<!--

var blnLoaded = false;
var blnOK = false;
var bName = navigator.appName;
var bVer = parseInt(navigator.appVersion);

if ((bName == "Netscape" && bVer >= 3) || 
	(bName == "Microsoft Internet Explorer" && bVer >= 4) || 
	(document.getElementById)) {
	blnOK = true;
} 

function Preload(){
	
	if (blnOK) {
   
		img1on = new Image();          
		img1on.src = "images/btn_home_on.gif";       // Active Image
	
		img1off = new Image();
		img1off.src = "images/btn_home.gif";     // Inactive Image
	
		img2on = new Image();          
		img2on.src = "images/btn_about_on.gif";       // Active Image
			
		img2off = new Image();
		img2off.src = "images/btn_about.gif";     // Inactive Image
	
		img3on = new Image();          
		img3on.src = "images/btn_gallery_on.gif";       // Active Image
	
		img3off = new Image();
		img3off.src = "images/btn_gallery.gif";     // Inactive Image
	
		img4on = new Image();          
		img4on.src = "images/btn_classes_on.gif";       // Active Image
	
		img4off = new Image();
		img4off.src = "images/btn_classes.gif";     // Inactive Image
		
		img5on = new Image();          
		img5on.src = "images/btn_activities_on.gif";       // Active Image
	
		img5off = new Image();
		img5off.src = "images/btn_activities.gif";     // Inactive Image
		
		img6on = new Image();          
		img6on.src = "images/btn_exhibitions_on.gif";       // Active Image
	
		img6off = new Image();
		img6off.src = "images/btn_exhibitions.gif";     // Inactive Image
		
		img7on = new Image();          
		img7on.src = "images/btn_projects_on.gif";       // Active Image
	
		img7off = new Image();
		img7off.src = "images/btn_projects.gif";     // Inactive Image
		
		img8on = new Image();          
		img8on.src = "images/btn_membership_on.gif";       // Active Image
	
		img8off = new Image();
		img8off.src = "images/btn_membership.gif";     // Inactive Image
		
		img9on = new Image();          
		img9on.src = "images/btn_links_on.gif";       // Active Image
	
		img9off = new Image();
		img9off.src = "images/btn_links.gif";     // Inactive Image
		
		img10on = new Image();          
		img10on.src = "images/btn_contact_on.gif";       // Active Image
	
		img10off = new Image();
		img10off.src = "images/btn_contact.gif";     // Inactive Image
		
		blnLoaded = true;
	
	}
	
}
    
function rollover(imgName) {
	if (blnOK && blnLoaded) {
    	document[imgName].src = eval(imgName + "on.src");
    }
}

function normal(imgName) {
	if (blnOK && blnLoaded) {
		document[imgName].src = eval(imgName + "off.src");
	}
}

// -->