var holder = "menu1";
		var overMenu = false;
		
		function show_hide_layer(nome_layer)
		{
			elm = document.getElementById(nome_layer);
			elm.style.display = (elm.style.display == '') ? 'none' : '';
		}
		
		function getMenu(mm)
		{
		overMenu = true;
		window.clearTimeout(closeMenu);
		document.getElementById([holder]).style.visibility = "hidden";
		holder=[mm];
		document.getElementById([holder]).style.visibility = "visible";
		}
		
		function hideMenu()
		{
		document.getElementById([holder]).style.visibility = "hidden";
		}
		
		function cleanUp()
		{
		overMenu = false;
		setTimeout("closeMenu()", 4000);
		}
		
		function retainMenu()
		{
		overMenu = true;
		window.clearTimeout(closeMenu);
		}
		
		function closeMenu()
		{
		if(!overMenu)
		{
		document.getElementById([holder]).style.visibility = "hidden";
		}
		}
		
function swap(what,state) {
			objImage = eval("document."+ what);
			objImage.src = "http://www.mz-ir.com/tim/novo/img/" + what + "_" + state + ".gif";
		}
function swapEnglish(what,state) {
	objImage = eval("document."+ what);
	objImage.src = "http://www.mz-ir.com/tim/novo/img_english/" + what + "_" + state + ".gif";
}