var imageFiles_55_7 = new Array();
imageFiles_55_7['0'] = new Array ('_images/55_Supplies.gif', '_images/55_SuppliesMouseover.gif');

function image_on_55_7 (position) {
   var doc = eval("document.image55_7" + position);
   doc.src = imageFiles_55_7[position][1];
}

function image_off_55_7 (position) {
   var doc = eval("document.image55_7" + position);
   doc.src = imageFiles_55_7[position][0];
}