img1=new Image();
img1.src="images/heat_fan_light_units.jpg";

img2=new Image();
img2.src="images/shower_fans.jpg";

img3=new Image();
img3.src="images/toilet_fans.jpg";

img4=new Image();
img4.src="images/laundry_fans.jpg";

function gettip(image)
{
document.getElementById('Tip2').innerHTML="<img src='" + image + "' />";
}
function reset()
{
document.getElementById('Tip2').innerHTML=" ";
}