{
	know0=new Image();
	know0.src="../images/nav-know-off.jpg";
	know1=new Image();
	know1.src="../images/nav-know-on.jpg"; 
	
	eat0=new Image();
	eat0.src="../images/nav-eat-off.jpg";
	eat1=new Image();
	eat1.src="../images/nav-eat-on.jpg";
	
	learn0=new Image();
	learn0.src="../images/nav-learn-off.jpg";
	learn1=new Image();
	learn1.src="../images/nav-learn-on.jpg";
	
	live0=new Image();
	live0.src="../images/nav-live-off.jpg";
	live1=new Image();
	live1.src="../images/nav-live-on.jpg";
	
	pro0=new Image();
	pro0.src="../images/nav-pro-off.jpg";
	pro1=new Image();
	pro1.src="../images/nav-pro-on.jpg";
	
	edu0=new Image();
	edu0.src="../images/nav-edu-off.jpg";
	edu1=new Image();
	edu1.src="../images/nav-edu-on.jpg";
	
	about0=new Image();
	about0.src="../images/nav-about-off.jpg";
	about1=new Image();
	about1.src="../images/nav-about-on.jpg";
}

// main nav functions

function navOn(imgName) {
	if (document.images) {
		document.images[imgName].src = eval(imgName + '1.src');
	}
}

function navOff(imgName) {
	if (document.images) {
		document.images[imgName].src = eval(imgName + '0.src');
	}
}

{
	gtf0=new Image();
	gtf0.src="../images/gtf-off.gif";
	gtf1=new Image();
	gtf1.src="../images/gtf-on.gif"; 
	
	labels0=new Image();
	labels0.src="../images/labels-off.gif";
	labels1=new Image();
	labels1.src="../images/labels-on.gif";
	
	gtfintro0=new Image();
	gtfintro0.src="../images/gtfintro-off.gif";
	gtfintro1=new Image();
	gtfintro1.src="../images/gtfintro-on.gif";
	
	using0=new Image();
	using0.src="../images/using-off.gif";
	using1=new Image();
	using1.src="../images/using-on.gif";
	
	reading0=new Image();
	reading0.src="../images/reading-off.gif";
	reading1=new Image();
	reading1.src="../images/reading-on.gif";
	
	building0=new Image();
	building0.src="../images/building-off.gif";
	building1=new Image();
	building1.src="../images/building-on.gif";
	
	kgtf0=new Image();
	kgtf0.src="../images/kgtf-off.gif";
	kgtf1=new Image();
	kgtf1.src="../images/kgtf-on.gif";
	
	parts0=new Image();
	parts0.src="../images/parts-off.gif";
	parts1=new Image();
	parts1.src="../images/parts-on.gif";
	
	claims0=new Image();
	claims0.src="../images/claims-off.gif";
	claims1=new Image();
	claims1.src="../images/claims-on.gif";
}

// left nav functions

function lnavOn(imgName) {
	if (document.images) {
		document.images[imgName].src = eval(imgName + '1.src');
	}
}

function lnavOff(imgName) {
	if (document.images) {
		document.images[imgName].src = eval(imgName + '0.src');
	}
}


// gda tool popup function

function gdaPopup() {
	window.open('../gda-tool/GDA3.html','GDA','width=980,height=740,resizable=yes,toolbar=no,scrollbars=yes');
}

{
	lang0=new Image();
	lang0.src="../images/top-r-ca.jpg";
	lang1=new Image();
	lang1.src="../images/top-r-fr.jpg"; 
}

// language functions

function caOn() {
	if (document.images) {
		document.images['lang'].src = lang0.src;
	}
}

function frOn() {
	if (document.images) {
		document.images['lang'].src = lang1.src;
	}
}