//Preload rollover images
var image1 = new Image();
image1.src =  "images/shuttersOver.jpg";
	
var image2 = new Image();
image2.src = "images/venetiansOver.jpg";
	
var image3 = new Image();
image3.src = "images/softWindowsOver.jpg";
	
//Rollover button function
function rolloverButtons(img_name, img_src){
	document[img_name].src = img_src;
}

//Pop-up gallery function
function popUp(urlVar) {
	galleryWindow = window.open (urlVar, 'Gallery', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=476,height=414');
}