<!--
// Common Javascript include

// Determine browser type
 
var browserType;
var detect = navigator.userAgent.toLowerCase();

if (top.document.layers) {
  	// Running Netscape 4
	browserType = "ns4";
}
else if (detect.indexOf("opera") >= 0)
{
	// Running Opera
	browserType = "op";
}
else if (top.document.all) {
    // Running IE
	browserType = "ie";
}
else if (top.document.getElementById) {
    // Running Netscape 6 or Mozilla
    browserType = "moz";
}
else {
	// Older than 4.0 browser
	browserType = "none";
}

// Universal object get function

function getObject(obj)
{
	if (obj==null) 
	{
		alert("obj is null");
		return;
	}
	if (browserType == "none") {
     	alert("browser not supported");
		return null;
	}
    else if (browserType == "moz") {
    	return document.getElementById(obj);
	}
	else if (browserType == "ns4") {
       	return eval('document.layers["' + obj + '"]');
    }
    else {
       	return eval('document.all["' + obj + '"]');
    }
}

// Universal form submit on ENTER key

document.onkeydown = handleSubmit;
	    
function handleSubmit(e) 
{
    var pressed = false;
    if (browserType != "ie") {
        if (e.which==13) pressed = true;
    } 
    else if (event.keyCode==13) { 
        pressed = true;
    }
    if (pressed) { document.forms[0].submit(); }
    try { key(e); } catch(e) {;}
}
        
// Function to view a page in a popup window

function ViewPage(mypage, myname, w, h, scroll) 
{
    var winl = (screen.width - w) / 2;
    var wint = (screen.height - h) / 2;
    winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable';
    win = window.open(mypage, myname, winprops);
    if (parseInt(navigator.appVersion) >= 4){
        win.window.focus();
    }
}
    
// Function to toggle a particular menu

function ToggleMenu(id) 
{
    if (getObject('MenuGroup_' + id).style.display == 'none')
    {
        // we're expanding
        getObject('MenuGroupToggle_' + id).src = "../images/shrink.jpg";
        
        getObject('MenuGroup_' + id).style.display = "block";
        getObject('MenuGroup_' + id).style.visibility = "visible";
    }
    else
    {
        // we're collapsing
        getObject('MenuGroupToggle_' + id).src = "../images/expand.jpg";
        
        getObject('MenuGroup_' + id).style.display = "none";
        getObject('MenuGroup_' + id).style.visibility = "hidden";
    }
}

//-->