function BS$(id){
    return document.getElementById(id);
}
   
function BS$$(id){
    return window.parent.document.getElementById(id);
}

function BS$$$(id){
    return  window.parent.parent.document.getElementById(id);
}



function BSN$(id){
    return window.opener.parent.parent.document.getElementById(id);
}
function getUrl(name){
   var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)","i");
   var r = window.location.search.substr(1).match(reg);
   if (r!=null) return unescape(r[2]); return null;
}
function setCookie(name,value){
   var Days = 30;
   var exp = new Date();
   //exp.setTime(exp.getTime() + Days*24*60*60*1000);
   exp.setTime(exp.getTime() +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 delCookie(name)
{
   var expdate = new Date();
   expdate.setTime(expdate.getTime() - (86400 * 1000 * 1));
   setCookie(name, "", expdate);   
}