function bogotrackclick() {
    var click1 = new Image();
    var axel = Math.random()+"";
    var a = axel * 10000000000000;
    click1.src = 'http://ad.doubleclick.net/activity;src=1098476;type=jifnat07;cat=coubutto;ord=1;num='+ a + '?';
}