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BeTheBall
Posts: 6381
Joined: 6/21/2002
From: West Point Utah USA
Status: offline
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Odd Behaviour - 5/15/2006 14:59:07
I am trying to add the"Son of Suckerfish" menu to a site I am working on. This menu takes an unordered list and converts it to a dropdown menu system. I observed something that I am having trouble understanding. If I remove the background color from the list it breaks it. This is what happens - the middle and right links expand as they should but as you move the pointer down the sub options the options disappear before you can move the pointer over all of them. This only happens if I remove the background color. I don't understand how a simple attribute like that could have that kind of effect. Here is the code for my test page:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<html>
<head>
<title>Suckerfish Dropdowns - Perciformes!</title>
<style type="text/css">
#nav, #nav ul {
float: left;
width: 100%;
list-style: none;
line-height: 1;
background-color: white;
font-weight: bold;
padding: 0;
border: solid #eda;
border-width: 1px 0;
margin: 0 0 1em 0;
}
#nav a {
display: block;
width: 10em;
w\idth: 6em;
color: #7C6240;
text-decoration: none;
padding: 0.25em 2em;
}
#nav a.daddy {
background: url(rightarrow2.gif) center right no-repeat;
}
#nav li {
float: left;
padding: 0;
width: 10em;
}
#nav li ul {
position: absolute;
left: -999em;
height: auto;
width: 14.4em;
w\idth: 13.9em;
font-weight: normal;
border-width: 0.25em;
margin: 0;
}
#nav li li {
padding-right: 1em;
width: 13em
}
#nav li ul a {
width: 13em;
w\idth: 9em;
}
#nav li ul ul {
margin: -1.75em 0 0 14em;
}
#nav li:hover ul ul, #nav li:hover ul ul ul, #nav li.sfhover ul ul, #nav li.sfhover ul ul ul {
left: -999em;
}
#nav li:hover ul, #nav li li:hover ul, #nav li li li:hover ul, #nav li.sfhover ul, #nav li li.sfhover ul, #nav li li li.sfhover ul {
left: auto;
}
#nav li:hover, #nav li.sfhover {
background: #eda;
}
</style>
<script type="text/javascript"><!--//--><![CDATA[//><!--
sfHover = function() {
var sfEls = document.getElementById("nav").getElementsByTagName("LI");
for (var i=0; i<sfEls.length; i++) {
sfEls.onmouseover=function() {
this.className+=" sfhover";
}
sfEls.onmouseout=function() {
this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
}
}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);
//--><!]]></script>
</head>
<body>
<ul id="nav">
<li><a href="#">Percoidei</a>
<ul>
<li><a href="#" class="daddy">Remoras</a>
<ul>
<li><a href="#" class="daddy">Echeneis</a>
<ul>
<li><a href="#">Sharksucker</a></li>
<li><a href="#">Whitefin Sharksucker</a></li>
</ul>
</li>
<li><a href="#" class="daddy">Phtheirichthys</a>
<ul>
<li><a href="#">Slender Suckerfish</a></li>
</ul>
</li>
<li><a href="#" class="daddy">Remora</a>
<ul>
<li><a href="#">Whalesucker</a></li>
<li><a href="#">Spearfish remora</a></li>
<li><a href="#">Marlinsucker</a></li>
<li><a href="#">Remora</a></li>
<li><a href="#">Ceylonese remora</a></li>
</ul>
</li>
<li><a href="#" class="daddy">Remorina</a>
<ul>
<li><a href="#">White suckerfish</a></li>
</ul>
</li>
<li><a href="#" class="daddy">Rhombochirus</a>
<ul>
<li><a href="#">R. osteochir</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#" class="daddy">Tilefishes</a>
<ul>
<li><a href="#">Caulolatilus</a></li>
<li><a href="#">Lopholatilus</a></li>
<li><a href="#">Malacanthus</a></li>
</ul>
</li>
<li><a href="#" class="daddy">Bluefishes</a>
<ul>
<li><a href="#">Pomatomus</a></li>
<li><a href="#">Scombrops</a></li>
<li><a href="#">Sphyraenops</a></li>
</ul>
</li>
<li><a href="#" class="daddy">Tigerfishes</a>
<ul>
<li><a href="#">Amniataba</a></li>
<li><a href="#">Bidyanus</a></li>
<li><a href="#">Hannia</a></li>
<li><a href="#">Hephaestus</a></li>
<li><a href="#">Lagusia</a></li>
<li><a href="#">Leiopotherapon</a></li>
<li><a href="#">Mesopristes</a></li>
<li><a href="#">Pelates</a></li>
<li><a href="#">Pelsartia</a></li>
<li><a href="#">Pingalla</a></li>
<li><a href="#">Rhyncopelates</a></li>
<li><a href="#">Scortum</a></li>
<li><a href="#">Syncomistes</a></li>
<li><a href="#">Terapon</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#">Anabantoidei</a>
<ul>
<li><a href="#" class="daddy">Climbing perches</a>
<ul>
<li><a href="#">Anabas</a></li>
<li><a href="#">Ctenopoma</a></li>
</ul>
</li>
<li><a href="#" class="daddy">Labyrinthfishes</a>
<ul>
<li><a href="#">Belontia</a></li>
<li><a href="#">Betta</a></li>
<li><a href="#">Colisa</a></li>
<li><a href="#">Macropodus</a></li>
<li><a href="#">Malpulutta</a></li>
<li><a href="#">Parosphromenus</a></li>
<li><a href="#">Sphaerichthys</a></li>
<li><a href="#">Trichogaster</a></li>
<li><a href="#">Trichopsis</a></li>
</ul>
</li>
<li><a href="#">Kissing gouramis</a></li>
<li><a href="#">Pike-heads</a></li>
<li><a href="#">Giant gouramis</a></li>
</ul>
</li>
<li><a href="#">Gobioidei</a>
<ul>
<li><a href="#">Burrowing gobies</a></li>
<li><a href="#">Dartfishes</a></li>
<li><a href="#">Eellike gobies</a></li>
<li><a href="#">Gobies</a></li>
<li><a href="#">Loach gobies</a></li>
<li><a href="#">Odontobutidae</a></li>
<li><a href="#">Sandfishes</a></li>
<li><a href="#">Schindleriidae</a></li>
<li><a href="#">Sleepers</a></li>
<li><a href="#">Xenisthmidae</a></li>
</ul>
</li>
</ul>
</body>
</html>
View the page in IE and it should work fine. Then remove this line:
background-color: white;
Hover over the items in the center and right lists and you should see what I am talking about.
_____________________________
Duane
Some people are like Slinkies . . . Not really good for anything . . . . . But they still bring a smile to your face when you push them down a flight of stairs.
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Tailslide
Posts: 6296
Joined: 5/10/2005
From: Out here on the raggedy edge
Status: offline
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RE: Odd Behaviour - 5/15/2006 17:36:34
Hi Duane
It's very odd - never noticed it before. Has to be an actual colour too - not just "inherit" or "transparent".
BTW - there's a slight difference in the Javascript of the version in your post - should be:
<script type="text/javascript"><!--//--><![CDATA[//><!--
sfHover = function() {
var sfEls = document.getElementById("nav").getElementsByTagName("LI");
for (var i=0; i<sfEls.length; i++) {
sfEls.onmouseover=function() {
this.className+=" sfhover";
}
sfEls.onmouseout=function() {
this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
}
}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);
//--><!]]></script>
Doesn't make any difference as far as working/not working goes though!
Edit: sorry - can't get the correct Javascript to paste onto this post correctly - it misses out the vital bit (which is probably why it's not in your post either Duane - not your error!
This bit won't appear in the code box (with added slashes):
sfEls/[/i/]/.onmouseover=function() { and same for mouseout
< Message edited by Tailslide -- 5/15/2006 17:50:10 >
_____________________________
"My strategy is so simple an idiot could have devised it"
Little Blue Plane Web Design | Blood, Sweat & Rust - A Land Rover restoration project
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BeTheBall
Posts: 6381
Joined: 6/21/2002
From: West Point Utah USA
Status: offline
|
RE: Odd Behaviour - 5/15/2006 19:50:56
Thanks for taking a look. It is a bit of a relief to know it's not just me.
_____________________________
Duane
Some people are like Slinkies . . . Not really good for anything . . . . . But they still bring a smile to your face when you push them down a flight of stairs.
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