// getCookie and setCookie based on the public domain cookie code produced by Bill Dortch.
function getCookie(name)
{
	var start=document.cookie.indexOf(name+'=');
	var len=start+name.length+1;
	if(!start && name!=document.cookie.substring(0,name.length))
	{
		return null;
	}
	if(start==-1)
	{
		return null;
	}
	var end=document.cookie.indexOf(';',len);
	if(end==-1)
	{
		end=document.cookie.length;
	}
	return unescape(document.cookie.substring(len,end));
}
function setCookie(name,value,expires,path,domain,secure)
{
	expires=expires*86400000;
	var today=new Date();
	var expires_date=new Date(today.getTime()+(expires));
	var cookieString=name+'='+escape(value)+(expires?';expires='+expires_date.toGMTString():'')+(path?';path='+path:'')+(domain?';domain='+domain:'')+(secure?';secure':''); 
	document.cookie=cookieString; 
}