<!--
// preload all mouseover images
function doPreload()
{
	var the_images = new Array('/images/groundworks_mo.gif',
		'/images/concrete_mo.gif',
		'/images/roads_mo.gif',
		'/images/foundations_mo.gif',
		'/images/external_mo.gif');
	preloadImages(the_images);
}

function preloadImages(the_images_array) {
	for(loop = 0; loop < the_images_array.length; loop++) {
   		var an_image = new Image();
		an_image.src = the_images_array[loop];
	}
}

function swapIt(imgName,imgSrc) {
	document.images[imgName].src = imgSrc;
}
//-->