//Pop window
//PC: IE 6, Firefox 1.0.6, MAC: Firefox 1.0.4, Safar 1.3
function popWindow(src, width, height, expanded) {
	var w = 800, h = 600;
	if (screen.width || screen.height) {
		w = screen.width;
		h = screen.height;
	}
	var leftPos = (w-width)/2;
	var topPos = (h-height)/2;
	if (expanded) {
		//window w/ toolbar, status, scrollbar
		window.open(''+src+'','','width='+width+',height='+height+',toolbar=yes,status=yes,menubar=no,scrollbars=yes,resizeable=yes,top=' + topPos + ',left=' + leftPos);
	} else {
		//window plain
		window.open(''+src+'','','width='+width+',height='+height+',toolbar=no,status=no,menubar=no,scrollbars=no,resizeable=no,top=' + topPos + ',left=' + leftPos);
	}
	void(0);
}

//set detection vars
var detect = navigator.userAgent.toLowerCase();
var OS, browser, total, thestring;

//search for string
function isMSIE(string) {
	place = detect.indexOf(string) + 1;
	thestring = string;
	return place;
}

//set WIN/IE vars
if (isMSIE('msie')) browser = "IE";
if (isMSIE('win')) OS = "WIN";

//handle item
function showItem(targ, count) {
	var item = document.getElementById(targ);
	for (var i = 1; i <= count; i++) {
		var ref = "item"+i;
		ref = document.getElementById(ref);
		if (ref == item) {
			if (item.style.display == "none") {	
				if (OS == "Windows" && browser == "IE") {
					ref.style.display = "inline"; //msie, inline
				} else {
					ref.style.display = "";
				}
			} else {
				ref.style.display = "none";
			}
		} else {
			if (ref.style.display != "none") {
				ref.style.display = "none";
				img = "expand"+i;
				changeImage(img);
			}
		}
	}
}

//handle image
function changeImage(targ) {
	if (document[targ].src.indexOf('icon_up.gif') > 0) {
		document[targ].src = "images/icon_down.gif";
	} else {
		document[targ].src = "images/icon_up.gif";
	}
}