// JavaScript Document
function PopupCentrer(page,name,largeur,hauteur,options) 
{
var top=(screen.height-hauteur)/2;
var left=(screen.width-largeur)/2;
window.open(page,name,"top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}

    
function toggle_menu(tlayer,mode)
{
//alert(bouton.src);
	
		if(document.getElementById(tlayer).style.display == 'none')
		{
			
			document.getElementById(tlayer).style.display = 'block';
		}
		else
		{
			
			document.getElementById(tlayer).style.display = 'none';
		}
	
	
}