function openGalleryWindow(url) {
	if (document.all)
		var xMax = screen.width, yMax = screen.height;
	else
		if (document.layers)
			var xMax = window.outerWidth, yMax = window.outerHeight;
		else
			var xMax = 800, yMax=600;
	var xOffset = (xMax - 50)/2, yOffset = (yMax - 50)/2;
	var xOffset = 50, yOffset = 50;
	popupWin = window.open(url,'new_page','width=150,height=80,screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+',scrollbars=auto,toolbars=no,menubar=no,resizable=no')
}