if (document.images) 

{
var s1off = new Image();  s1off.src = "pic/pointer1_off.gif";
var s1on = new Image();  s1on.src = "pic/pointer1_on.gif";

var s2off = new Image();  s2off.src = "pic/pointer1_off.gif";
var s2on = new Image();  s2on.src = "pic/pointer1_on.gif";

var s3off = new Image();  s3off.src = "pic/pointer1_off.gif";
var s3on = new Image();  s3on.src = "pic/pointer1_on.gif";

var s4off = new Image();  s4off.src = "pic/pointer1_off.gif";
var s4on = new Image();  s4on.src = "pic/pointer1_on.gif";

var s5off = new Image();  s5off.src = "pic/pointer1_off.gif";
var s5on = new Image();  s5on.src = "pic/pointer1_on.gif";

var s6off = new Image();  s6off.src = "pic/pointer1_off.gif";
var s6on = new Image();  s6on.src = "pic/pointer1_on.gif";

var s7off = new Image();  s7off.src = "pic/pointer1_off.gif";
var s7on = new Image();  s7on.src = "pic/pointer1_on.gif";

}

function change(img3Name)

{
if (document.images) 
	document[img3Name].src = eval(img3Name + 'on.src');
}

function release(img3Name)
{
if (document.images)
	document[img3Name].src = eval(img3Name + 'off.src');
}