function expandWoimg(BlockName) {
	if (document.getElementById(BlockName).style.display == "block") {
		document.getElementById(BlockName).style.display = "none";
		document.getElementById(BlockName).style.visibility = "hidden";
	} else {
		document.getElementById(BlockName).style.display = "block";
		document.getElementById(BlockName).style.visibility = "visible";
	}
}