// Use this function to retrieve a cookie.
function getCookie(name){
	var cname = name + "=";               
	var dc = document.cookie;             
		if (dc.length > 0) {              
		begin = dc.indexOf(cname);       
			if (begin != -1) {           
				begin += cname.length;       
				end = dc.indexOf(";", begin);
				if (end == -1) end = dc.length;
				return unescape(dc.substring(begin, end));
			} 
		}
	return null;
}

// Use this function to save a cookie.
function setCookie(name, value, expires, domain) {
	document.cookie = 	name + "=" + escape(value) + 
						"; path=/" +
						( (expires) ? "; expires=" + expires.toGMTString() : "" ) +
						( (domain) ? "; domain=" + domain : "" )
						;
}

// Use this function to delete a cookie.
function delCookie(name) {
	document.cookie = name + "=; expires=Thu, 01-Jan-70 00:00:01 GMT" +  "; path=/";
}


//	var exp = new Date();
//	exp.setTime(exp.getTime() + (1000*60*60*24*365*2) );