// preload navigation images:

        if (document.images) {

		intro_on = new Image();
                intro_on.src = "images/newds/intro_on.gif";
                intro_off = new Image();
                intro_off.src = "images/newds/intro_off.gif";
                
                cloth_on = new Image();
                cloth_on.src = "images/newds/cloth_on.gif";	
		cloth_off = new Image();
                cloth_off.src = "images/newds/cloth_off.gif";
                
                prop_on = new Image();
                prop_on.src = "images/newds/prop_on.gif";	
		prop_off = new Image();
                prop_off.src = "images/newds/prop_off.gif";
                
                trading_on = new Image();
                trading_on.src = "images/newds/trading_on.gif";	
		trading_off = new Image();
                trading_off.src = "images/newds/trading_off.gif";
                
                west_on = new Image();
                west_on.src = "images/newds/west_on.gif";	
		west_off = new Image();
                west_off.src = "images/newds/west_off.gif";   
                
                hudson_on = new Image();
		hudson_on.src = "images/newds/hudson_on.gif";	
		hudson_off = new Image();
                hudson_off.src = "images/newds/hudson_off.gif";  
                
                india_on = new Image();
                india_on.src = "images/newds/india_on.gif";	
		india_off = new Image();
                india_off.src = "images/newds/india_off.gif";
                
                colour_on = new Image();
                colour_on.src = "images/newds/colour_on.gif";	
		colour_off = new Image();
                colour_off.src = "images/newds/colour_off.gif";
                
                first_on = new Image();
                first_on.src = "images/newds/first_on.gif";	
		first_off = new Image();
                first_off.src = "images/newds/first_off.gif";
                
}
                        
function hiLite(imgID,changeID) {
                        
        if (document.images) {
        document.images[imgID].src = eval(changeID + ".src");
        return true;
        }
}