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Code: Alles auswählen

sfHover = function() {
var sfEls = document.getElementById("nav").getElementsByTagName("LI");
for (var i=0; i<sfEls.length; i++) {
sfEls[i].onmouseover=function() {
this.className+=" sfhover";
}
sfEls[i].onmouseout=function() {
this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
}
}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

Code: Alles auswählen

#nav, #nav ul {
padding: 0;
margin: 0;
list-style: none;
}
#nav a {
display: block;
width: 10em;
}
#nav li {
float: left;
width: 10em;
font-size: 12;
}
#nav li ul {
position: absolute;
width: 10em;
left: -300em; 
font-size: 8;
text-align: left;
}
#nav li:hover ul {
left: auto;
}

Code: Alles auswählen

<div id="navigation">
<li>MenuPunkt 1
	<ul>
	<li><a href="xxx">MenuPunkt 1a</a></li>
	<li><a href="xxx">MenuPunkt 1b</a></li>
	</ul>
</li>
<li>MenuPunkt 2
	<ul>
	<li><a href="xxx">MenuPunkt 2a</a></li>
	<li><a href="xxx">MenuPunkt 2b</a></li>
	<li><a href="xxx">MenuPunkt 2c</a></li>
	</ul>
...
</div>

Code: Alles auswählen

<attach event="ondocumentready" handler="parseStylesheets" />
<script>
/**
 *Whatever:hover - V1.41.050927 - hover & active
 *------------------------------------------------------------
 *(c) 2005 - Peter Nederlof
 *Peterned - http://www.xs4all.nl/~peterned/
 *License  - http://creativecommons.org/licenses/LGPL/2.1/
 *
 *Whatever:hover is free software; you can redistribute it and/or
 *modify it under the terms of the GNU Lesser General Public
 *License as published by the Free Software Foundation; either
 *version 2.1 of the License, or (at your option) any later version.
 *
 *Whatever:hover is distributed in the hope that it will be useful,
 *but WITHOUT ANY WARRANTY; without even the implied warranty of
 *MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 *Lesser General Public License for more details.
 *
 *Credits and thanks to:
 *Arnoud Berendsen, Martin Reurings, Robert Hanson
 *
 *howto: body { behavior:url("csshover.htc"); }
 *------------------------------------------------------------
 */

var csshoverReg = /(^|\s)(([^a]([^ ]+)?)|(a([^#.][^ ]+)+)):(hover|active)/i,
currentSheet, doc = window.document, hoverEvents = [], activators = {
onhover:{on:'onmouseover', off:'onmouseout'},
onactive:{on:'onmousedown', off:'onmouseup'}
}

function parseStylesheets() {
if(!/MSIE (5|6)/.test(navigator.userAgent)) return;
window.attachEvent('onunload', unhookHoverEvents);
var sheets = doc.styleSheets, l = sheets.length;
for(var i=0; i<l; i++) 
parseStylesheet(sheets[i]);
}
function parseStylesheet(sheet) {
if(sheet.imports) {
try {
var imports = sheet.imports, l = imports.length;
for(var i=0; i<l; i++) parseStylesheet(sheet.imports[i]);
} catch(securityException){}
}

try {
var rules = (currentSheet = sheet).rules, l = rules.length;
for(var j=0; j<l; j++) parseCSSRule(rules[j]);
} catch(securityException){}
}

function parseCSSRule(rule) {
var select = rule.selectorText, style = rule.style.cssText;
if(!csshoverReg.test(select) || !style) return;

var pseudo = select.replace(/[^:]+:([a-z-]+).*/i, 'on$1');
var newSelect = select.replace(/(\.([a-z0-9_-]+):[a-z]+)|(:[a-z]+)/gi, '.$2' + pseudo);
var className = (/\.([a-z0-9_-]*on(hover|active))/i).exec(newSelect)[1];
var affected = select.replace(/:(hover|active).*$/, '');
var elements = getElementsBySelect(affected);
if(elements.length == 0) return;

currentSheet.addRule(newSelect, style);
for(var i=0; i<elements.length; i++)
new HoverElement(elements[i], className, activators[pseudo]);
}

function HoverElement(node, className, events) {
if(!node.hovers) node.hovers = {};
if(node.hovers[className]) return;
node.hovers[className] = true;
hookHoverEvent(node, events.on, function() { node.className += ' ' + className; });
hookHoverEvent(node, events.off, function() { node.className = node.className.replace(new RegExp('\\s+'+className, 'g'),''); });
}
function hookHoverEvent(node, type, handler) {
node.attachEvent(type, handler);
hoverEvents[hoverEvents.length] = { 
node:node, type:type, handler:handler 
};
}

function unhookHoverEvents() {
for(var e,i=0; i<hoverEvents.length; i++) {
e = hoverEvents[i]; 
e.node.detachEvent(e.type, e.handler);
}
}

function getElementsBySelect(rule) {
var parts, nodes = [doc];
parts = rule.split(' ');
for(var i=0; i<parts.length; i++) {
nodes = getSelectedNodes(parts[i], nodes);
}return nodes;
}
function getSelectedNodes(select, elements) {
var result, node, nodes = [];
var identify = (/\#([a-z0-9_-]+)/i).exec(select);
if(identify) return [doc.getElementById(identify[1])];

var classname = (/\.([a-z0-9_-]+)/i).exec(select);
var tagName = select.replace(/(\.|\#|\:)[a-z0-9_-]+/i, '');
var classReg = classname? new RegExp('\\b' + classname[1] + '\\b'):false;
for(var i=0; i<elements.length; i++) {
result = tagName? elements[i].all.tags(tagName):elements[i].all; 
for(var j=0; j<result.length; j++) {
node = result[j];
if(classReg && !classReg.test(node.className)) continue;
nodes[nodes.length] = node;
}
}return nodes;
}
</script>