function montre1()
{
	if(document.getElementById)
	{
		document.getElementById("calque1").style.visibility = 'visible';
	}
	else if(document.all)
	{
		document.all["calque1"].style.visibility = 'visible';
	}
}
function cache1()
{
	if(document.getElementById)
	{
		document.getElementById("calque1").style.visibility = 'hidden';
	}
	else if(document.all)
	{
		document.all["calque1"].style.visibility = 'hidden';
	}
}
function montre2()
{
	if(document.getElementById)
	{
		document.getElementById("calque2").style.visibility = 'visible';
	}
	else if(document.all)
	{
		document.all["calque2"].style.visibility = 'visible';
	}
}
function cache2()
{
	if(document.getElementById)
	{
		document.getElementById("calque2").style.visibility = 'hidden';
	}
	else if(document.all)
	{
		document.all["calque2"].style.visibility = 'hidden';
	}
}
function montre3()
{
	if(document.getElementById)
	{
		document.getElementById("calque3").style.visibility = 'visible';
	}
	else if(document.all)
	{
		document.all["calque3"].style.visibility = 'visible';
	}
}
function cache3()
{
	if(document.getElementById)
	{
		document.getElementById("calque3").style.visibility = 'hidden';
	}
	else if(document.all)
	{
		document.all["calque3"].style.visibility = 'hidden';
	}
}
function montre4()
{
	if(document.getElementById)
	{
		document.getElementById("calque4").style.visibility = 'visible';
	}
	else if(document.all)
	{
		document.all["calque4"].style.visibility = 'visible';
	}
}
function cache4()
{
	if(document.getElementById)
	{
		document.getElementById("calque4").style.visibility = 'hidden';
	}
	else if(document.all)
	{
		document.all["calque4"].style.visibility = 'hidden';
	}
}
function montre5()
{
	if(document.getElementById)
	{
		document.getElementById("calque5").style.visibility = 'visible';
	}
	else if(document.all)
	{
		document.all["calque5"].style.visibility = 'visible';
	}
}
function cache5()
{
	if(document.getElementById)
	{
		document.getElementById("calque5").style.visibility = 'hidden';
	}
	else if(document.all)
	{
		document.all["calque5"].style.visibility = 'hidden';
	}
}
function montre6()
{
	if(document.getElementById)
	{
		document.getElementById("calque6").style.visibility = 'visible';
	}
	else if(document.all)
	{
		document.all["calque6"].style.visibility = 'visible';
	}
}
function cache6()
{
	if(document.getElementById)
	{
		document.getElementById("calque6").style.visibility = 'hidden';
	}
	else if(document.all)
	{
		document.all["calque6"].style.visibility = 'hidden';
	}
}