var bites = document.cookie.split("; "); // break cookie into array of bites
var tday = new Date();
var expiry = new Date(tday.getTime() + 360 * 24 * 60 * 60 * 1000); // plus 360 days
function getCookie(name) { 

    for (var i=0; i < bites.length; i++) {
      nextbite = bites[i].split("="); 
      if (nextbite[0] == name)
        return unescape(nextbite[1]); 
    }
    return "";
}
function setCookie(name, value) {
if(name.indexOf(" ") >=0 || name.indexOf(";")>=0){
	alert("error bad element name- "+name)
	return false
	}
    if (value != null && value != "")
      document.cookie=name + "=" + escape(value) + "; path=/; expires=" + expiry.toGMTString();
    bites = document.cookie.split("; ");
}

function deleteCookie(n){
	var expire = new Date(tday.getTime() - 360 * (24 * 60 * 60 * 1000));
	document.cookie=n+"=" + escape("") +"; path=/; expires="+expire.toGMTString();
	bites = document.cookie.split("; ");
}