function preLoad() {
	menu1 = new Image()
	menu1.src = "/images/btn_homes_f2.png"
	menu2 = new Image()
	menu2.src = "/images/btn_additions_f2.png"
	menu3 = new Image()
	menu3.src = "/images/btn_garages_f2.png"
	menu4 = new Image()
	menu4.src = "/images/btn_exteriors_f2.png"
	menu5 = new Image()
	menu5.src = "/images/btn_concrete_f2.png"
	tab3 = new Image()
	tab3.src = "/images/tabs_features_f2.png"
	tab4 = new Image()
	tab4.src = "/images/tabs_expect_f2.png"
	tab5 = new Image()
	tab5.src = "/images/tabs_portfolio_f2.png"
	tab6 = new Image()
	tab6.src = "/images/tabs_currentad_f2.png"
	tab7 = new Image()
	tab7.src = "/images/tabs_garagedesigner_f2.png"
	tab8 = new Image()
	tab8.src = "/images/tabs_siding_f2.png"
	tab9 = new Image()
	tab9.src = "/images/tabs_windows_f2.png"
	tab10 = new Image()
	tab10.src = "/images/tabs_roofing_f2.png"
	tab11 = new Image()
	tab11.src = "/images/tabs_extdesigner_f2.png"

}

function imgOn(imgName) {
	//if (typeof thetab == "undefined") thetab=0;
	if (document.images && document[imgName].id != thetab) {
		thisExtension = document[imgName].src.substring(document[imgName].src.lastIndexOf("."));
	 	document[imgName].src = ("/images/" + imgName + "_f2" + thisExtension);
	} 
}

function imgOff(imgName) {
	//if (typeof thetab == "undefined") thetab=0;
	if (document.images && document[imgName].id != thetab) {
	 	thisExtension = document[imgName].src.substring(document[imgName].src.lastIndexOf("."));
	 	document[imgName].src = ("/images/" + imgName + thisExtension);
	}
} 

function tabHighlight(tabid) {
	el = document.getElementById(tabid);
	el.style.zIndex = 40;
	imgName = el.name;
	thisExtension = document[imgName].src.substring(document[imgName].src.lastIndexOf("."));
	document[imgName].src = ("/images/" + imgName + "_f2" + thisExtension);	
	el.onmouseout="";
	el.onmouseover="";
}