var imageFiles_c_4 = new Array();
imageFiles_c_4['0'] = new Array ('_images/c_HOME.gif', '_images/c_HOMEMouseover.gif');
imageFiles_c_4['1'] = new Array ('_images/c_ABOUT_US.gif', '_images/c_ABOUT_USMouseover.gif');
imageFiles_c_4['2'] = new Array ('_images/c_SERVICES.gif', '_images/c_SERVICESMouseover.gif');
imageFiles_c_4['3'] = new Array ('_images/c_CONTACT.gif', '_images/c_CONTACTMouseover.gif');

function image_on_c_4 (position) {
   var doc = eval("document.imagec_4" + position);
   doc.src = imageFiles_c_4[position][1];
}

function image_off_c_4 (position) {
   var doc = eval("document.imagec_4" + position);
   doc.src = imageFiles_c_4[position][0];
}