function menuVisibility()
{



	var menu = document.getElementById('menu');
	
	//hledej vsechny ULka

	if (document.all && navigator.userAgent.indexOf("Opera")==-1) {
                createIframes(menu);
        }

}


function createIframes(element)
{



	var ifr;
	var ul = element.getElementsByTagName('UL');
	for (var i = 0; i < ul.length; i++)
	{
	    
		if (i==0) continue; //celkovy UL prvni urovne se nevypina
		
                
                
		
		//vytvorime iFrame
		ifr = document.createElement('iframe');
		ifr.scrolling ='no';
		//ifr.src = 'javascript:false';
		ifr.style.position = 'absolute';
		
		
		ifr.style.width = (ul[i].offsetWidth+4) + 'px';
		ifr.style.height = ul[i].offsetHeight + 'px';
		
		ifr.style.left = (ul[i].offsetLeft-2) + 'px';
		ifr.style.top = ul[i].offsetTop + 'px';
		ifr.frameBorder = '0';
		
		//ifr.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)';
				
		
		ul[i].parentNode.insertBefore(ifr, ul[i].nextSibling);
		
		
	}
	
}


//addEvent(window,'load',menuVisibility);