var aImgPreloader = new Array;
// imageName, imageSrc, imageOverSrc
// add a new line for each img that needs to be preloaded
//var urlRoot="http://www.shoalcreeksucculents.com/images/";
var urlRoot="layout/menu_";
aImgPreloader[aImgPreloader.length] = new Array('home',urlRoot+'home.gif',urlRoot+'home_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('services',urlRoot+'services.gif',urlRoot+'services_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('quality',urlRoot+'quality.gif',urlRoot+'quality_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('locations',urlRoot+'locations.gif',urlRoot+'locations_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('employment',urlRoot+'employment.gif',urlRoot+'employment_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('affiliates',urlRoot+'affiliates.gif',urlRoot+'affiliates_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('contact',urlRoot+'contact.gif',urlRoot+'contact_mo.gif');



// load up image container object based on previous array
var oImgContainer = new Object;
for(i=0;i<aImgPreloader.length;i++){
	if(document.images){
		oImgContainer[aImgPreloader[i][0]] = new Image;
		oImgContainer[aImgPreloader[i][0]].src = aImgPreloader[i][1];
		oImgContainer[aImgPreloader[i][0] + 'On'] = new Image;
		oImgContainer[aImgPreloader[i][0] + 'On'].src = aImgPreloader[i][2];
	}
}

// rollover function
// image name (sImg) corresponds with aImgPreloader and name attribute of tag
function roll(sImg,bOver){
	if(document.images){
		if (bOver) {
			document.images[sImg].src = oImgContainer[sImg + 'On'].src;
		} else {
			document.images[sImg].src = oImgContainer[sImg].src;


		}
	}
}