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");
	}