<!--
var the_images = new Array('images/but_homeo.gif','images/but_emailo.gif','images/but_feedbacko.gif');
preloadImages(the_images);

function preloadImages(images) {

	for(loop = 0; loop < images.length; loop++)
	{
   		var an_image = new Image();
		an_image.src = images[loop];
	}
}

function detectVersion()
{
	// Version test:
	browserVer = parseInt(navigator.appVersion);
	if ( browserVer > 3) version = 1;
	else version = 2;
	return (version);
}

version=detectVersion();

function swap(imgName,imgFile){
	if (version == 1) {
		document[imgName].src = imgFile;
	}
}

function subscribeFTT() {
	window.open('/page.php?id=nl_subscription_form', '_self');
}

// determine the screen width and height
var screenW = 640, screenH = 480;
if (parseInt(navigator.appVersion)>3) {
	screenW = screen.width;
	screenH = screen.height;
} else if (navigator.appName == "Netscape" 
		&& parseInt(navigator.appVersion)==3 && navigator.javaEnabled()) {
	var jToolkit = java.awt.Toolkit.getDefaultToolkit();
	var jScreenSize = jToolkit.getScreenSize();
	screenW = jScreenSize.width;
	screenH = jScreenSize.height;
}

function launchContentPopup(pageId) {
	var url = '/page_popup.php?id=' + pageId;
	win = window.open(url, 'contentPopup',
		'width=700,height=500,scrollbars,toolbars=no,resizable,' + getScreenPos(600));
	win.window.focus();
}

function launchZurichPopup(url) {
	win = window.open(url, 'contentPopup',
		'width=700,height=500,scrollbars,toolbars=no,resizable,' + getScreenPos(600));
	win.window.focus();
}

function getScreenPos(width) {
	var screenX = screenW - width - 10;
	var screenPos = 'screenX=' + screenX + ',screenY=0,top=0,left=' + screenX;
	return screenPos;
}

//-->