var imageFiles_16k_4 = new Array();
imageFiles_16k_4['0'] = new Array ('_images/16k_.gif', '_images/16k_Mouseover.gif');

function image_on_16k_4 (position) {
   var doc = eval("document.image16k_4" + position);
   doc.src = imageFiles_16k_4[position][1];
}

function image_off_16k_4 (position) {
   var doc = eval("document.image16k_4" + position);
   doc.src = imageFiles_16k_4[position][0];
}