var imageFiles_18u_1 = new Array();
imageFiles_18u_1['0'] = new Array ('_images/18u_Cooling_System.gif', '_images/18u_Cooling_SystemMouseover.gif');
imageFiles_18u_1['1'] = new Array ('_images/18u_Power_Steering.gif', '_images/18u_Power_SteeringMouseover.gif');
imageFiles_18u_1['2'] = new Array ('_images/18u_Engine_Oil.gif', '_images/18u_Engine_OilMouseover.gif');
imageFiles_18u_1['3'] = new Array ('_images/18u_Transmission.gif', '_images/18u_TransmissionMouseover.gif');

function image_on_18u_1 (position) {
   var doc = eval("document.image18u_1" + position);
   doc.src = imageFiles_18u_1[position][1];
}

function image_off_18u_1 (position) {
   var doc = eval("document.image18u_1" + position);
   doc.src = imageFiles_18u_1[position][0];
}