// JavaScript Document

        if (document.images)
 {            // Active Images
            img1on = new Image();      
            img1on.src = "images/shaker_on.gif"; 
            img2on = new Image(); 
            img2on.src = "images/grow_on.gif";  
            img3on = new Image();
            img3on.src = "images/order_on.gif";


            img1off = new Image(); 
            img1off.src = "images/shaker_off.gif"; 
            img2off = new Image();          
            img2off.src = "images/grow_off.gif"; 
            img3off = new Image();
            img3off.src = "images/order_off.gif";

        }

// Function to 'activate' images.

function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}

// Function to 'deactivate' images.

function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}