addLoadEvent(findPopUps);

var newWindow = null;

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

//find pop-ups function searches the file for the pop-ups tag, if it is there
//perform another function on-click
function findPopUps()
{

var popups = document.getElementsByTagName("a");
for (i=0;i<popups.length;i++)
 {
if ((popups[i].rel.indexOf("popup") != -1) || (popups[i].className.indexOf("popuplink") != -1))
  {
  // attach popup behaviour
  popups[i].onclick = doPopUp;
  // add popup indicator
  if (popups[i].rel.indexOf("noicon")==-1)
  //more of the 'no icon' thing in a moment ...
   {
   popups[i].style.backgroundImage = "url(/images/generic/pop-up.gif)";
   popups[i].style.backgroundPosition = "0 10%";
   popups[i].style.backgroundRepeat = "no-repeat";
   popups[i].style.paddingLeft = "15px";
   }
  // add info to title attribute to alert fact that it's a pop-up window
  popups[i].title = popups[i].title + " [Opens in pop-up window]";
  }
 }
}

//if the popups tag is clicked perform this function to display the pop-up
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 popUpWin(url, type, strWidth, strHeight){
	
closeWin(); 
//calls function to close pop-up if already open, 
//to ensure it's re-opened every time, retainining focus
	
type = type.toLowerCase();
	
if (type == "fullscreen"){
 strWidth = screen.availWidth;
 strHeight = screen.availHeight;
 }
var tools="";
if (type == "standard") tools = "resizable,toolbar=yes,location=yes,scrollbars=yes,menubar=yes,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();
}