var images = new Array();
images['1'] = { 'src' : '/us/images/instant-quote.png' }
images['2'] = { 'src' : '/us/images/instant-quote-hover.png' }

$(document).ready(function(){
preloadImages(images);	
});

function preloadImages(images){
	for(i in images){
		eval('image' + i + ' = new Image();');
		eval('image' + i + '.src = images[i].src;')
	}
}