// Cookie functions from http://www.quirksmode.org/js/cookies.html// with permission http://www.quirksmode.org/about/copyright.htmlfunction createCookie(name,value,days,path){	if (days)	{		var date = new Date();		date.setTime(date.getTime()+(days*24*60*60*1000));		var expires = "; expires="+date.toGMTString();	}	else var expires = "";	if (!path) {		path = "/";	}	document.cookie = name+"="+value+expires+"; path="+path;}function readCookie(name){	var nameEQ = name + "=";	var ca = document.cookie.split(';');	for(var i=0;i < ca.length;i++)	{		var c = ca[i];		while (c.charAt(0)==' ') c = c.substring(1,c.length);		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);	}	return null;}function eraseCookie(name,path){	createCookie(name,"",-1,path);}