function setCookie(n, v){
	document.cookie = n + "=" + v + ";" + " path=/;";
}

function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

function delCookie(name, path, domain) {
  if (getCookie(name))
  {
    var date = new Date("January 01, 2000 00:00:01");
    setCookie(name, "", date, path, domain);
  }
}

function ccNum(num) {

	num = num + '';
	start = num.length - 4;
	end = num.length

	cc = num.substring(start,end);
	
	return (cc);
}


function open_win(s,x,y) {
window.open(s,"_blank","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=yes, copyhistory=no, width=" + x + ", height=" + y)
}