{
	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');
	}
}


{
	active0=new Image();
	active0.src="../images/active-off.gif";
	active1=new Image();
	active1.src="../images/active-on.gif"; 
	
	bweight0=new Image();
	bweight0.src="../images/bweight-off.gif";
	bweight1=new Image();
	bweight1.src="../images/bweight-on.gif";
	
	proactive0=new Image();
	proactive0.src="../images/proactive-off.gif";
	proactive1=new Image();
	proactive1.src="../images/proactive-on.gif";
	
	activek0=new Image();
	activek0.src="../images/activek-off.gif";
	activek1=new Image();
	activek1.src="../images/activek-on.gif";
	
	activea0=new Image();
	activea0.src="../images/activea-off.gif";
	activea1=new Image();
	activea1.src="../images/activea-on.gif";
	
	activity0=new Image();
	activity0.src="../images/activity-off.gif";
	activity1=new Image();
	activity1.src="../images/activity-on.gif";
	
	fuel0=new Image();
	fuel0.src="../images/fuel-off.gif";
	fuel1=new Image();
	fuel1.src="../images/fuel-on.gif";
	
	activityb0=new Image();
	activityb0.src="../images/activityb-off.gif";
	activityb1=new Image();
	activityb1.src="../images/activityb-on.gif";
	
	energy0=new Image();
	energy0.src="../images/energy-off.gif";
	energy1=new Image();
	energy1.src="../images/energy-on.gif";
	
	weightk0=new Image();
	weightk0.src="../images/weightk-off.gif";
	weightk1=new Image();
	weightk1.src="../images/weightk-on.gif";
	
	tipsk0=new Image();
	tipsk0.src="../images/tipsk-off.gif";
	tipsk1=new Image();
	tipsk1.src="../images/tipsk-on.gif";
	
	weighta0=new Image();
	weighta0.src="../images/weighta-off.gif";
	weighta1=new Image();
	weighta1.src="../images/weighta-on.gif";
	
	aweight0=new Image();
	aweight0.src="../images/aweight-off.gif";
	aweight1=new Image();
	aweight1.src="../images/aweight-on.gif";
	
	tipsa0=new Image();
	tipsa0.src="../images/tipsa-off.gif";
	tipsa1=new Image();
	tipsa1.src="../images/tipsa-on.gif";
	
	digest0=new Image();
	digest0.src="../images/digest-off.gif";
	digest1=new Image();
	digest1.src="../images/digest-on.gif";
	
	hhealthy0=new Image();
	hhealthy0.src="../images/hhealthy-off.gif";
	hhealthy1=new Image();
	hhealthy1.src="../images/hhealthy-on.gif";
	
	diabetes0=new Image();
	diabetes0.src="../images/diabetes-off.gif";
	diabetes1=new Image();
	diabetes1.src="../images/diabetes-on.gif";
	
	diabetesfriendly0=new Image();
	diabetesfriendly0.src="../images/diabetesfriendly-off.gif";
	diabetesfriendly1=new Image();
	diabetesfriendly1.src="../images/diabetesfriendly-on.gif";
	
	diabetesrecipes0=new Image();
	diabetesrecipes0.src="../images/diabetesrecipes-off.gif";
	diabetesrecipes1=new Image();
	diabetesrecipes1.src="../images/diabetesrecipes-on.gif";
	
	diabetescallout0=new Image();
	diabetescallout0.src="../images/diabetes_page_link.jpg";
	diabetescallout1=new Image();
	diabetescallout1.src="../images/diabetes_page_link_roll.jpg";
}

// 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=970,height=790,resizable=yes,toolbar=no,scrollbars=yes');
}