var imageFiles_1sw_21 = new Array();
imageFiles_1sw_21['0'] = new Array ('_images/1sw_.gif', '_images/1sw_Mouseover.gif');

function image_on_1sw_21 (position) {
   var doc = eval("document.image1sw_21" + position);
   doc.src = imageFiles_1sw_21[position][1];
}

function image_off_1sw_21 (position) {
   var doc = eval("document.image1sw_21" + position);
   doc.src = imageFiles_1sw_21[position][0];
}