pic1_off = new Image;
pic1_off.src="hl.gif";
pic1_on = new Image;
pic1_on.src="hld.gif";
pic2_off = new Image;
pic2_off.src="to.gif";
pic2_on = new Image;
pic2_on.src="tod.gif";
pic3_off = new Image;
pic3_off.src="ca.gif";
pic3_on = new Image;
pic3_on.src="cad.gif";
pic4_off = new Image;
pic4_off.src="ga.gif";
pic4_on = new Image;
pic4_on.src="gad.gif";
pic5_off = new Image;
pic5_off.src="au.gif";
pic5_on = new Image;
pic5_on.src="aud.gif";
pic6_off = new Image;
pic6_off.src="r.gif";
pic6_on = new Image;
pic6_on.src="rd.gif";
pic7_off = new Image;
pic7_off.src="cu.gif";
pic7_on = new Image;
pic7_on.src="cud.gif";



function over_img(pn)
	{
		document[pn].src=eval(pn + "_on.src");
	
	}

function off_img(pn)
	{
		document[pn].src=eval(pn + "_off.src");
	}