var aImgPreloader = new Array;

var urlRoot="layout/";
aImgPreloader[aImgPreloader.length] = new Array('showcase',urlRoot+'HPshowcase.gif',urlRoot+'HPshowcase_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('products',urlRoot+'HPproducts.gif',urlRoot+'HPproducts_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('fabrication',urlRoot+'HPfabrication.gif',urlRoot+'HPfabrication_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('showrooms',urlRoot+'HPshowrooms.gif',urlRoot+'HPshowrooms_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('requests',urlRoot+'HPrequests.gif',urlRoot+'HPrequests_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('accolades',urlRoot+'HPaccolades.gif',urlRoot+'HPaccolades_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('contactus',urlRoot+'HPcontactus.gif',urlRoot+'HPcontactus_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('weathercertified',urlRoot+'HPweathercertified.gif',urlRoot+'HPweathercertified_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('requestaquote',urlRoot+'requestaquote.gif',urlRoot+'requestaquote_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('buildersclickhere',urlRoot+'buildersclickhere.gif',urlRoot+'buildersclickhere_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('viewdoorspecs',urlRoot+'viewdoorspecs.gif',urlRoot+'viewdoorspecs_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('viewjobsinprogress',urlRoot+'viewjobsinprogress.gif',urlRoot+'viewjobsinprogress_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('loewen',urlRoot+'LoewenHP.gif',urlRoot+'LoewenHP_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('probuildrequest',urlRoot+'probuildrequest.gif',urlRoot+'probuildrequest_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];
	}
}

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;


		}
	}
}