function addEvent(obj, evType, fn){ 
 if (obj.addEventListener){ 
   obj.addEventListener(evType, fn, false); 
   return true; 
 } else if (obj.attachEvent){ 
   var r = obj.attachEvent("on"+evType, fn); 
   return r; 
 } else { 
   return false; 
 } 
}

function antispam()
{
	document.getElementById('testt').innerHTML = "<input type=\"hidden\" name=\"offer_form\" value=\"on\" />";
}

addEvent(window, 'load', antispam);

var win = null;
function newWindow(mypage,myname,w,h,features) {
	  var winl = (screen.width-w)/2;
	  var wint = (screen.height-h)/2;
	  if (winl < 0) winl = 0;
	  if (wint < 0) wint = 0;
	  var settings = 'height=' + h + ',';
	  settings += 'width=' + w + ',';
	  settings += 'top=' + wint + ',';
	  settings += 'left=' + winl + ',';
	  settings += features;
	  win = window.open(mypage,myname,settings);
	  win.window.focus();
}