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();
	}
}

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

// primary function to retrieve cookie by name
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;
}

// store cookie value with optional details as needed
function setCookie(name, value, expires, path, domain, secure,escape)
{
	if(escape) value=escape(value);
	
	document.cookie = name + "=" + value +
	((expires) ? "; expires=" + expires : "") +
	((path) ? "; path=" + path : "") +
	((domain) ? "; domain=" + domain : "") +
	((secure) ? "; secure" : "");
}

// remove the cookie by setting ancient expiration date
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";
}
}

function getRealLogonName(){
	var piece="|";
	var cookieField="CNREAL";
	var cookieString="";
	cookieString=getCookie(cookieField);
	
	if(cookieString==undefined) {
		return '';
	}
	var end=cookieString.indexOf(piece);
	if(end==-1) return '';
	return cookieString.substring(0,end);

}