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=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"; */	 
	if (type == 'console') tools = 'resizable,toolbar=no,location=no,scrollbars=no,width='+strWidth+',height='+strHeight+',left=200,top=100';
	if (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 = '800';
	var h = '600';
	//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;
			
			/*L87G - I need to work on this code block, as it does not notify JAWS users that the link opens in a new window. */
			// add popup image 
			if (popups[i].rel.indexOf('noicon')==-1){
				popups[i].style.backgroundImage = 'url(img/popup.gif)';
				popups[i].style.backgroundPosition = '0 center';
				popups[i].style.backgroundRepeat = 'no-repeat';
				popups[i].style.paddingLeft = '12px';
			} 
			// add info to title attribute to alert fact that it's a pop-up window
			popups[i].title = popups[i].title + ' Pop-up window.';  /* NOTE: JAWS does not read the title attribute in links. */
		}
	}
}

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