if (document.images) {
// Active Images
    imge_1on = new Image();                       
    imge_1on.src = "images/splash/splash-on_07.gif";  
    imgf_2on = new Image();                       
    imgf_2on.src = "images/splash/splash-on_06.gif";  

// Inactive Images
    imge_1off = new Image();                       
    imge_1off.src = "images/splash/splash_07.gif";  
    imgf_2off = new Image();                       
    imgf_2off.src = "images/splash/splash_06.gif";   
}

// Function to 'activate' images.
function imgMenuOn(imgName) {
	if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}

// Function to 'deactivate' images.
function imgMenuOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}