Сценарий:
//Nested Side Bar Menu (Mar 20th, 09)
//By Dynamic Drive: http://www.dynamicdrive.com/style/
var menuids=["sidebarmenu1"] //Enter id(s) of each Side Bar Menu's main UL, separated by commas
var defaultDelay = 0; //ms
function initsidebarmenu(){
for (var i=0; i<menuids.length; i++){
var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul");
for (var t=0; t<ultags.length; t++){
ultags[t].parentNode.getElementsByTagName("a")[0].className+=" subfolderstyle";
if (ultags[t].parentNode.parentNode.id==menuids[i]){ //if this is a first level submenu
ultags[t].style.left=ultags[t].parentNode.offsetWidth+"px"; //dynamically position first level submenus to be width of main menu item
} else{ //else if this is a sub level submenu (ul)
ultags[t].style.left=ultags[t-1].getElementsByTagName("a")[0].offsetWidth+"px"; //position menu to the right of menu item that activated it
}
ultags[t].parentNode.onmouseover=function(){
var elem = this.getElementsByTagName("ul")[0];
if (elem){
if (elem.timer){
clearTimeout(elem.timer);
}
elem.timer=0;
elem.style.display="block";
}
}
ultags[t].parentNode.onmouseout=function(){
var elem = this.getElementsByTagName("ul")[0];
if (elem){
var delay = defaultDelay;
if (elem.parentNode && elem.parentNode.parentNode && elem.parentNode.parentNode.className){
var match = /submenu-delay-([0-9]*)/i.exec(elem.parentNode.parentNode.className);
delay = (match && (match.length > 1)) ? match[1] : defaultDelay;
}
elem.timer=setTimeout(function(){
elem.style.display="none";
}, delay);
}
};
}
for (var t=ultags.length-1; t>-1; t--){ //loop through all sub menus again, and use "display:none" to hide menus (to prevent possible page scrollbars
ultags[t].style.visibility="visible"
ultags[t].style.display="none"
}
}
}
if (window.addEventListener)
window.addEventListener("load", initsidebarmenu, false)
else if (window.attachEvent)
window.attachEvent("onload", initsidebarmenu)
HTML:
<div class="sidebarmenu">
<ul id="sidebarmenu1" class='submenu-delay-1000'>
<li><a href="#">Item 1</a></li>
<li><a href="#">Item 2</a></li>
<li><a href="#">Folder 1</a>
<ul>
<li><a href="#">Sub Item 1.1</a></li>
<li><a href="#">Sub Item 1.2</a></li>
</ul>
</li>
<li><a href="#">Item 3</a></li>
<li><a href="#">Folder 2</a>
<ul>
<li><a href="#">Sub Item 2.1</a></li>
<li><a href="#">Folder 2.1</a>
<ul>
<li><a href="#">Folder 2.1.1</a>
<ul class='submenu-delay-5000'>
<li><a href="#">Sub Item 2.1.1.1</a></li>
<li><a href="#">Sub Item 2.1.1.2</a></li>
<li><a href="#">Folder 2.1.1.3</a>]
<ul >
<li><a href="#">Sub Item 2.1.1.3.1</a></li>
<li><a href="#">Sub Item 2.1.1.3.2</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#">Sub Item 2.1.2</a></li>
<li><a href="#">Sub Item 2.1.3</a></li>
<li><a href="#">Sub Item 2.1.4</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#">Item 4</a></li>
</ul>
</div>