// JavaScript Document
function addcookie(name,value,expireHours){
      var cookieString=name+"="+escape(value);
      if(expireHours>0){
             var date=new Date();
             date.setTime(date.getTime+expireHours*3600*1000);
             cookieString=cookieString+"; expire="+date.toGMTString();
      }
      document.cookie=cookieString;
}

function getcookie(name){
      var strcookie=document.cookie;
      var arrcookie=strcookie.split("; ");
      for(var i=0;i<arrcookie.length;i++){
            var arr=arrcookie[i].split("=");
            if(arr[0]==name)return arr[1];
      }
      return "";
}


function BeforeUnload()
{
  //window.alert(document.body.scrollTop );
 // window.alert('unload');
  try {
       addcookie("scrollTop", document.body.scrollTop, 10);
   } catch(e) {
       ;
   }
}

function AfterOnLoad()
{
  //window.alert('load'+getcookie("scrollTop"));
  if (getcookie("scrollTop") != '') {
	  document.body.scrollTop = Number(getcookie("scrollTop"));
  }
}

document.body.onload = AfterOnLoad;
document.body.onunload = BeforeUnload;