function calldoubleclick(tag, url){
if (tag=='twitter'){
 	cat="twitt194";
}
else if (tag=='facebook'){
 	cat="faceb932";
}
else if (tag=='fishbowl'){
	cat="realb592";
}
else{
	return false;
}
var axel = Math.random() + "";
var num = axel * 1000000000000000000;
var spotpix = new Image();
spotpix.src = "http://ad.doubleclick.net/activity;src=12585;type=den2010;cat=" + cat + ";ord=" + num;
window.location.href=url;
}