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) {
	
	document.cookie = name + "=" +escape(value) +
		( (expires) ? ";expires=" + expires.toGMTString() : "") +
		( (path) ? ";path=" + path : "") + 
		( (domain) ? ";domain=" + domain : "") +
		( (secure) ? ";secure" : "");

}

function deleteCookie(name,path,domain) {
	
	if (getCookie(name)) document.cookie = name + "=" +
		( (path) ? ";path=" + path : "") +
		( (domain) ? ";domain=" + domain : "") +
		";expires=Thu, 01-Jan-1970 00:00:01 GMT";

}