if (document.images) {
        img1off=new Image();
        img1off.src="images/mission.gif";
        img2off=new Image();
        img2off.src="images/responsibilities.gif";
        img3off=new Image();
        img3off.src="images/programs.gif";
        img4off=new Image();
        img4off.src="images/development.gif";
        img5off=new Image();
        img5off.src="images/events.gif";
        img6off=new Image();
        img6off.src="images/directory.gif";
        img7off=new Image();
        img7off.src="images/vacancies.gif";
        img8off=new Image();
        img8off.src="images/busdriver.gif";
        img30off=new Image();
        img30off.src="images/linkfill.gif";
        
        img1on=new Image();
        img1on.src="images/mission1.gif";
        img2on=new Image();
        img2on.src="images/responsibilities1.gif";
        img3on=new Image();
        img3on.src="images/programs1.gif";
        img4on=new Image();
        img4on.src="images/development1.gif";
        img5on=new Image();
        img5on.src="images/events1.gif";
        img6on=new Image();
        img6on.src="images/directory1.gif";
        img7on=new Image();
        img7on.src="images/vacancies1.gif";
        img8on=new Image();
        img8on.src="images/busdriver1.gif";
        img30on=new Image();
        img30on.src="images/linkfill.gif";
        
        img1ad=new Image();
        img1ad.src="images/menu-mission.gif";
        img2ad=new Image();
        img2ad.src="images/menu-responsb.gif";
        img3ad=new Image();
        img3ad.src="images/menu-programs.gif";
        img4ad=new Image();
        img4ad.src="images/menu-develop.gif";
        img5ad=new Image();
        img5ad.src="images/menu-events.gif";
        img6ad=new Image();
        img6ad.src="images/menu-directory.gif";
        img7ad=new Image();
        img7ad.src="images/menu-vacancies.gif";
        img8ad=new Image();
        img8ad.src="images/menu-busdriver.gif";
        img30ad=new Image();
        img30ad.src="images/introbottom.gif";

}

function imgAct(imgName) {
        if (document.images) {
        document[imgName].src = eval(imgName + "on.src");
        parent.document["holder"].src=eval(imgName + "ad.src");
        }
}

function imgInact(imgName) {
        if (document.images) {
        document[imgName].src = eval(imgName + "off.src");
        }
}
// this line is the last line the the imgInact function - 
//	parent.document["holder"].src= "images/introbottom.gif";