function hideCombos() {
	x = document.getElementsByTagName('SELECT')
	for (var i=0; i<x.length; i++) {
		x[i].style.visibility = "hidden";
	}
}

function showCombos() {
	x = document.getElementsByTagName('SELECT')
	for (var i=0; i<x.length; i++) {
		x[i].style.visibility = "visible";
	}
}

function showDiv(divObject) {
    var divContextSensitiveHelp = document.getElementById(divObject);
    if (divContextSensitiveHelp) {
      	divContextSensitiveHelp.style.visibility = "visible";
      	hideCombos();
    }
}

function hideDiv(divObject) {
    var divStyle = document.getElementById(divObject).style;
    divStyle.visibility = "hidden";
    showCombos()
}