function checkvalue(obj)
	{
	 	if(obj==""){
		alert('值不能为空');
		return false;
		}
		return true;
	}
	function CheckLoginForm()
	{
		if(document.getElementById('index_username').value=="")
		{
			alert('请输入用户名!');
			return false;			
		}
		if(document.getElementById('index_userpsw').value=="")
		{
			alert('请输入密码!');
			return false;			
		}
		if(document.getElementById('index_usercode').value=="")
		{
			alert('请输入验证码!');
			return false;			
		}
		
	}
	function checkpsw()
	{
		if( document.getElementById('newpsw').value.length<6 || document.getElementById('newpsw').value.length >12){
		 alert('密码长度不正确!');
		 return false;
		}  
		if(document.getElementById('newpsw').value != document.getElementById('newpsw1').value)
		{
			alert('两次输入的密码不一样!');
			return false;
		}
		return true;		
	}

	function clearpsw()
	{
		document.getElementById('oldpsw').value="";
		document.getElementById('newpsw').value="";
		document.getElementById('chkpsw').innerHTML="";
		document.getElementById('newpsw1').value="";
		return;
	}
	function sendpsw()
	{
		var strurl;
		strurl="action=edit&psw="+document.getElementById('newpsw').value+"&oldpsw="+document.getElementById('oldpsw').value;
		httpRequest('post','checkpsw.asp',true,output1,strurl);
			
	}
	function output1()
	{
		if(request.readyState   ==   4) 
    	if(request.status   ==   200)
		alert(request.responseText);
		else
		alert('error');
	}
function selectzs()
{
	if(document.getElementById('select_zs').value=="全国"||document.getElementById('result_zs').value=="全国")
		document.getElementById('result_zs').value="全国";
	else
	{
		if(document.getElementById('result_zs').value=="")
			document.getElementById('result_zs').value=document.getElementById('select_zs').value;
			else
		document.getElementById('result_zs').value=document.getElementById('result_zs').value+","+document.getElementById('select_zs').value;
	}			
}
	function IsNum(argValue)
	{
	var flag=false;
	var length=argValue.length;
	for (var iIndex=0;iIndex<length;iIndex++)
	{
		if((argValue.substr(iIndex,1)>="0") && (argValue.substr(iIndex,1)<="9"))
			flag=true;
		else {
			flag=false;
			break;
		}
	}
	return flag;
	}

//判断字符长度是否在规定范围内
function str_len(txt,i,j)
{
	var len = txt.replace(/[\n\r]/g,"");
	var len = len.length;
	if(len < i) {
		return false;
	}
	else if(len > j) {
		return false;
	}
	else {
		return true;
	}
}

//========================================================================	
	function check_user_info()
	{
	//判断联系电话
	if (!str_len(document.getElementById('phone').value,i=10,j=15) )
	{
		alert('请输入正确的联系电话!');
		//document.form1.tel.focus();
		return false;
	}
	//判断传真
	if (!str_len(document.getElementById('fax').value,i=10,j=15))
	{
		alert('请输入正确的传真号码!');
		//document.form1.tel.focus();
		return false;
	}
	//判断手机
	if(document.getElementById('mobile').value!="")
	if (!str_len(document.getElementById('mobile').value,i=11,j=11))
	{
		alert('请输入正确的联系手机!');
		//document.form1.tel.focus();
		return false;
	}
	//判断QQ号im_account
	if(document.getElementById('qq').value!="")
	if (!str_len(document.getElementById('qq').value,i=4,j=10) || !IsNum(document.getElementById('qq').value))
	{
		alert('请输入正确的QQ号');
		document.getElementById('qq').focus();
		return false;
	}
		return true;
	}
	

//检查用户后台添加招聘信息

function checkjob()
{
	if(document.getElementById('JobName').value.length <2){
		alert('职位名称太短!');
		return false;
	}
	if(document.getElementById('JobName').value.length >20){
		alert('职位名称太长!');
		return false;
	}
	if(document.getElementById('JobAddress').value==""){
		alert('工作地址不能为空');
		return false;
	}
	if(document.getElementById('JobNumber').value==""){
		alert('招聘人数不能为空!');
		return false;
	}
	if(!IsNum(document.getElementById('JobNumber').value)){
		alert('招聘人数必须为数字!');
		return false;
	}
	if(document.getElementById('Emolument').value==""){
		alert('请填写月薪!');
		return false;
	}
	if(document.getElementById('StartDate').value==""){
		alert('请输入开始时间!');
		return false;
	}
	if(document.getElementById('EndDate').value==""){
		alert('请输入结束时间!');
		return false;
	}
	if(document.getElementById('Responsibility').value.length >500){
		alert('工作职责内容太长!最高为500字');
		return false;
	}
	if(document.getElementById('Requirement').value.length >500){
		alert('职位要求内容太长!最高为500字');
		return false;
	}
	if(document.getElementById('ePostCode').value!="")
	if(!IsNum(document.getElementById('ePostCode').value)){
		alert('邮编必须为数字!');
		return false;
	}
	
}
	var request = null;
	
	function httpRequest(reqType,url,asynch,respHandle){
	//Mozilla浏览器
	if(window.XMLHttpRequest){
	request = new XMLHttpRequest();
	//如果请求类型是POST,
	//第五个参数是post的数据
	if(reqType.toLowerCase() != "post" )
	{
	initReq(reqType, url,asynch,respHandle);
	} else {
	//post的数据
	var args = arguments[4];
	if(args != null && args.length > 0){
	initReq(reqType,url,asynch,respHandle,args);
	}
	}
	} else if (window.ActiveXObject){
	request=new ActiveXObject("Msxml2.XMLHTTP");
	if (! request){
	request=new ActiveXObject("Microsoft.XMLHTTP");
	}
	if(request){
	//如果请求类型是POST,
	//第五个参数是post的数据
	if(reqType.toLowerCase() != "post") {
	initReq(reqType,url,asynch,respHandle);
	} else {
	var args = arguments[4];
	if(args != null && args.length > 0){
	initReq(reqType,url,asynch,respHandle,args);
	}
	}
	} else {
	alert("Your browser does not permit the use of all "+
	"of this application‘s features!");}
	} else {
	alert("Your browser does not permit the use of all "+
	"of this application‘s features!");}
	}
	/* Initialize a Request object that is already constructed */
	function initReq(reqType,url,bool,respHandle){
	try{
	request.onreadystatechange=respHandle;
	request.open(reqType,url,bool);
	//如果请求类型是POST,
	//第五个参数是post的数据
	if(reqType.toLowerCase() == "post") {
	request.setRequestHeader("Content-Type",
	"application/x-www-form-urlencoded; charset=UTF-8");
	request.send(arguments[4]);
	} else {
	request.send(null);
	}
	} catch (errv) {
	alert(
	"The application cannot contact "+
	"the server at the moment. "+
	"Please try again in a few seconds.\n"+
	"Error detail: "+errv.message);
	}
	}
    function cmppsw(obj)
	{
	 	var strurl;
		strurl="action=cmp&psw="+document.getElementById(obj).value;

        httpRequest('post','checkpsw.asp',true,output,strurl);
    }
	function output()
	{
		if(request.readyState   ==   4) 
    	if(request.status   ==   200)
			document.getElementById('chkpsw').innerHTML=request.responseText;
	}
 function logout()
 {
	if(confirm('真的要退出吗？')){
	window.open('UserLogout.asp','_self');   
	}
 }
 function show_pic(cpid,action)
{
    action=='show'?cpid.style.visibility="visible":cpid.style.visibility="hidden";
}