function PopUp(theURL,winName,features) {
	window.open(theURL,winName,features);
}

function ToggleItem(myItem) {
	if (myItem.style.visibility != 'hidden') {
		HideItem(myItem);
	} else {
		ShowItem(myItem);
	}
	return false;
}
function ShowItem(myItem) {
	myItem.style.visibility = 'visible';
	myItem.style.display = '';
}
function HideItem(myItem) {
	myItem.style.visibility = 'hidden';
	myItem.style.display = 'none';
}
var state = 'none';

function showhide(layer_ref) {

if (state == 'block') {
state = 'none';
}
else {
state = 'block';
}
if (document.all) { //IS IE 4 or 5 (or 6 beta)
eval( "document.all." + layer_ref + ".style.display = state");
}
if (document.layers) { //IS NETSCAPE 4 or below
document.layers[layer_ref].display = state;
}
if (document.getElementById &&!document.all) {
hza = document.getElementById(layer_ref);
hza.style.display = state;
}
}