var aImgPreloader = new Array;

var urlRoot="../swfd/layout/";
aImgPreloader[aImgPreloader.length] = new Array('menu_home',urlRoot+'menu_home.gif',urlRoot+'menu_home_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('menu_getstarted',urlRoot+'menu_getstarted.gif',urlRoot+'menu_getstarted_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('menu_raisemoney',urlRoot+'menu_raisemoney.gif',urlRoot+'menu_raisemoney_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('menu_teachdiabetesandhealth',urlRoot+'menu_teachdiabetesandhealth.gif',urlRoot+'menu_teachdiabetesandhealth_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('menu_earnthankyougifts',urlRoot+'menu_earnthankyougifts.gif',urlRoot+'menu_earnthankyougifts_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('menu_resources',urlRoot+'menu_resources.gif',urlRoot+'menu_resources_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;


		}
	}
}