function GetUrlArg(name)
{
 var idx=document.location.href.indexOf(name+'=');
 if (idx<=0) return null;
 var argstr=document.location.href.substring(idx+name.length+1);
 idx = argstr.indexOf('&');
 return idx>=0?argstr.substring(0, idx):argstr;
}

var ver=GetUrlArg("ver");

网址如：www.xxxx.com/index.html?ver=123&time=212