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=yes,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 = popups[i].onkeypress = doPopUp;
			// add popup indicator
			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]";
		}
	}
}

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