Question

Image Rollovers

Asked by: casenova

Hello, i would like some help on image rollovers.  I would like to learn how to make them,
like on this site.  http://www.westedmontonsod.com  I would like to learn how to do this along
with making to picutes into quater circles or circles(the original shape is a square)  Thank you for your help.

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Asked On
2003-05-31 at 09:28:23ID20632346
Topic

Miscellaneous Web Development

Participating Experts
3
Points
125
Comments
11

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Answers

 

by: casenovaPosted on 2003-05-31 at 09:29:09ID: 8620469

Please answer quickly!

 

by: voskPosted on 2003-05-31 at 12:11:50ID: 8621001

Take a look at the code: there's a preload images, which preload the full-color images, and a load of the initial difuminated images.
To do the rollover there's some different ways, but are very similar. The trick is to change the src of the img tag with a onMouseOver (like that code) and onMouseOut.
onMouseOver: change the difuminated image into the full-color
onMouseOut: change the fullcolor into the difuminated.
Just preload the images to make a fast roll.
jbosch(vosk)

 

by: gam3r_3xtr3m3Posted on 2003-06-01 at 01:22:17ID: 8623109

do something like this...
<img onMouseover="this.src='mouseover.jpg'" onMouseout="this.src='mouseout.jpg'" />
take care,
gam3r

 

by: gam3r_3xtr3m3Posted on 2003-06-01 at 01:30:19ID: 8623124

well the pictures, you create them by yourself one by one. their just simple. you can do it with photoshop...
take care,
gam3r

 

by: voskPosted on 2003-06-01 at 09:06:55ID: 8624060

That's an approximation to the westedmontonsod.com code. The preload function is to speed the first roll effect. Althought if you want to roll with large images the effect will be slower.

<html>
<head>
<script language="JavaScript">
function A()
{
var im1 = new Image();
var im2 = new Image();
var im3 = new Image();
var im4 = new Image();
im1 = "http://www.westedmontonsod.com/LT-on.jpg";
im2 = "http://www.westedmontonsod.com/RT-on.jpg";
im3 = "http://www.westedmontonsod.com/LB-on.jpg";
im4 = "http://www.westedmontonsod.com/RB-on.jpg";
}
function B(posit,image)
{
document.getElementById(posit).src = image;
}
function C(posit2,image2)
{
document.getElementById(posit2).src = image2;
}
</script>
</head>
<body onLoad="A();">
<br><br>
<table border="0" cellpadding="0" cellspacing="0" align="center">
<tr>
<td><a onMouseOver="B('a','http://www.westedmontonsod.com/images/LT-on.jpg');" onMouseOut="C('a','http://www.westedmontonsod.com/images/LT-off.jpg');"><img id="a" src="http://www.westedmontonsod.com/images/LT-off.jpg"></a></td>
<td><a onMouseOver="B('b','http://www.westedmontonsod.com/images/RT-on.jpg');" onMouseOut="C('b','http://www.westedmontonsod.com/images/RT-off.jpg');"><img id="b" src="http://www.westedmontonsod.com/images/RT-off.jpg"></a></td>
</tr>
<tr>
<td><a onMouseOver="B('c','http://www.westedmontonsod.com/images/LB-on.jpg');" onMouseOut="C('c','http://www.westedmontonsod.com/images/LB-off.jpg');"><img id="c" src="http://www.westedmontonsod.com/images/LB-off.jpg"></a></td>
<td><a onMouseOver="B('d','http://www.westedmontonsod.com/images/RB-on.jpg');" onMouseOut="C('d','http://www.westedmontonsod.com/images/RB-off.jpg');"><img id="d" src="http://www.westedmontonsod.com/images/RB-off.jpg"></a></td>
</tr>
</table>
</body>
</html>

There's no difference using functions to change the images or changing the images directly inside the image tag (as gam3r post).
Change the url of the images and use your own.
jbosch(vosk)

 

by: LittleRedHatPosted on 2003-07-03 at 16:59:52ID: 8853491

I picked up from one of your other questions that you're using Paint Shop Pro.  You can create rollovers in there, which automatically generate the code for web use.  

The following is how to create a simple rollover.  More complex rollovers like the one you referenced can be created using exactly the same method, once you've created the different mouse over and mouse out graphics you want to use.  

Load up any graphic and window>duplicate twice.
Close the original, so you don't accidentally change/lose it.
Use colours>colorize on both to make them different colours and save them.
Open the one you want to be seen first.
Next, choose File > Export > Image Slicer.
Select Include Cell In Table.
Choose your format and press the Optimize Cell.
Press the Rollover Creator button.
Check Mouse Over and Mouse Out.
Click on the File Open icon to the far right of the Mouse Over control.
Select your second graphic and then click Open.
Click OK to return to Image Slicer.
Save As and Close.
Find your (htm) file in Windows Explorer > Open and roll the cursor over it.

LRH




.

 

by: LittleRedHatPosted on 2004-04-25 at 05:02:36ID: 10911491

Whatever you decide is ok by me.

Cheers!

LRH

 

by: voskPosted on 2004-05-06 at 23:23:01ID: 11012358

Thank's to  daleoran for the recommendation, and thank's to PashaMod for the points.
jbosch(vosk)

20120131-EE-VQP-002

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