//获取参数
function GetQueryString(name) {
   var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)","i");
   var r = window.location.search.substr(1).match(reg);
   if (r!=null) return unescape(r[2]); return null;
}
function getUrl(name){
   var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)","i");
   var r = window.location.search.substr(1).match(reg);
   if (r!=null) return unescape(r[2]); return null;
}

function isValidEmail(email){
   var pattern=/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
   return pattern.test(email);
}

function setCookie(name,value){
   var Days = 30;
   var exp = new Date();
   exp.setTime(exp.getTime() + Days*24*60*60*1000);
   document.cookie = name + "="+ escape(value) +";expires="+ exp.toGMTString();
}
function getCookie(name){
   var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
   if(arr != null) return unescape(arr[2]); return null;
}

function reinitIframe(){
    var iframe = document.getElementById("ifrPage");
    try{
    var bHeight = iframe.contentWindow.document.body.scrollHeight;
    var dHeight = iframe.contentWindow.document.documentElement.scrollHeight;
    var height = Math.max(bHeight, dHeight);
    iframe.height =  height;
    }catch (ex){}
}