function showComboBox() {

	var comboBoxElement = document.getElementById('ComboBoxList');

	if( comboBoxElement.style.visibility != "visible" ) {
		comboBoxElement.style.visibility = "visible";
	} else {
		comboBoxElement.style.visibility = "hidden";
	}
}

function showWait() {

	var waitElement = document.getElementById("ShowWait");
	if(waitElement != null) { waitElement.style.visibility = "visible"; }
}