String.prototype.trim=function(){return this.replace(/(^[\s]*)|([\s]*$)/g,"");}
	function submitSearch(){
		var objF=document.getElementById("form1");
		var objKey=document.getElementById("txtkey");
		if (objKey.value.trim() ==""){
			alert("请输入关键字");
			objKey.focus();
			return ;
		}
		objF.submit();
	}

function checkcpse1(){
if (form1.key.value ==""){
alert("请输入关键字");
form1.key.focus();
return false;
}
form1.id.value="0-0-0-0-1-"+form1.key.value;
//form1.id.value=form1.sort1.value+"-"+form1.sort2.value+"-"+form1.sort3.value+"-"+form1.sort4.value+"-1-"+form1.key.value;
return true;
}
function checknewse(){
if (form1.key.value ==""){
alert("请输入关键字");
form1.key.focus();
return false;
}
form1.id.value=form1.column.value+"-1-"+form1.key.value;
return true;
}

function topttbgs1(tid,nid)
{
var rb1 = document.getElementById("Layer"+tid);
var rb2 = document.getElementById("toptt"+nid);
rb1.style.display='';
rb2.style.background='url(images/toptitlebg3.gif) no-repeat';
}
function topttbgs2(tid2,nid2,sid2)
{
var rb21 = document.getElementById("Layer"+tid2);
var rb22 = document.getElementById("toptt"+nid2);
rb21.style.display='none';
if(sid2 == "1"){rb22.style.background='url(images/toptitlebg1.gif) no-repeat';}
else{rb22.style.background='url(images/toptitlebg2.gif) no-repeat';}
}
function topttbgs3(tid3)
{
var rb31 = document.getElementById("toptt"+tid3);
rb31.style.background='url(images/toptitlebg3.gif) no-repeat';
}
function topttbgs4(nid4,sid4)
{
var rb41 = document.getElementById("toptt"+nid4);
if(sid4 == "1"){rb41.style.background='url(images/toptitlebg1.gif) no-repeat';}
else{rb41.style.background='url(images/toptitlebg2.gif) no-repeat';}
}

function checkTelNum(num)
{
	if(testit(num)||checkphone(num)||checkMobile(num))
	{
		return true;
	}
	return false;
}

function testit(val){ 
	var filter=/^(([0\+]\d{2,3}-)?(0\d{2,3})-)?(\d{7,8})(-(\d{3,}))?$/;
	return filter.test(val); 
}

function checkphone(val)
{
	var filter=/^(([0\+]\d{2,3}-)?(0\d{2,3}))?(\d{7,8})(-(\d{3,}))?$/;
	return filter.test(val);
}

function checkMobile(val)
{
	var filter=/^(((1[0-9]{1}[0-9]{1}))+\d{8})$/;
	return filter.test(val);
}
function $(id)
{
		return document.getElementById(id);
}
function checkForm(){
if($("username").value.trim() ==""){alert("请输入姓名");$("username").focus();return false;}
var telnum=$("txtTel").value.trim();
if(telnum==""){alert("请输入电话");$("txtTel").focus();return false;}
if(telnum!=""&&!checkTelNum(telnum)){alert("电话号码格式错误");$("txtTel").focus();return false;}
if($("txtContent").value.trim()==""){alert("请输入留言内容");$("txtContent").focus();return false;}
if ($("validCode").value ==""){alert("请输入验证码");$("validCode").focus();return false;}
return true;
}
 function reFresh()
  {
  	document.getElementById("imgValidCode").src="/function/verifycode.asp";
  }