var aImgPreloader = new Array;

var urlRoot="../bad/layout/";
aImgPreloader[aImgPreloader.length] = new Array('nav_home',urlRoot+'nav_home.gif',urlRoot+'nav_home_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('nav_register',urlRoot+'nav_register.gif',urlRoot+'nav_register_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('nav_donate',urlRoot+'nav_donate.gif',urlRoot+'nav_donate_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('nav_volunteer',urlRoot+'nav_volunteer.gif',urlRoot+'nav_volunteer_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('nav_history',urlRoot+'nav_history.gif',urlRoot+'nav_history_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('nav_faq',urlRoot+'nav_faq.gif',urlRoot+'nav_faq_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('nav_contactus',urlRoot+'nav_contactus.gif',urlRoot+'nav_contactus_mo.gif');

aImgPreloader[aImgPreloader.length] = new Array('hamptonroads',urlRoot+'hamptonroads.gif',urlRoot+'hamptonroads_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('stlouis',urlRoot+'stlouis.gif',urlRoot+'stlouis_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('kansascity',urlRoot+'kansascity.gif',urlRoot+'kansascity_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('desmoines',urlRoot+'desmoines.gif',urlRoot+'desmoines_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('wichita',urlRoot+'wichita.gif',urlRoot+'wichita_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('houston',urlRoot+'houston.gif',urlRoot+'houston_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('arizona',urlRoot+'arizona.gif',urlRoot+'arizona_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('socali',urlRoot+'socali.gif',urlRoot+'socali_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('nocali',urlRoot+'nocali.gif',urlRoot+'nocali_mo.gif');

aImgPreloader[aImgPreloader.length] = new Array('signuptoride',urlRoot+'signuptoride.gif',urlRoot+'signuptoride_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('sponsorarider',urlRoot+'sponsorarider.gif',urlRoot+'sponsorarider_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;


		}
	}
}