function openWindow(theURL,winName,width,height,scrollbars) {
	var screenW = (screen.width - width) / 2
	var screenH = (screen.height - height) / 3
	features = 'width=' + width + ',height=' + height + ',left=' + screenW + ',top=' + screenH + ',scrollbars=' + scrollbars + ',resizable=yes',
	window.open(theURL,winName,features);
}

function ChangeImage(obj) {
	var imgUrl = obj.src.toLowerCase();
	if ( imgUrl.indexOf("over.") > 0 ) {
		obj.src = imgUrl.replace("over.","out.");
	} else {
		obj.src = imgUrl.replace("out.","over.");
	}
}