function showControl(elmID) {
	var elm = null !== elmID ? document.getElementById(elmID) : null;
	if (null !== elm) {
		elm.className = "shoCh";
	}
}

function hideControl(elmID) {
	var elm = null !== elmID ? document.getElementById(elmID) : null;
	if (null !== elm) {
		elm.className = "hidCh";
		var inps = elm.getElementsByTagName("input");
		for (var i = 0; i < inps.length; i++) {
			if (inps[i].name === "weight") {
				inps[i].checked = false;
			}
		}
	}
}

function showInfo(url) {
	if (null !== url && url.length > 0) {
		var infoWin = window.open(url,'','scrollbars=yes,menubar=no,height=600,width=800,resizable=yes,toolbar=no,location=no,status=no');
	}
}