			} 

			function getData(theVal){ 
				show_data(theVal);
			}