function getCookie(cookieStr, name)
{
	var str = new String("");
	var i = cookieStr.indexOf(name);
	
	if (i != -1)
	{
		var end = cookieStr.indexOf(";", i);
		if (-1 == end)
			str = cookieStr.substr(i+name.length+1);
		else
		{	
			var start=i+name.length+1;
			str = cookieStr.substr(start,end-start);
		}
	}
	
	return str;
}

function setCookie(name,value,expires)
{
	
	if (expires != null)
		document.cookie = name+"="+value+"; expires="+expires;
	else
		document.cookie = name+"="+value;

}