var submenu_started = false ;

	function submenu_starter ()
	{
		if (submenu_started) return false ;
	
		if ( true )
		{
			var nodes = document.getElementById ('menu_open').getElementsByTagName ('li') ;
			
			for ( var i = 0 ; i < nodes.length ; i++ )
				document.getElementById ('menu_open').getElementsByTagName ('li')[i].onmouseover = function () { if (this.getElementsByTagName ('ul')[0]) this.getElementsByTagName ('ul')[0].style.display = 'block' ; }
			
			for ( var i = 0 ; i < nodes.length ; i++ )
				document.getElementById ('menu_open').getElementsByTagName ('li')[i].onmouseout = function () { if (this.getElementsByTagName ('ul')[0]) this.getElementsByTagName ('ul')[0].style.display = 'none' ; }
		}
	
		submenu_started = true ;
	}