var imageFiles_t_4 = new Array();
imageFiles_t_4['0'] = new Array ('_images/t_Outsourcing.gif', '_images/t_OutsourcingMouseover.gif');
imageFiles_t_4['1'] = new Array ('_images/t_Subcontracting.gif', '_images/t_SubcontractingMouseover.gif');
imageFiles_t_4['2'] = new Array ('_images/t_Lean_Manufacturing.gif', '_images/t_Lean_ManufacturingMouseover.gif');

function image_on_t_4 (position) {
   var doc = eval("document.imaget_4" + position);
   doc.src = imageFiles_t_4[position][1];
}

function image_off_t_4 (position) {
   var doc = eval("document.imaget_4" + position);
   doc.src = imageFiles_t_4[position][0];
}