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 getCookieVal(offset){
	var endstr=document.cookie.indexOf(";",offset);
	if (endstr == -1)
		endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

function getCookie(name){
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var h = 0;
	while (h < clen){
		var g = h + alen;
		if (document.cookie.substring(h,g) == arg)
			return getCookieVal(g);
			h = document.cookie.indexOf(" ",h) + 1;
			if(h == 0) break;
	}
	return null;
}

function deleteCookie(name,path,domain){
	if (getCookie(name)) {
		document.cookie = name + "=" + 
		((path) ? "; path=" + path : "") +
		((domain) ? "; domain=" + domain : "") +
		"; expires=Thu, 01-Jan-70 00:00:01 GMT";
	}
}