selected_menu='-';

function menu_over(menupont) 
{
	document.getElementById(menupont).style.background= 'url(images/site/menu_over.jpg) no-repeat';
}

function menu_out(menupont) 
{
	document.getElementById(menupont).style.background= 'url(images/site/menu_out.jpg) no-repeat';
	if ( (document.getElementById(menupont + '_almenu').style.display == '' ) )
	{
		document.getElementById(menupont).style.background= 'url(images/site/menu_over.jpg) no-repeat';
	}
}

function menu_click(menupont) 
{
	if (selected_menu!='-')
	{
		document.getElementById(selected_menu).style.background= 'url(images/site/menu_out.jpg) no-repeat';
		document.getElementById(selected_menu + '_almenu').style.display='none';
	}		
	
	document.getElementById(menupont + '_almenu').style.display='';
	selected_menu=menupont;
}