var mmOpenContainer = null;
var mmActiveTrigger = null;
var mmOpenMenus = null;
var mmHideMenuTimer = null;
var mmResetBackgroundColor = null;
var mmResetBackgroundImage = null;


// Position des Layers abfragen
function getPos (layerId) {
  var obj = document.getElementById(layerId);
  var pos = {left:0, top:0};

	if(typeof obj.offsetLeft != 'undefined')
	{
	   while (obj)
	   {
		   pos.left += obj.offsetLeft;
		   pos.top += obj.offsetTop;
		   obj = obj.offsetParent;
	   }
	}
	else
	{
	   pos.left = obj.left ;
	   pos.top = obj.top ;
	}
return pos;
}
// --------------------------------------


function MM_menuStartTimeout(hideTimeout) {
	mmHideMenuTimer = setTimeout("MM_menuHideMenus()", hideTimeout);	
}

function MM_menuHideMenus() {
	
	MM_menuResetTimeout();
	
	if(mmActiveTrigger) {
		var tr = document.getElementById(mmActiveTrigger);
		tr.style.backgroundColor = mmResetBackgroundColor;
		tr.style.backgroundImage = mmResetBackgroundImage;
		mmActiveTrigger = null;
	}
	
	if(mmOpenContainer) {
		var c = document.getElementById(mmOpenContainer);
		c.style.visibility = "hidden";
		mmOpenContainer = null;
	}
	
	if( mmOpenMenus ) {
		for(var i in mmOpenMenus) {
			var m = document.getElementById(mmOpenMenus[i]);
			m.style.visibility = "hidden";			
		}
		mmOpenMenus = null;
	}
	
}

function MM_menuHideSubmenus(menuName) {
	if( mmOpenMenus ) {
		var h = false;
		var c = 0;
		for(var i in mmOpenMenus) {
			if( h ) {
				var m = document.getElementById(mmOpenMenus[i]);
				m.style.visibility = "hidden";
			} else if( mmOpenMenus[i] == menuName ) {
				h = true;
			} else {
				c++;
			}
		}
		mmOpenMenus.length = c+1;
	}
}

function MM_menuOverMenuItem(menuName, subMenuSuffix) {
	MM_menuResetTimeout();
	MM_menuHideSubmenus(menuName);
	if( subMenuSuffix ) {
		var subMenuName = "" + menuName + "_" + subMenuSuffix;
		MM_menuShowSubMenu(subMenuName);
	}
}

function MM_menuShowSubMenu(subMenuName) {
	MM_menuResetTimeout();
	var e = document.getElementById(subMenuName);
	e.style.visibility = "inherit";
	if( !mmOpenMenus ) {
		mmOpenMenus = new Array;
	}
	mmOpenMenus[mmOpenMenus.length] = "" + subMenuName;
}

function MM_menuResetTimeout() {
	if (mmHideMenuTimer) clearTimeout(mmHideMenuTimer);
	mmHideMenuTimer = null;
}

function MM_menuShowMenu(containName, menuName, xOffset, yOffset, triggerName) {
	MM_menuHideMenus();
	MM_menuResetTimeout();
	MM_menuShowMenuContainer(containName, xOffset, yOffset, triggerName);
	MM_menuShowSubMenu(menuName);
	
	
}

function MM_menuShowMenuContainer(containName, x, y, triggerName) {	
	// Style Attribute für Wiederherstelltung abfragen
	var tr = document.getElementById(triggerName);
	mmResetBackgroundColor = "" + tr.style.backgroundColor;
	mmResetBackgroundImage = "" + tr.style.backgroundImage;
	
	tr.style.backgroundColor = "#ECF3CF";
	tr.style.backgroundImage = "none";
	tr.style.borderTopWidth = "0px";
	tr.style.borderRightWidth = "0px";
	tr.style.borderBottomWidth = "0px";
	tr.style.borderLeftWidth = "1px";
	tr.style.borderStyle = "solid";
	tr.style.borderLeftColor = "#CEE272";

	var pageContainerPos = getPos('pageContainer');
	var pageContainerPosLeft = pageContainerPos.left;
	var targetPos = getPos(triggerName);
	var targetPosLeft = targetPos.left - pageContainerPosLeft;
	var targetPosTop = targetPos.top + 27;
	var c = document.getElementById(containName);
	var s = c.style;
	s.left = targetPosLeft + "px";
	s.top = targetPosTop + "px";
	s.visibility = "inherit";
	mmOpenContainer = "" + containName;
	mmActiveTrigger = "" + triggerName;
	
}