function preloadImgs()
{
	pic1 = new Image();
	pic1.src = 'menubuttons/about-over.jpg';
	pic2 = new Image();	
	pic2.src = 'menubuttons/blog-over.jpg';
	pic3 = new Image();
	pic3.src = 'menubuttons/contact-over.jpg';
	pic4 = new Image();
	pic4.src = 'menubuttons/destination-weddings.over.jpg';
	pic5 = new Image();
	pic5.src = 'menubuttons/fashion-over.jpg';
	pic6 = new Image();
	pic6.src = 'menubuttons/feature-wedding-over.jpg';
	pic7 = new Image();
	pic7.src = 'menubuttons/portraits-over.jpg';
	pic8 = new Image();
	pic8.src = 'menubuttons/services-over.jpg';
	pic9 = new Image();
	pic9.src = 'menubuttons/testimonials-over.jpg';
	pic10 = new Image();
	pic10.src = 'menubuttons/trash-the-dress-over.jpg';
	pic11 = new Image();
	pic11.src = 'menubuttons/wedding-photographer-over.jpg';
}

function roll_over(img_name, img_src)
{
	document[img_name].src = img_src;
}