function check0(){
if (document.myform0.keyword.value==""){
alert("请输入搜索的关键字");
document.myform0.keyword.focus();
return false;
}
}

function check1(){
if (document.myform1.keyword.value==""){
alert("请输入搜索的关键字");
document.myform1.keyword.focus();
return false;
}
}

function check2(){
if (document.myform2.keyword.value==""){
alert("请输入搜索的关键字");
document.myform2.keyword.focus();
return false;
}
}

function lcheck(){
if (document.lform.UserID.value==""){
alert("用户名不能为空！");
document.lform.UserID.focus();
return false;
}
if (document.lform.UserPWD.value==""){
alert("密码不能为空！");
document.lform.UserPWD.focus();
return false;
}
if (document.lform.checkcode.value==""){
alert("验证码不能为空！");
document.lform.checkcode.focus();
return false;
}
}

function W_open(theurl,thename,Par){
  window.open(theurl,thename,par);
}


function feedback(){
if (document.feed.comment.value==""){
alert("请输入意见或建议的内容！");
document.feed.comment.focus();
return false;
}
if(!checkmail(document.feed.sender_email.value)){
alert("请输入您的电子邮箱地址！");
document.feed.sender_email.focus();
return false;
}
}
//邮箱验证函数
function checkmail(email)
{
if (email=="" )
return false;


	invalidChars = " /:"

	if (email == "") {
		return (false);
	}

	for (i=0; i < invalidChars.length; i++) {
		badChar = invalidChars.charAt(i)
		if (email.indexOf(badChar,0) != -1) {
			return (false);
		}
	}

	atPos = email.indexOf("@", 1)
	if (atPos == -1) {
		return (false);
	}

	//if (email.indexOf("@", atPos + 1) != -1) {
	//	return (false);
	//}

	periodPos = email.indexOf(".", atPos)
	if (periodPos == -1) {
		return (false);
	}

	if (periodPos + 3 > email.length) {
		return (false);
	}

	return (true);
}

 function secCard(n)
  {
  if(n==1)
  {                secTable.cells[0].className="cardSelected";
                   secTable.cells[1].className="cardNormal";
                   secTable.cells[2].className="cardNormal";
                   secTable.cells[3].className="cardNormal";
  }
  if(n==2)
  {
                   secTable.cells[0].className="cardNormal";
                   secTable.cells[1].className="cardSelected";
                   secTable.cells[2].className="cardNormal";
                   secTable.cells[3].className="cardNormal";

  }
  if(n==3)
  {
                   secTable.cells[0].className="cardNormal";
                   secTable.cells[1].className="cardNormal";
                   secTable.cells[2].className="cardSelected";
                   secTable.cells[3].className="cardNormal";


  }
  if(n==4)
  {
                   secTable.cells[0].className="cardNormal";
                   secTable.cells[1].className="cardNormal";
                   secTable.cells[2].className="cardNormal";
                   secTable.cells[3].className="cardSelected";


  }
  }
  function secBoard(n)
  {
    for(i=0;i<mainTable.tBodies.length;i++)
      mainTable.tBodies[i].style.display="none";
            mainTable.tBodies[n].style.display="";
  }

function sms(){
window.open('/sms/main.asp','<%=citynamefw%>','width=278px,height=500px,left=100px,top=120px,resizable=no');
}

function oChangeTopMenu(sObj,sId){
	var oClassName="active";
	var oMenu=document.getElementById(sObj);
	var oItem=oMenu.getElementsByTagName("LI");
	oItem[sId].className=oClassName;
}