toc01an = new Image(120, 28); // width and higth of image
	toc01an.src = "images/button01_r.gif"; // URL for Mouseover
		toc02an = new Image(120, 28);
                toc02an.src = "images/button02_r.gif";
		toc03an = new Image(120, 28);
                toc03an.src = "images/button03_r.gif";
		toc04an = new Image(120, 28);
                toc04an.src = "images/button04_r.gif";
		toc05an = new Image(120, 28);
                toc05an.src = "images/button05_r.gif";
		toc06an = new Image(120, 28);
                toc06an.src = "images/button06_r.gif";
		toc07an = new Image(120, 28);
                toc07an.src = "images/button07_r.gif";
		toc08an = new Image(120, 28);
                toc08an.src = "images/button08_r.gif";
		toc09an = new Image(120, 28);
                toc09an.src = "images/button09_r.gif";
		toc10an = new Image(120, 28);
                toc10an.src = "images/button10_r.gif";
		toc11an = new Image(120, 28);
                toc11an.src = "images/button11_r.gif";
		toc12an = new Image(120, 28);
                toc12an.src = "images/button12_r.gif";
				
	                toc01aus = new Image(120, 28);
	toc01aus.src = "images/button01_b.gif";
		toc02aus = new Image(120, 28);
                toc02aus.src = "images/button02_b.gif";
		toc03aus = new Image(120, 28);
                toc03aus.src = "images/button03_b.gif";
		toc04aus = new Image(120, 28);
                toc04aus.src = "images/button04_b.gif";
		toc05aus = new Image(120, 28);
                toc05aus.src = "images/button05_b.gif";
		toc06aus = new Image(120, 28);
                toc06aus.src = "images/button06_b.gif";
		toc07aus = new Image(120, 28);
                toc07aus.src = "images/button07_b.gif";
		toc08aus = new Image(120, 28);
                toc08aus.src = "images/button08_b.gif";
		toc09aus = new Image(120, 28);
                toc09aus.src = "images/button09_b.gif";
		toc10aus = new Image(120, 28);
                toc10aus.src = "images/button10_b.gif";
		toc11aus = new Image(120, 28);
                toc11aus.src = "images/button11_b.gif";
		toc12aus = new Image(120, 28);
                toc12aus.src = "images/button12_b.gif";
	
	                toc01down = new Image(120, 28);
	toc01down.src = "images/button01_b.gif";
		toc02down = new Image(120, 28);
                toc02down.src = "images/button02_b.gif";
		toc03down = new Image(120, 28);
                toc03down.src = "images/button03_b.gif";
		toc04down = new Image(120, 28);
                toc04down.src = "images/button04_b.gif";
		toc05down = new Image(120, 28);
                toc05down.src = "images/button05_b.gif";
		toc06down = new Image(120, 28);
                toc06down.src = "images/button06_b.gif";
		toc07down = new Image(120, 28);
                toc07down.src = "images/button07_b.gif";
		toc08down = new Image(120, 28);
                toc08down.src = "images/button08_b.gif";
		toc09down = new Image(120, 28);
                toc09down.src = "images/button09_b.gif";
		toc10down = new Image(120, 28);
                toc10down.src = "images/button10_b.gif";
		toc11down = new Image(120, 28);
                toc11down.src = "images/button11_b.gif";
		toc12down = new Image(120, 28);
                toc12down.src = "images/button12_b.gif";

function img_act(imgName) {
	imgOn = eval(imgName + "an.src");
	document [imgName].src = imgOn;
	}
function img_inact(imgName) {
	imgOff = eval(imgName + "aus.src");
	document [imgName].src = imgOff;
	}
function img_push(imgName) {
	imgdown = eval(imgName + "down.src");
	document [imgName].src = imgdown;
	}