// Adapted from example at http://accessify.com/features/tutorials/the-perfect-popup/
// changed order of arguments, added variable for extra margin, open windows relative to parent window and shut off indicator icon.
// /Marcus

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;

// Allows extra space for margin  
var xmargin = 40;

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

function popUpWin(url, strWidth, strHeight, type){
	
	closeWin();

	Width = parseFloat(strWidth) + xmargin;
	Height = parseFloat(strHeight) + xmargin;

	type = type.toLowerCase();
	
	if (type == "fullscreen"){
		Width = screen.availWidth;
		Height = screen.availHeight;
	}
	var tools="";
	if (type == "standard") tools = "resizable,toolbar=yes,location=yes,scrollbars=yes,menubar=yes,width="+Width+",height="+Height+"";
	if (type == "console" || type == "fullscreen") tools = "resizable,toolbar=no,location=no,scrollbars=yes,width="+Width+",height="+Height+"";
	newWindow = window.open(url, 'newWin', tools);
	newWindow.focus();
}

function doPopUp(e)
{
//set defaults - if nothing in rel attrib, these will be used
var t = "console";
var w = "500";
var h = "420";
//look for parameters
attribs = this.rel.split(" ");
if (attribs[1]!=null) {w = attribs[1];}
if (attribs[2]!=null) {h = attribs[2];}
if (attribs[3]!=null) {t = attribs[3];}
//call the popup script
popUpWin(this.href,w,h,t);
//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 = popups[i].onkeypress = doPopUp;
		// add popup indicator - shut off - no icons anywhere
		/*if (popups[i].rel.indexOf("noicon")==-1)
			{
			popups[i].style.backgroundImage = "url(pop-up.gif)";
			popups[i].style.backgroundPosition = "0 center";
			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]";
		popups[i].title = popups[i].title + " [Öppnas i pop-up fönster]";
		}
	}
}

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