// detect flash
var bln_flash = false;
if (navigator.plugins) {
    for (var i = 0; i < navigator.plugins.length; i++) {
        if (navigator.plugins[i].name.toLowerCase().indexOf("shockwave flash") >= 0) {
            bln_flash = true;
        }
    }
}
// track the file
var tracker_file = "/includes/asp/template_tracker.asp?virtual_id=2421&referrer=" + escape(document.referrer) + "&screen=" + window.screen.width + "x" + window.screen.height + "&flash=" + bln_flash + "&nocache=" + Math.random();
document.write ('<img height=1 width=1 src="' + tracker_file + '">');
// exit the page
window.onunload = function()
{ tracker_expirenow(); }