// ---------------------------------------------------
// determine browser

if(navigator.appName == "Microsoft Internet Explorer")
	IE = true;
else
	IE = false;

appver = parseInt(navigator.appVersion);


// ---------------------------------------------------
// show/hide elements
// these require IE4+ or NN6+
 
function hide(x) {
	if(document.getElementById)
		document.getElementById(x).style.display='none';
}
function show(x) {
	if(document.getElementById)
		document.getElementById(x).style.display='';
}
function showblock(x) {
	if(document.getElementById)
		document.getElementById(x).style.display='block';
}
function showinline(x) {
	if(document.getElementById)
		document.getElementById(x).style.display='inline';
}


// ---------------------------------------------------
// opens a link in a new window
// syntax: <a href="somepage.htm" onClick="return opennew(this)">
function opennew(a) {
	window.open(a.href);
	return false;
}