/******************************************
 * DropDown Menu  - Functions                       *
 ******************************************/

var opensub = 0;
var timeout	= 500;
var closetimer	= 0;

// display submenu
function showSubmenu(parenty,id) {
	
	if(document.getElementById('subnav_' + id)){
		
		mcancelclosetime();

		if(opensub && opensub != document.getElementById('subnav_' + id))
			opensub.style.display = 'none';
		
		opensub = document.getElementById('subnav_' + id);
		
	  var from_left = parenty.offsetLeft;
	  if(navigator.appName.indexOf("Explorer") != -1)
	    from_left += parenty.parentNode.offsetLeft;
		
		document.getElementById('subnav_' + id).style.left      = from_left + 'px';
		document.getElementById('subnav_' + id).style.display = 'block'; 

	}
	return false;
}

// close showed layer
function mclose()
{

	if(opensub)
		opensub.style.display = 'none';
	
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// Navigation Highlight

function startHighlight(element) 
{
  
  if (element.className == 'navL1')
    element.className = 'navL1o';
}


function endHighlight(element) 
{
  if (element.className == 'navL1o')
    element.className = 'navL1';
}