if (document.images) {
	button1= new Image(130,50);
	button1.src="http://www.photographybydesigninc.com/images/button-interior.gif";
	button1on= new Image(130,50);
	button1on.src="http://www.photographybydesigninc.com/images/button-interior-on.gif";
	button2= new Image(130,50);
	button2.src="http://www.photographybydesigninc.com/images/button-virtual.gif";
	button2on= new Image(130,50);
	button2on.src="http://www.photographybydesigninc.com/images/button-virtual-on.gif";
	button3= new Image(130,50);
	button3.src="http://www.photographybydesigninc.com/images/button-corporate.gif";
	button3on= new Image(130,50);
	button3on.src="http://www.photographybydesigninc.com/images/button-corporate-on.gif";
	button4= new Image(130,50);
	button4.src="http://www.photographybydesigninc.com/images/button-wedding.gif";
	button4on= new Image(130,50);
	button4on.src="http://www.photographybydesigninc.com/images/button-wedding-on.gif";
}

function buttonSwap (pic,thisButton) {
	if (document.images) {
		if (document.images[thisButton].filters) {document.images[thisButton].filters.blendTrans.Apply();}
		picurl = eval(pic + ".src");
		document.images[thisButton].src = picurl;
		if (document.images[thisButton].filters) {document.images[thisButton].filters.blendTrans.Play();}
	}
}