var u21049d56bf44b4800 = document.location.host;
var prefix1049d56bf44b4800 = "";

// check if url page is on wanted web site 
// if not mark site id
if (u21049d56bf44b4800 != "null") {
    prefix1049d56bf44b4800 = "PRE-";
}


var url1049d56bf44b4800 = "http://emailingfactory.com/servlet/track?mode=tracking"
url1049d56bf44b4800 += "&page=5023";

// get random string to get unique url
var random1049d56bf44b4800 = escape("r"+(""+Math.random()).substring(2));

url1049d56bf44b4800 += "&screen=" + screen.width;
url1049d56bf44b4800 += "x" + screen.height;
url1049d56bf44b4800 += "&color=" + screen.colorDepth;

document.writeln("<img src=\""+url1049d56bf44b4800+"\"  border=\"0\" width=\"0\" height=\"0\">");