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 = 
	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 = "600";
	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(images/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);