function openImage(url, width, height) {
	openSubWin(url, width, height);
	return false;
}

/**** SubWin ****/

var isNav4, isIE4, isMac;
if (parseInt(navigator.appVersion.charAt(0)) >= 4) {
	isNav4 = (navigator.appName == "Netscape") ? true : false
	isNav6 = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) == 5) ? true : false
	isIE4  = (navigator.appName.indexOf("Microsoft") != -1) ? true : false
	isMac  = (navigator.platform.indexOf("Mac") != -1) ? true : false
}

function openImageWin(url, winWidth, winHeight) {
	openSubWin(url, winWidth + 20, winHeight + 20);
}

function openMovieWin(url, winWidth, winHeight) {
	openSubWin(url, winWidth + 20, winHeight + 35);
}

function openSubWin(url, winWidth, winHeight) {
	if (isNav4 || isIE4) {
		var screenPosX,screenPosY;
		screenPosX = (screen.availWidth - winWidth) / 2;
		screenPosY = (screen.availHeight - winHeight) / 2;
		if (isNav4 || isNav6) {
			window.open(url, 'subwin','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0, copyhistory=0,width='+winWidth+',height='+winHeight+',screenX='+screenPosX+',screenY='+screenPosY+'');
		}
		if (isIE4) {
			newwin = window.open(url, 'subwin','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0, copyhistory=0,width='+winWidth+',height='+winHeight+',left='+screenPosX+',top='+screenPosY+'');    
		}
	} else {
		window.open(url, 'subwin','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0, copyhistory=0,width='+winWidth+',height='+winHeight);
	}
}