var aImgPreloader = new Array;

var urlRoot="../images/";
aImgPreloader[aImgPreloader.length] = new Array('calendar',urlRoot+'calendar_1.gif',urlRoot+'calendar_mo_1.gif');
aImgPreloader[aImgPreloader.length] = new Array('theissues',urlRoot+'theissues_1.gif',urlRoot+'theissues_mo_1.gif');
aImgPreloader[aImgPreloader.length] = new Array('meetmike',urlRoot+'meetmike_1.gif',urlRoot+'meetmike_mo_1.gif');
aImgPreloader[aImgPreloader.length] = new Array('contactus',urlRoot+'contactus_1.gif',urlRoot+'contactus_mo_1.gif');
aImgPreloader[aImgPreloader.length] = new Array('donatenow',urlRoot+'donatenow_1.gif',urlRoot+'donatenow_mo_1.gif');

aImgPreloader[aImgPreloader.length] = new Array('m_home',urlRoot+'m_home_1.gif',urlRoot+'m_home_mo_1.gif');
aImgPreloader[aImgPreloader.length] = new Array('m_join',urlRoot+'m_join_1.gif',urlRoot+'m_join_mo_1.gif');
aImgPreloader[aImgPreloader.length] = new Array('m_tellafriend',urlRoot+'m_tellafriend_1.gif',urlRoot+'m_tellafriend_mo_1.gif');
aImgPreloader[aImgPreloader.length] = new Array('m_estore',urlRoot+'m_estore_1.gif',urlRoot+'m_estore_mo_1.gif');
aImgPreloader[aImgPreloader.length] = new Array('m_pressroom',urlRoot+'m_pressroom_1.gif',urlRoot+'m_pressroom_mo_1.gif');
aImgPreloader[aImgPreloader.length] = new Array('m_photogallery',urlRoot+'m_photogallery_1.gif',urlRoot+'m_photogallery_mo_1.gif');
aImgPreloader[aImgPreloader.length] = new Array('m_podcasts',urlRoot+'m_podcasts_1.gif',urlRoot+'m_podcasts_mo_1.gif');
aImgPreloader[aImgPreloader.length] = new Array('m_signup',urlRoot+'m_signup_1.gif',urlRoot+'m_signup_mo_1.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;


		}
	}
}