function ast_mouseover(e){
  ast_mouseoverurl = e.target.src;
}
function ast_mouseout(){
  ast_mouseoverurl = null;
}
function ast_docunload(e){
  if(ast_mouseoverurl){
    ast_createBug(1,ast_mouseoverurl);
  }
}
function ast_logclick(){
  ast_mouseoverurl = event.srcElement.src;
  ast_createBug(1,ast_mouseoverurl);
  document.body.focus();
}
function ast_createBug(clk, d){
  img = new Image();
  img.src = 'http://www.jonathanleger.com/ast2/at.php?c=' + clk + '&d=' + escape(d) + '&r=' + escape(document.location.href) + '&dt='+ new Date().valueOf();
}

var ast_mouseoverad = null;
var ast_mouseoverurl = null;
var elements;
var agnt = navigator.userAgent.toLowerCase();
var ast_altclicks = (document.layers | agnt.indexOf("firefox")>-1 | agnt.indexOf("mozilla")>-1) && agnt.indexOf("msie")==-1;
if(ast_altclicks){
  if(document.layers){
    window.captureEvents(Events.ONUNLOAD);
  }
  window.onunload = ast_docunload;
}

elements = document.getElementsByTagName("iframe");
gpage = false;
cpage = false;
lpage = false;
ypage = false;
spage = false;
for(var i=0;i<elements.length;i++){
  isg = elements[i].src.indexOf('googlesyndication.com');
  iscpa = elements[i].src.indexOf('&cpa_choice');
  isal = elements[i].src.indexOf('_al&');
  isy = elements[i].src.indexOf('ypn-js.overture.com');
  if(isg>-1 | isy>-1){
    if(document.layers){
      elements[i].captureEvents(Events.ONFOCUS);
      elements[i].captureEvents(Events.ONMOUSEOVER);
      elements[i].captureEvents(Events.ONMOUSEOUT);
    }
    if(ast_altclicks){
      elements[i].onmouseover = ast_mouseover;
      elements[i].onmouseout = ast_mouseout;
    }
    else{
      elements[i].onfocus = ast_logclick;
      elements[i].onmouseout = ast_mouseout;
    }
    if((isg>-1 && !gpage) | (iscpa>-1 && !cpage) | (isal>-1 && !lpage) | (isy>-1 && !ypage)){
      ast_createBug(0,elements[i].src);
      if(isg>-1){
        gpage = true;
      }
      if(iscpa>-1){
        cpage = true;
      }
      if(isal>-1){
        lpage = true;
      }
      if(isy>-1){
        ypage = true;
      }
    }
  }
}