window.onload=init;
var nb_de_menus = 3;
function montre() {
  if ( this.id != undefined )
  {
    theid = this.id;
    theid = theid.replace( /menu/, '');
    var d = ( document.getElementById('smenu'+theid) );
  }
  if (d) 
	{
		d.style.display='block'; 
		d.style.visibility='visible';
	}
}

function cache()
{
  	for (var i = 1; i<=nb_de_menus; i++) {
		if (document.getElementById('smenu'+i)) 
		{
      document.getElementById('smenu'+i).style.display='none';
			document.getElementById('smenu'+i).style.visibility='hidden';
    }
	}
}


function initOver() {
 	for (var i = 1; i<=nb_de_menus; i++) {
		if ( document.getElementById('menu'+i) ) { document.getElementById('menu'+i).onmouseover = montre; }
    if ( document.getElementById('menu'+i) ) { document.getElementById('menu'+i).onmouseout = cache; }
	}
}

function init()
{
  cache();
  initOver();
  
}