// JavaScript Document
    if (document.images)
    {
      preload_image = new Image(311,12); 
      preload_image.src="../IMAGES/b-bottom.png"; 
	  preload_image = new Image(311,2); 
      preload_image.src="../IMAGES/b-middle.png"; 
	  preload_image = new Image(311,31); 
      preload_image.src="../IMAGES/b-top.png"; 
    }
	
var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

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

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

// close layer when click-out
document.onclick = mclose; 

function showToolTip(e,elem){
	if(document.all)e = event;
	
	var obj = document.getElementById('bubble_tooltip');
	var obj2 = document.getElementById('bubble_tooltip_content');
	var text = document.getElementById(elem).innerHTML;
	obj2.innerHTML = text;
	obj.style.display = 'block';
	var st = Math.max(document.body.scrollTop,document.documentElement.scrollTop);
	if(navigator.userAgent.toLowerCase().indexOf('safari')>=0)st=0; 
	var leftPos = e.clientX - 350;
	if(leftPos<0)leftPos = 0;
	obj.style.left = leftPos + 'px';
	obj.style.top = e.clientY  - 15 + st + 'px';
}	

function hideToolTip()
{
	document.getElementById('bubble_tooltip').style.display = 'none';
	
}