function imgOn(imgName)
{if (document.images) {document[imgName].src=eval(imgName+"on.src");}}

function imgOff(imgName)
{if (document.images) {document[imgName].src=eval(imgName+"off.src");}}

if (document.images)
{
homeon=new Image(); homeon.src="/img/gnav_home_over.gif";
homeoff=new Image(); homeoff.src="/img/gnav_home_off.gif";

aboutuson=new Image(); aboutuson.src="/img/gnav_aboutus_over.gif";
aboutusoff=new Image(); aboutusoff.src="/img/gnav_aboutus_off.gif";

classeson=new Image(); classeson.src="/img/gnav_classes_over.gif";
classesoff=new Image(); classesoff.src="/img/gnav_classes_off.gif";

involvedon=new Image(); involvedon.src="/img/gnav_involved_over.gif";
involvedoff=new Image(); involvedoff.src="/img/gnav_involved_off.gif";

admissionon=new Image(); admissionon.src="/img/gnav_admission_over.gif";
admissionoff=new Image(); admissionoff.src="/img/gnav_admission_off.gif";

newson=new Image(); newson.src="/img/gnav_news_over.gif";
newsoff=new Image(); newsoff.src="/img/gnav_news_off.gif";

resourceson=new Image(); resourceson.src="/img/gnav_resources_over.gif";
resourcesoff=new Image(); resourcesoff.src="/img/gnav_resources_off.gif";

contactuson=new Image(); contactuson.src="/img/gnav_contactus_over.gif";
contactusoff=new Image(); contactusoff.src="/img/gnav_contactus_off.gif";

}