// Define variables
color= "color="+screen.colorDepth+"&";
//else {color = "color="+screen.pixelDepth+"&";}
avail = "avail="+screen.availwidth+"x"+screen.availheight+"&";
res = "res="+screen.width+"x"+screen.height+"&";


ref = "ref="+document.referrer+"&";
domain = "domain="+document.domain+"&";
browser = "browser="+navigator.appName+"&";
platform = "platform="+navigator.platform+"&";
// Generate img tag
img = '<img name="img" src="http://www.clonica.net/usuario/stats/stats.php?'+color+avail+res+ref+domain+browser+platform+'" width="1" height="1" style="display:none">';
//Print it to browser
document.write(img);