// Misc script

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 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";
}

function checkCookiesEnabled() {
	if (getCookie("fromHomepage")) {
		alert("cookies are currently enabled");
		cookie_set=true;
		deleteCookie("fromHomepage","/","");
	}
	else {
		alert("cookies are not currently enabled");
		cookie_set=false;
	}
}