roll over

i am trying to add a very simple roll over for my website. when the pages
load most of the images load but there are a couple that don't. if i roll my
mouse over the images that don't come up, they will appear. does anyone have
any suggestions? i checked my image size and it's ok.

thanks!

~kim

HVTN Recruitment said:

i am trying to add a very simple roll over for my website. when the pages
load most of the images load but there are a couple that don't. if i roll my
mouse over the images that don't come up, they will appear. does anyone have
any suggestions? i checked my image size and it's ok.

You've mistyped the names in the src attribute of the image tags.
Maybe because your SHIFT key isn't working.

i am trying to add a very simple roll over for my website. when the pages
load most of the images load but there are a couple that don't. if i roll my
mouse over the images that don't come up, they will appear. does anyone have
any suggestions? i checked my image size and it's ok.

You've mistyped the names in the src attribute of the image tags.
Maybe because your SHIFT key isn't working.

Too legit to shift.

Hi Douglas, thanks for your reply. I'm new at this so could you please
explain your answer?

I checked the spelling and couldn't find anything.

This is the source:

<script language="javascript">
<!--

if (document.images) {

// On images

image1on = new Image();
image1on.src="images/home-on.gif";

image2on = new Image();
image2on.src="images/volunteer-on.gif";

image3on = new Image();
image3on.src="images/faq-on.gif";

image4on = new Image();
image4on.src="images/trials-on.gif";

image5on = new Image();
image5on.src="images/safety-on.gif";

image6on = new Image();
image6on.src="images/community-on.gif";

image7on = new Image();
image7on.src="images/staff-on.gif";

image8on = new Image();
image8on.src="images/links-on.gif";

image9on = new Image();
image9on.src="images/contacts-on.gif";


// Off images

image1off = new Image();
image1off.src="images/home-off.gif";

image2off = new Image();
image2off.src="images/volunteer-off.gif";

image3off = new Image();
image3off.src="images/faq-off.gif";

image4off = new Image();
image4off.src="images/trials-off.gif";

image5off = new Image();
image5off.src="images/safety-off.gif";

image6off = new Image();
image6off.src="images/community-off.gif";

image7off = new Image();
image7off.src="images/staff-off.gif";

image8off = new Image();
image8off.src="images/links-off.gif";

image9off = new Image();
image9off.src="images/contacts-off.gif";
}

function imgOn (imgName) {
if (document.images) {
document [imgName].src = eval(imgName + "on.src");
}
}
function imgOff(imgName) {
if (document.images) {
document[imgName].src = eval(imgName + "off.src");
}
}
// -->

</script>

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Kim Louis said:

Hi Douglas, thanks for your reply. I'm new at this so could you please
explain your answer?

I checked the spelling and couldn't find anything.

This is the source:

The error is probably in your HTML, not the JavaScript.

Kim Louis wrote on 24 sep 2003 in comp.lang.javascript:

document[imgName].src = eval(imgName + "off.src");

Why the eval ?

document[imgName].src = imgName + "off.src";

===

Special taskforce against the senseless proliferation of the evil eval.

--
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)

I'm new at this

function imgOn (imgName) {
if (document.images) {
document [imgName].src = eval(imgName + "on.src");
}
}

Who taught you to do this? Who told you to misuse the eval() function that way?
I want to know.

People who are new at this should never use eval(). Never. But you should get in
the habit of making your code more readable. It is hard to make it right if it
is hard to look at.

function imgOn(imgName) {
if (document.images) {
document[imgName].src = imgName + "on.src";
}
}

http://www.crockford.com/javascript/survey.html

hmm? i'm not sure why the eval is in there but if i take it out, none of
my images load...

any more suggestions?



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Thanks! I checked and checked my html but still can't find anything.
Would it be bad to post it to see if you can find something wrong?
Please forgive me if this is not appropriate.

<body bgcolor="#ffffff" text="#000000" link="#cc0000" alink="#66cc00"
vlink="#cc3333">
<table summary="This table contains links to the HVTN" cellpadding="1"
cellspacing="4" border="0" width="406">
<tr valign="center">
<td width="130" align="left">
<a accesskey="b" href="http://www.hvtn.org/">

<img src="images/hvtn.jpg" border="0" alt="HIV Vaccine Trials Network"
LONGDESC="http://www.hvtn.org/" width="130" height="82"></a>
</td>

<td width="360"><center>
<img src="images/hvtu.gif" border="0" alt="HIV Vaccine Trials Unit
Seattle, Washington"
LONGDESC="Welcome to the Fred Hutch HIV Vaccine Trials Unit"
width="360" height="127"></center>
</td>
<td width="150" align="right"><a accesskey="c"
href="http://www.fhcrc.org/">
<img src="images/fhcrc.gif" width="118" height="65"
border="0" alt="Fred Hutchinson Cancer Research Center"
LONGDESC="http://www.fhcrc.org/"></a>

<a href="http://www.washington.edu">
<img src="images/uw.gif" width="150" height="36"
border="0" alt="University of Washington"
LONGDESC="http://www.washington.edu/"></a></td>
</tr></table>

<hr width=100% size="4" color="#000000">

<table summary="This table contains links to other pages with in this
site"
cellpadding="1" cellspacing="0" border="0" width="630" >
<tr valign="top" align="left">
<td width="115" background="images/bg.gif" width="115" height="189">



&nbsp;

<a accesskey="d" href="volunteering.htm"
onMouseOver = "imgOn('image2')"
onMouseOut = "imgOff('image2')">
<img name="image2" src="images/volunteer-off.gif" border="0"
alt="Volunteering" LONGDESC="Link to how to volunteer for a HIV vaccine
trial"
width="115" height="21"></a>


<a accesskey="i" href="faq.htm"
onMouseOver = "imgOn('image3')"
onMouseOut = "imgOff('image3')">
<img name="image3" src="images/faq.gif-off" border="0"
alt="FAQs" LONGDESC="Link to list of frequently asked questions about
HIV vaccine trials"
width="115" height="21"></a>



<a accesskey="y" href="trials.htm"
onMouseOver = "imgOn('image4')"
onMouseOut = "imgOff('image4')">
<img name="image4" src="images/trials-off.gif" border="0" width="115"
height="21"
alt="Trials" LONGDESC="Link to information about our trials"></a>


<a accesskey="k" href="safety.htm"
onMouseOver = "imgOn('image5')"
onMouseOut = "imgOff('image5')">
<img name="image5" src="images/safety-off.gif" border="0" width="115"
height="21"
alt="Safety and Ethics page" LONGDESC="Link to information about safety
and ethics"></a>


<a accesskey="l" href="community.htm"
onMouseOver = "imgOn('image6')"
onMouseOut = "imgOff('image6')">
<img name="image6" src="images/community-off.gif" border="0"
alt="Community Education" LONGDESC="link to a description about our
Community Education"
width="115" height="21"></a>




<a accesskey="n" href="staff.htm"
onMouseOver = "imgOn('image7')"
onMouseOut = "imgOff('image7')">
<img name="image7" src="images/staff-off.gif" border="0" width="115"
height="21"
alt="Staff" LONGDESC="Link to a list of our staff"></a>


<a accesskey="o" href="Links.htm"
onMouseOver = "imgOn('image8')"
onMouseOut = "imgOff('image8')">
<img name="image8" src="images/links-off.gif" border="0" width="115"
height="21"
alt="Web Resources" LONGDESC="Link to other sites regarding HIV and
vaccines"></a>

<a accesskey="p" href="contacts.htm"
onMouseOver = "imgOn('image9')"
onMouseOut = "imgOff('image9')">
<img name="image9" src="images/contacts.gif" border="0" width="115"
height="21"
alt="Contact Information" LONGDESC="Link to how to contact the
HVTU"></a>


<p>

<br>

<br>

</td>


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Kim Louis wrote on 24 sep 2003 in comp.lang.javascript:

hmm? i'm not sure why the eval is in there but if i take it out, none of
my images load...

any more suggestions?

should not.

show us the code.

--
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)