button0=new Image();
button0.src="schools/englehart/photos/main.jpg";
button1=new Image();
button1.src="schools/englehart/photos/1.jpg";
button2=new Image();
button2.src="schools/englehart/photos/2.jpg";
button3=new Image();
button3.src="schools/englehart/photos/3.jpg";
button4=new Image();
button4.src="schools/englehart/photos/4.jpg";
button5=new Image();
button5.src="schools/englehart/photos/5.jpg";
button6=new Image();
button6.src="schools/englehart/photos/6.jpg";

function display(num) {
	if (num=="0") document.main.src=button0.src;
	if (num=="1") document.main.src=button1.src; 
	if (num=="2") document.main.src=button2.src;
	if (num=="3") document.main.src=button3.src;
	if (num=="4") document.main.src=button4.src;
	if (num=="5") document.main.src=button5.src;
	if (num=="6") document.main.src=button6.src;
}

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

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