function addEvent(elm, evType, fn, useCapture)
{ 
  if(elm.addEventListener)
  {
    elm.addEventListener(evType, fn, useCapture);
    return true;
  }
  else if (elm.attachEvent)
  {
    var r = elm.attachEvent('on' + evType, fn);
    return r;
  }
  else
  {
    elm['on' + evType] = fn;
  }
}

var newWindow = null;

function closeWin(){
	if (newWindow != null){
		if(!newWindow.closed)
			newWindow.close();
	}
}

function popUpWin(url, type, strWidth, strHeight){
	
	closeWin();
	type = type.toLowerCase();
	if (type == "fullscreen")
	{
		strWidth = screen.availWidth;
		strHeight = screen.availHeight;
	}
	var tools="";
	if (type == "standard") tools = "resizable,toolbar=no,location=yes,scrollbars=yes,menubar=no,width="+strWidth+",height="+strHeight+",top=0,left=0";
	if (type == "console" || type == "fullscreen") tools = "resizable,toolbar=no,location=no,scrollbars=no,width="+strWidth+",height="+strHeight+",left=0,top=0";
	newWindow = window.open(url, 'newWin', tools);
	newWindow.focus();
}

function doPopUp(e)
{
  //set defaults - if nothing in rel attrib, these will be used
  var t = "standard";
  var w = "780";
  var h = "580";
  //look for parameters
  attribs = this.rel.split(" ");
  if (attribs[1]!=null) {t = attribs[1];}
  if (attribs[2]!=null) {w = attribs[2];}
  if (attribs[3]!=null) {h = attribs[3];}
  //call the popup script
  popUpWin(this.href,t,w,h);
  //cancel the default link action if pop-up activated
  if (window.event) 
	{
	  window.event.returnValue = false;
	  window.event.cancelBubble = true;
	} 
  else if (e) 
	{
	  e.stopPropagation();
	  e.preventDefault();
	}
}

function findPopUps()
{
  var popups = document.getElementsByTagName("a");
  for (i=0;i<popups.length;i++)
	{
	if (popups[i].rel.indexOf("popup")!=-1)
		{
		  // attach popup behaviour
		  popups[i].onclick = doPopUp;
		}
	}
}

addEvent(window, 'load', findPopUps, false);