function setCookie(name,value)//两个参数，一个是cookie的名子，一个是值
{
//    var Days = 1; //此 cookie 将被保存 1 天
//    var exp  = new Date();    //new Date("December 31, 9998");
//    exp.setTime(exp.getTime() + Days*24*60*60*1000);
//    document.cookie = name + "="+ escape (value) + ";expires="+ exp.toGMTString();

	//不设置过期时间表示只是在当前打开的浏览器窗口有效
	document.cookie = name + "="+ escape (value);
}
function getCookie(name)//取cookies函数        
{
    var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
     if(arr != null) return unescape(arr[2]); return "";

}
function delCookie(name)//删除cookie
{
    var exp = new Date();
    exp.setTime(exp.getTime() - 1);
    var cval=getCookie(name);
    if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();
}

function clickLogoutLink(){
	var params = {};
	$.post("/sso.do?method=logout",params,function(xml){
	  var error = $("error",xml);
	  if($("error",xml).text()) {
			var msg = $("error",xml).text();
			$("input").removeAttr("disabled");
	  } else {
			//document.location.href=document.location.href;
			document.location.reload();
	  }
	});
}

function clickLoginLink(){
	var loginLink = document.getElementById("login");
	if(document.location.pathname.indexOf("/login.html")==-1)
		loginLink.href = "/login.html?url="+document.location.pathname;
	else
		loginLink.href = "/login.html?url=/";
}	

function checkLogin(){
	if(document.getElementById("logout")==null)
		document.getElementById("main_content").src="/logintips.html";
}

function getLoginName(){
	if(document.getElementById("_loginName")==null)
		return null;
	return document.getElementById("_loginName").value;
}

function getParam(strParamName){
	var strReturn = "";
	var strHref = window.location.href;
	var bFound=false;
	var cmpstring = strParamName + "=";
	var cmplen = cmpstring.length;
	if ( strHref.indexOf("?") > -1 ){
	  var strQueryString = strHref.substr(strHref.indexOf("?")+1);
	  var aQueryString = strQueryString.split("&");
	  for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
	    if (aQueryString[iParam].substr(0,cmplen)==cmpstring){
	      var aParam = aQueryString[iParam].split("=");
	      strReturn = aParam[1];
	      bFound=true;
	      break;
	    }      
	  }
	}
	if (bFound==false) return null;
	return strReturn.replace("#","");
}

function resetIFrameHeight(targetHeight){
	document.getElementById("main_content").height=targetHeight;
}

function showsub(codeno){
	if(document.getElementById(codeno).style.display=='none'){
		document.getElementById(codeno).style.display='';
	}else{
		document.getElementById(codeno).style.display='none';
	}
}