function getPage(page,pageUrl,zone,vocation,keyword)			//根据分页记录
		{			
			var xmlHttp;					
			try				//获取XMLHttpRequest
			{    // Firefox, Opera 8.0+, Safari    
				xmlHttp=new XMLHttpRequest();				
			}
			catch (e)
			{    // Internet Explorer    
				try
				{
					xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");					
				}
				catch (e)
				{
					try
					{
						xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");						
					}
					catch (e)
					{
						alert("Your browser does not support AJAX!");					
					}
				}
			}
			var url;									
			url = pageUrl+"?page="+page+"&zone="+zone+"&vocation="+vocation+"&keyword="+keyword;				
			xmlHttp.onreadystatechange=function()
			{
				if(xmlHttp.readyState==4)
				{								
					document.getElementById("trLoading").style.display = "none";
					document.getElementById("trPageContainer").style.display = "inline";						
					document.getElementById("pageContainer").innerHTML=xmlHttp.responseText;										
				}
			}			
			
			xmlHttp.open("GET",url,true);
						
			document.getElementById("trLoading").style.display = "inline";
			document.getElementById("trPageContainer").style.display = "none";
			xmlHttp.send(null);
			
		}			
		function pageGoto(totalPage,pageUrl,zone,vocation,keyword)
		{
			var page = Trim(document.getElementById("PageNo").value);
			if(page=="")
			{
				alert("请输入页码！");
				document.getElementById('PageNo').focus();
				return;
			}
			if(!IsNumber(page))
			{
				alert("页码必须为数字！");
				document.getElementById('PageNo').focus();
				return;
			}
			if(parseInt(page)>totalPage)
			{
				alert("页码范围错误!");
				document.getElementById('PageNo').focus();
				return;
			}
			getPage(page,pageUrl,zone,vocation,keyword);			
		}
		/**删除字符串中的空格*/
		function Trim(sText) 
		{ 
		    return sText.replace(new RegExp("(^[\\s]*)|([\\s]*$)", "g"), ""); 
		}
		/*判断是否数字*/
		function IsNumber(str)
		{
		  var pattern = /^[0-9]+$/g;
		  return pattern.test(str);
		}
		//关键词输入框获取焦点
		function keywordFocus(value){
			if(value=="请输入关键词"){
				document.getElementById("keyword").value = "";
			}
		}
		//关键词输入框失去焦点
		function keywordBlur(value){
			if(Trim(value)==""){
				document.getElementById("keyword").value = "请输入关键词";
			}
		}
		//搜索
		function doSearch(){
			var zone = document.getElementById("zone").value;
			var vocation = document.getElementById("vocation").value;
			var keyword = document.getElementById("keyword").value;
			getPage(1,"unionStore_getPage.union",zone,vocation,keyword)			//根据分页记录
		}