var imageFiles_1yu_1 = new Array();
imageFiles_1yu_1['0'] = new Array ('_images/1yu_Star_Cars.gif', '_images/1yu_Star_CarsMouseover.gif');
imageFiles_1yu_1['1'] = new Array ('_images/1yu_Contracts___Forms.gif', '_images/1yu_Contracts___FormsMouseover.gif');
imageFiles_1yu_1['2'] = new Array ('_images/1yu_Sea___Aircraft.gif', '_images/1yu_Sea___AircraftMouseover.gif');

function image_on_1yu_1 (position) {
   var doc = eval("document.image1yu_1" + position);
   doc.src = imageFiles_1yu_1[position][1];
}

function image_off_1yu_1 (position) {
   var doc = eval("document.image1yu_1" + position);
   doc.src = imageFiles_1yu_1[position][0];
}