function getcookie(cookiename) {
var cookiestring=""+document.cookie;
var index1=cookiestring.indexOf(cookiename);
if (index1==-1 || cookiename=="") return "";
var index2=cookiestring.indexOf(';',index1);
if (index2==-1) index2=cookiestring.length;
return unescape(cookiestring.substring(index1+cookiename.length+1,index2));
}
function createCookie(name,value,days)
{
	if (days){
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}else{
		var expires = "";
	}
	document.cookie = name+"="+value+expires+"; path=/";
}
function getParent( el , type )
{
	el = el.parentNode;
	while( el.nodeName.toLowerCase() != type.toLowerCase() && el.parentNode ) {
		el = el.parentNode;
	}
	return el;
}