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|
/*
Author : bieler batiste
Company : doSimple : http://www.dosimple.ch
send me a mail for more informations : faden@PASDEPOURRIELaltern.org -
// the timeout for the menu
var timeout = 1000;
// not very clean but simple
// the function can be run in the HTML for faster display
// window.onload=initMenu;
// creat timeout variables for list item
// it's for avoid some warning with IE
for( var i = 0; i < 100; i++ )
{
eval("var timeoutli" + i + " = false;");
}
// this fonction apply the CSS style and the event
function initMenu()
{
// a test to avoid some browser like IE4, Opera 6, and IE Mac
if ( browser.isDOM1
&& !( browser.isMac && browser.isIE )
&& !( browser.isOpera && browser.versionMajor < 7 )
&& !( browser.isIE && browser.versionMajor < 5 ) )
{
// get some element
var menu = document.getElementById('primary-links'); // the root element
var lis = menu.getElementsByTagName('li'); // all the li
// change the class name of the menu,
// it's usefull for compatibility with old browser
menu.className='menu';
// i am searching for ul element in li element
for ( var i=0; i<lis.length; i++ )
{
// is there a ul element ?
if ( lis.item(i).getElementsByTagName('ul').length > 0 )
{
// improve IE key navigation
if ( browser.isIE )
{
addAnEvent(lis.item(i),'keyup',show);
}
// link events to list item
addAnEvent(lis.item(i),'mouseover',show);
addAnEvent(lis.item(i),'mouseout',timeoutHide);
addAnEvent(lis.item(i),'blur',timeoutHide);
addAnEvent(lis.item(i),'focus',show);
// add an id to list item
lis.item(i).setAttribute( 'id', "li"+i );
}
}
}
}
function addAnEvent( target, eventName, functionName )
{
// apply the method to IE
if ( browser.isIE )
{
//attachEvent dont work properly with this
eval('target.on'+eventName+'=functionName');
}
// apply the method to DOM compliant browsers
else
{
target.addEventListener( eventName , functionName , true ); // true is important for Opera7
}
}
// hide the first ul element of the current element
function timeoutHide()
{
// start the timeout
eval( "timeout" + this.id + " = window.setTimeout('hideUlUnder( \"" + this.id + "\" )', " + timeout + " );");
}
// hide the ul elements under the element identified by id
function hideUlUnder( id )
{
document.getElementById(id).getElementsByTagName('ul')[0].style['visibility'] = 'hidden';
}
// show the first ul element found under this element
function show()
{
// show the sub menu
this.getElementsByTagName('ul')[0].style['visibility'] = 'visible';
var currentNode=this;
while(currentNode)
{
if( currentNode.nodeName=='LI')
{
currentNode.getElementsByTagName('a')[0].className = 'linkOver';
}
currentNode=currentNode.parentNode;
}
// clear the timeout
eval ( "clearTimeout( timeout"+ this.id +");" );
hideAllOthersUls( this );
}
// hide all ul on the same level of this list item
function hideAllOthersUls( currentLi )
{
var lis = currentLi.parentNode;
for ( var i=0; i<lis.childNodes.length; i++ )
{
if ( lis.childNodes[i].nodeName=='LI' && lis.childNodes[i].id != currentLi.id )
{
hideUlUnderLi( lis.childNodes[i] );
}
}
}
// hide all the ul wich are in the li element
function hideUlUnderLi( li )
{
var as = li.getElementsByTagName('a');
for ( var i=0; i<as.length; i++ )
{
as.item(i).className="";
}
var uls = li.getElementsByTagName('ul');
for ( var i=0; i<uls.length; i++ )
{
uls.item(i).style['visibility'] = 'hidden';
}
} |
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