<!--  
mn_top1on = new Image();      mn_top1on.src =  "image/mn_Top1on.gif";  
mn_top1off = new Image();     mn_top1off.src = "image/mn_Top1off.gif";  
mn_top2on = new Image();      mn_top2on.src =  "image/mn_Top2on.gif";  
mn_top2off = new Image();     mn_top2off.src = "image/mn_Top2off.gif"; 
mn_top3on = new Image();      mn_top3on.src =  "image/mn_Top3on.gif";  
mn_top3off = new Image();     mn_top3off.src = "image/mn_Top3off.gif";   
mn_top4on = new Image();      mn_top4on.src =  "image/mn_Top4on.gif";  
mn_top4off = new Image();     mn_top4off.src = "image/mn_Top4off.gif";
mn_top5on = new Image();      mn_top5on.src =  "image/mn_Top5on.gif";  
mn_top5off = new Image();     mn_top5off.src = "image/mn_Top5off.gif";
mn_button1on = new Image();      mn_button1on.src =  "image/mnButton1on.gif";  
mn_button1off = new Image();     mn_button1off.src = "image/mnButton1off.gif";
mn_button2on = new Image();      mn_button2on.src =  "image/mnButton2on.gif";  
mn_button2off = new Image();     mn_button2off.src = "image/mnButton2off.gif";
mn_button3on = new Image();      mn_button3on.src =  "image/mnButton3on.gif";  
mn_button3off = new Image();     mn_button3off.src = "image/mnButton3off.gif";
mn_button4on = new Image();      mn_button4on.src =  "image/mnButton4on.gif";  
mn_button4off = new Image();     mn_button4off.src = "image/mnButton4off.gif";
mn_button5on = new Image();      mn_button5on.src =  "image/mnButton5on.gif";  
mn_button5off = new Image();     mn_button5off.src = "image/mnButton5off.gif";
mn_button6on = new Image();      mn_button6on.src =  "image/mnButton6on.gif";  
mn_button6off = new Image();     mn_button6off.src = "image/mnButton6off.gif";
mn_button7on = new Image();      mn_button7on.src =  "image/mnButton7on.gif";  
mn_button7off = new Image();     mn_button7off.src = "image/mnButton7off.gif";
function img_act(imgName)  
       { imgOn = eval(imgName + "on.src"); 
         document [imgName].src = imgOn; } 
function img_inact(imgName) 
       { imgOff = eval(imgName + "off.src"); 
         document [imgName].src = imgOff; }  
//-->