<!--
function mostra_canali(blockName) {
	if (document.getElementById) {
		BlockObject = document.getElementById("" + blockName + "");
	} else {
		BlockObject = document.layers["" + blockName + ""];
	}
	BlockObject.style.display = "block";
}

function nascondi_canali(blockName) {
	if (document.getElementById) {
		BlockObject = document.getElementById("" + blockName + "");
	} else {
		BlockObject = document.layers["" + blockName + ""];
	}
	BlockObject.style.display = "none";
}
// -->