function montre()
{
	document.getElementById("sm_product").style.visibility = 'visible';
}

function cache()
{
	document.getElementById("sm_product").style.visibility = 'hidden';
}

function montre2()
{
	document.getElementById("sm_product2").style.visibility = 'visible';
}

function cache2()
{
	document.getElementById("sm_product2").style.visibility = 'hidden';
}