//Event.observe( window, 'load', function() { initialize();} );

function initialize()
{
	$$('.submenu').each( function( elmnt ){ hideSubmenu(elmnt); } );
}

function hideSubmenu(elmnt)
{
	$(elmnt).hide();
}

function initMenuImage(elmnt)
{
	$(elmnt).src = 'themes/default/openMenu.gif';
	$(elmnt).alt = 'Ανοιγμα';
}

function openCloseSubMenu( imageElement, submenuId )
{
	$$('.openCloseImage').each( function( elmnt ){ initMenuImage(elmnt); } );
	
	if( $(submenuId).visible() )
	{
		$(submenuId).hide();
		imageElement.src = 'themes/default/openMenu.gif';
		imageElement.alt = 'Ανοιγμα';
	}
	else
	{
		$$('.submenu').each( function( elmnt ){hideSubmenu(elmnt);});
		$(submenuId).show();
		imageElement.src  = 'themes/default/closeMenu.gif';
		imageElement.alt = 'Κλείσιμο';
	}
	
}