function getExpDate(days,hours,minutes){
var expDate=new Date();
if(typeof(days)=='number' && typeof(hours)=='number' && typeof(hours)=='number'){
expDate.setDate(expDate.getDate()+parseInt(days));
expDate.setHours(expDate.getHours()+parseInt(hours));
expDate.setMinutes(expDate.getMinutes()+parseInt(minutes));
return expDate.toGMTString();
}
}

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 i=0;
while (i<clen){
var j=i+alen;
if(document.cookie.substring(i, j)==arg){
return getCookieVal(j);
}
i=document.cookie.indexOf(" ", i)+1;
if(i==0)break;
}
return "";
}

function setCookie(name, value, expires, path, domain, secure){
document.cookie=name+"="+escape(value)+((expires)?"; expires="+expires:"")+((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-70 00:00:01 GMT";
}
}