function SDMenu(id) {
	if (!document.getElementById || !document.getElementsByTagName)
		return false;
	this.menu = document.getElementById(id);
	this.submenus = this.menu.getElementsByTagName("div");
	this.remember = false;
	this.speed = 3;
	this.markCurrent = true;
	this.oneSmOnly = true;
}
SDMenu.prototype.init = function() {
	var mainInstance = this;
	for (var i = 0; i < this.submenus.length; i++)
		 if (this.submenus[ i ].getElementsByTagName( "span" ).length)
        this.submenus[ i ].getElementsByTagName( "span" )[ 0 ].onclick = function() {
			mainInstance.toggleMenu(this.parentNode);
		};
	if (this.markCurrent) {
		var links = this.menu.getElementsByTagName("a");
		for (var i = 0; i < links.length; i++)
			if (links[i].href == document.location.href) {
				links[i].className = "current";
				break;
			}
	}
	if (this.remember) {
		var regex = new RegExp("sdmenu_" + encodeURIComponent(this.menu.id) + "=([01]+)");
		var match = regex.exec(document.cookie);
		if (match) {
			var states = match[1].split("");
			for (var i = 0; i < states.length ; i++) {
				this.submenus[i].className = (states[i] == 0 ? "collapsed" : "");
			}
		}
	}
};
SDMenu.prototype.toggleMenu = function(submenu) {
	if (submenu.className == "collapsed")
		this.expandMenu(submenu);
	else
		this.collapseMenu(submenu);
};
SDMenu.prototype.expandMenu = function(submenu) {
	var fullHeight = submenu.getElementsByTagName("span")[0].offsetHeight;
	var links = submenu.getElementsByTagName("a");
	for (var i = 0; i < links.length; i++)
		fullHeight += links[i].offsetHeight;
	var moveBy = Math.round(this.speed * links.length);
	
	var mainInstance = this;
	var intId = setInterval(function() {
		var curHeight = submenu.offsetHeight;
		var newHeight = curHeight + moveBy;
		if (newHeight < fullHeight)
			submenu.style.height = newHeight + "px";
		else {
			clearInterval(intId);
			submenu.style.height = "";
			submenu.className = "";
			mainInstance.memorize();
		}
	}, 30);
	this.collapseOthers(submenu);
};
SDMenu.prototype.collapseMenu = function(submenu) {
	if (submenu.getElementsByTagName("span").length) {
		var minHeight = submenu.getElementsByTagName("span")[0].offsetHeight;
		var moveBy = Math.round(this.speed * submenu.getElementsByTagName("a").length);
		var mainInstance = this;
		var intId = setInterval(function() {
			var curHeight = submenu.offsetHeight;
			var newHeight = curHeight - moveBy;
			if (newHeight > minHeight)
				submenu.style.height = newHeight + "px";
			else {
				clearInterval(intId);
				submenu.style.height = "";
				submenu.className = "collapsed";
				mainInstance.memorize();
			}
		}, 30);
	}
};
SDMenu.prototype.collapseOthers = function(submenu) {
	if (this.oneSmOnly) {
		for (var i = 0; i < this.submenus.length; i++)
			if (this.submenus[i] != submenu && this.submenus[i].className != "collapsed")
				this.collapseMenu(this.submenus[i]);
	}
};
SDMenu.prototype.expandAll = function() {
	var oldOneSmOnly = this.oneSmOnly;
	this.oneSmOnly = false;
	for (var i = 0; i < this.submenus.length; i++)
		if (this.submenus[i].className == "collapsed")
			this.expandMenu(this.submenus[i]);
	this.oneSmOnly = oldOneSmOnly;
};
SDMenu.prototype.collapseAll = function() {
	for (var i = 0; i < this.submenus.length; i++)
		if (this.submenus[i].className != "collapsed")
			this.collapseMenu(this.submenus[i]);
};
SDMenu.prototype.memorize = function() {
	if (this.remember) {
		var states = new Array();
		for (var i = 0; i < this.submenus.length; i++)
			states.push(this.submenus[i].className == "collapsed" ? 0 : 1);
		var d = new Date();
		d.setTime(d.getTime() + (30 * 24 * 60 * 60 * 1000));
		document.cookie = "sdmenu_" + encodeURIComponent(this.menu.id) + "=" + states.join("") + "; expires=" + d.toGMTString() + "; path=/";
	}
};



/*--------------------------------------------------------------*/
/*AJOUT TM 01/07/2009 pour menu ie -----------------------------*/
/*--------------------------------------------------------------*/



function menumorph()
{
	monul0 = document.getElementById("nav");
	for(x=0;x<monul0.getElementsByTagName('ul').length;x++)
	{
		monul0.getElementsByTagName('ul')[x].style.display="none";
		monul0.getElementsByTagName('ul')[x].id="ul"+x;
	}

	for(xx=0;xx<monul0.getElementsByTagName('a').length;xx++)
	{
		if(monul0.getElementsByTagName('a')[xx].parentNode.getElementsByTagName('ul').length!="0")
			{
			monul0.getElementsByTagName('a')[xx].href="javascript:menumanager('"+monul0.getElementsByTagName('a')[xx].parentNode.getElementsByTagName('ul')[0].id+"');";
			//monul0.getElementsByTagName('a')[xx].setAttribute("onclick","menumanager('"+monul0.getElementsByTagName('a')[xx].parentNode.getElementsByTagName('ul')[0].id+"');return false;");
			}
	}

}
function niveaumenu(monul)
{
	if(monul.parentNode.parentNode.id=='nav')return '1';
	if(monul.parentNode.parentNode.parentNode.parentNode.id=='nav')return '2';	
	if(monul.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.id=='nav')return '3';
}

tmpniv1="";
tmpniv2="";
tmpniv3="";
varduree=0.2;

function menumanager(monul)
{
		monul1=document.getElementById(monul);
		niveaumonul = niveaumenu(monul1);

		if ((eval("tmpniv"+niveaumonul)!="") && (eval("tmpniv"+niveaumonul)!=monul))
		{
			if(niveaumonul==1 && tmpniv1!="" )
				{
				if(tmpniv3!=""){Effect.BlindUp(tmpniv3, { duration: varduree });tmpniv3="";	}
				if(tmpniv2!=""){Effect.BlindUp(tmpniv2, { duration: varduree });tmpniv2="";	}
				Effect.BlindUp(tmpniv1, { duration: varduree });tmpniv1="";
				}

			if(niveaumonul==2 &&tmpniv2!="")
				{
				if(tmpniv3!=""){Effect.BlindUp(tmpniv3, { duration: varduree });tmpniv3="";	}
				Effect.BlindUp(tmpniv2, { duration: varduree });tmpniv2="";
				}
		}

		if(monul1.style.display=="none")
			{
			Effect.BlindDown(monul, { duration: varduree }); 
			eval("tmpniv"+niveaumonul+"=monul");
			}
		else
			{
			Effect.BlindUp(monul, { duration: varduree }); 
			eval("tmpniv"+niveaumonul+"=''");
			}
}

Event.observe(window, 'load', menumorph);