if (document.all) var IE = true; else var IE = false;

var last_color;

function show_menu(sous_menu,menu_id)
{
		
		var menu = document.getElementById(sous_menu);		
		menu.style.visibility = 'inherit'; /* necessaire pour IE Mac */
		menu.style.display = 'block';
		last_color=document.getElementById(menu_id).childNodes[0].style.color;
		document.getElementById(menu_id).childNodes[0].style.color='white';
			//resize();
	
}

function hide_menu(sous_menu,menu_id)
{

		var menu = document.getElementById(sous_menu);
		menu.style.visibility = 'hidden'; /* necessaire pour IE Mac */
		menu.style.display = 'none';
		document.getElementById(menu_id).childNodes[0].style.color=last_color;
		//resize();
					
}
function resize(){ 
var htmlheight = document.body.parentNode.clientHeight; var windowheight = window.screen.height; var frame = document.getElementById("frame1"); 
if ( htmlheight < windowheight )  
{ 		
pied.style.top = (windowheight-20) + "px";
} 
}