function montre(id)
{
	var d = document.getElementById(id);
	for (var i = 1; i<=10; i++)
	{
		if (document.getElementById('smenu'+i))
		{document.getElementById('smenu'+i).style.display='none';}
	}
if (d) {d.style.display='block';}
}

function addLoadEvent(func)
{	
	var oldonload = window.onload;
	if (typeof window.onload != 'function'){
    	window.onload = func;
	} else {
		window.onload = function(){
		oldonload();
		func();
		}
	}

}

addLoadEvent(montre);