// these are the common cookie handling functions

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 GetCookie (name) 	{
	var cookieValue = "";
	var cookieName = "";
	var cookiesArray = document.cookie.split(";");
	for (i=0;i<cookiesArray.length;i++)	{
		var cookiePair = cookiesArray[i].split("=");
		cookieName = cookiePair[0].replace(/^\s+|\s+$/g, "");
		if (cookieName == name)	{
			if (cookiePair.length > 1) {
				cookieValue = cookiePair[1].replace(/^\s+|\s+$/g, "");
				break
			}
		}
	}
	if (cookieValue != "") {
		return cookieValue;
	} else {
		return null
	}
}
function oldGetCookie (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 null;
}

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

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";
   }
}