// PRELOADING IMAGES
if (document.images) {
    img_on =new Image();  img_on.src ="/images/menu_bt_01on.gif"; 
    img_off=new Image();  img_off.src="/images/menu_bt_01off.gif"; 
    
    img1_on =new Image(); img1_on.src ="/images/menu_bt_01on.gif"; 
    img1_off=new Image(); img1_off.src="/images/menu_bt_01off.gif"; 
    
    img2_on =new Image(); img2_on.src ="/images/menu_bt_02on.gif"; 
    img2_off=new Image(); img2_off.src="/images/menu_bt_02off.gif";  
    
    img3_on =new Image(); img3_on.src ="/images/menu_bt_03on.gif"; 
    img3_off=new Image(); img3_off.src="/images/menu_bt_03off.gif"; 
    
    img4_on =new Image(); img4_on.src ="/images/menu_bt_04on.gif"; 
    img4_off=new Image(); img4_off.src="/images/menu_bt_04off.gif"; 
    
    img5_on =new Image(); img5_on.src ="/images/menu_bt_05on.gif"; 
    img5_off=new Image(); img5_off.src="/images/menu_bt_05off.gif";

    img6_on =new Image(); img6_on.src ="/images/menu_bt_06on.gif"; 
    img6_off=new Image(); img6_off.src="/images/menu_bt_06off.gif";
    
}

function movr(k) {
 if (document.images) 
  eval('document.img'+k+'.src=img'+k+'_on.src');
}

function mout(k) {
 if (document.images) 
  eval('document.img'+k+'.src=img'+k+'_off.src');
}


function movr_lang(k, imgname) {
 if (document.images) {
  eval('img'+k+'_on.src="'+imgname+'"');
  eval('document.img'+k+'.src=img'+k+'_on.src');
 }
}

function mout_lang(k, imgname) {
 if (document.images) {
  eval('img'+k+'_off.src="'+imgname+'"');
  eval('document.img'+k+'.src=img'+k+'_off.src');
 }
}