function hideObject(strObjectName)
{
	var thisObj = document.getElementById( strObjectName );
	thisObj.style.display = "none";	
}

function showObject(strObjectName)
{
	var thisObj = document.getElementById( strObjectName );
	thisObj.style.display = "block";	
}

function inverserAffichage(strObjectName)
{
	var thisObj = document.getElementById( strObjectName );
	
	if (thisObj.style.display == "none")
	{
		thisObj.style.display = "block";
	}
	else
	{
		thisObj.style.display = "none";	
	}
}