if (document.images) {            // Active Images
            btn_homeon = new Image();      
            btn_homeon.src = "i/btn1_en_dn.gif";

            btn_homeoff = new Image(); 
            btn_homeoff.src = "i/btn1_en.gif";   
			
			btn_abouton = new Image();      
            btn_abouton.src = "i/btn2_en_dn.gif";

            btn_aboutoff = new Image(); 
            btn_aboutoff.src = "i/btn2_en.gif";
			
			btn_contacton = new Image();      
            btn_contacton.src = "i/btn3_en_dn.gif";

            btn_contactoff = new Image(); 
            btn_contactoff.src = "i/btn3_en.gif";
			
			btn_productson = new Image();      
            btn_productson.src = "i/btn4_en_dn.gif";

            btn_productsoff = new Image(); 
            btn_productsoff.src = "i/btn4_en.gif";
			
			btn_supporton = new Image();      
            btn_supporton.src = "i/btn5_en_dn.gif";

            btn_supportoff = new Image(); 
            btn_supportoff.src = "i/btn5_en.gif";
			
			btn_orderon = new Image();      
            btn_orderon.src = "i/btn6_en_dn.gif";

            btn_orderoff = new Image(); 
            btn_orderoff.src = "i/btn6_en.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");
        }
}

// function to open new windows
function openNewWindow(fileName) {
  popupWin = window.open(fileName,'ROMCO','width=550,height=525,left=50,top=50,scrollbars=1,resizable=0,status=0,menubar=0,toolbar=0,location=0')
}

// function to close a window
function closeWindow() {
self.close();
}