var imageFiles_9_55 = new Array();
imageFiles_9_55['0'] = new Array ('_images/9_Home.gif', '_images/9_HomeMouseover.gif');
imageFiles_9_55['1'] = new Array ('_images/9_About_Us.gif', '_images/9_About_UsMouseover.gif');
imageFiles_9_55['2'] = new Array ('_images/9_Contact_Us.gif', '_images/9_Contact_UsMouseover.gif');
imageFiles_9_55['3'] = new Array ('_images/9_Feedback.gif', '_images/9_FeedbackMouseover.gif');

function image_on_9_55 (position) {
   var doc = eval("document.image9_55" + position);
   doc.src = imageFiles_9_55[position][1];
}

function image_off_9_55 (position) {
   var doc = eval("document.image9_55" + position);
   doc.src = imageFiles_9_55[position][0];
}