//preload images
commercialup = new Image();
commercialup.src = "pics/side/commercial.gif";
commercialdown = new Image();
commercialdown.src = "pics/side/commercial2.gif";

residentialup = new Image();
residentialup.src = "pics/side/residential.gif";
residentialdown = new Image();
residentialdown.src = "pics/side/residential2.gif";

retrofitup = new Image();
retrofitup.src = "pics/side/retrofit.gif";
retrofitdown = new Image();
retrofitdown.src = "pics/side/retrofit2.gif";

inspectionup = new Image();
inspectionup.src = "pics/side/inspection.gif";
inspectiondown = new Image();
inspectiondown.src = "pics/side/inspection2.gif";

hazardsup = new Image();
hazardsup.src = "pics/side/special-hazards.gif";
hazardsdown = new Image();
hazardsdown.src = "pics/side/special-hazards2.gif";

serviceup = new Image();
serviceup.src = "pics/side/service.gif";
servicedown = new Image();
servicedown.src = "pics/side/service2.gif";

emergencyup = new Image();
emergencyup.src = "pics/side/emergency-service.gif";
emergencydown = new Image();
emergencydown.src = "pics/side/emergency-service2.gif";



//mouseover function
function hiLite(name,source) {			
	if(document.getElementById) document.getElementById(name).src = eval(source + ".src");
	else if(document.images) document.images[name].src = eval(source + ".src");			
}