if (document.images) {

//rollovers
		about = new Image();
		about_down = new Image();
		life = new Image();
		life_down = new Image();
		academics = new Image();
		academics_down = new Image();
		community = new Image();
		community_down = new Image();
		students = new Image();
		students_down = new Image();
		teachers = new Image();
		teachers_down = new Image();
		contact = new Image();
		contact_down = new Image();
		giving = new Image();
		giving_down = new Image();

		about.src = "_images/btn-about-0.gif";
		about_down.src = "_images/btn-about-1.gif";
		life.src = "_images/btn-life-0.gif";
		life_down.src = "_images/btn-life-1.gif";
		academics.src = "_images/btn-academics-0.gif";
		academics_down.src = "_images/btn-academics-1.gif";
		community.src = "_images/btn-community-0.gif";
		community_down.src = "_images/btn-community-1.gif";
		students.src = "_images/btn-students-0.gif";
		students_down.src = "_images/btn-students-1.gif";
		teachers.src = "_images/btn-teachers-0.gif";
		teachers_down.src = "_images/btn-teachers-1.gif";
		contact.src = "_images/btn-contact-0.gif";
		contact_down.src = "_images/btn-contact-1.gif";
		giving.src = "_images/btn-giving-0.gif";
		giving_down.src = "_images/btn-giving-1.gif";
		

}

function buttonOn(imageName) {
	if (document.images) {
		document[imageName].src = eval(imageName+"_down.src")
		}
	}

function buttonOff(imageName) {
	if (document.images) {
		document[imageName].src = eval(imageName+".src")
		}
	}