var id = '5158-39892-15583-0';

//var myvar = (Math.floor((Math.random()*100000)+1)); 
var mydate = new Date();
var myran = mydate.getTime();
var referrers=new Array('google.com', 'google.com.tw', 'yahoo.com', 'yahoo.com.tw', 'msn.com.tw', 'pchome.com.tw', 'baidu.com', 'yam.com');
// Code section for mediaplex tracking

if (document.referrer) {
    for (var i=0; i < referrers.length; i++)
    	if (document.referrer.indexOf(referrers[i]) > 0) {
				document.writeln('<img src="http://altfarm.mediaplex.com/ad/lt/' + id + '?mpt=' + 
					myran + '&mpcl=' + escape(document.location) + '&mpvl=' + escape(document.referrer) + '" alt="" border="0" height="1" width="1"/>');
				break;
				}
}