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show and hide JS/CSS

Refael asked
Last Modified: 2012-08-14
Hello experts,

I have an image of a house with hotspots links. Each hotspot should hide the initial house image and show the relevant image depending on the hotspot.

Here is the code:
<div id="house_container">

<div id="house"><img src="house.gif" usemap="#Map" /></div>
<div id="house35" style="visibility:hidden;"><img src="35.gif" usemap="#Map" /></div>
<div id="house27" style="visibility:hidden;"><img src="27.gif" usemap="#Map" /></div>

<map name="Map" id="Map">

<area shape="rect" alt="" coords="102,51,135,83" href="#" onmouseover="Hide('house'); Show('house35');" onmouseout="Hide('house35'); Show('house'); " />
<area shape="rect" alt="" coords="63,92,99,123" href="#" onmouseover="Hide('house'); Show('house27');" onmouseout="Hide('house27'); Show('house'); " />


below is the JS code the page uses:

function Show(id) {
   obj = document.getElementsByTagName("div");
   if (obj[id].style.visibility == 'hidden'){
   	obj[id].style.visibility = 'visible';
   if (obj[id].style.display == 'none'){
   	obj[id].style.display = 'block';

function Hide(id) {
    obj = document.getElementsByTagName("div");
    if (obj[id].style.visibility == 'visible'){
    	obj[id].style.visibility = 'hidden';
    if (obj[id].style.display == 'block'){
   		obj[id].style.display = 'none';

Open in new window

"house 35" is showing in the right place (replacing the initial image but "house27"  (the 2nd image) is showing down below the initial house.

How can I get "house27" to show where the initial image is like the initial image and "house35" is positioned?
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