var imageFiles_7_1 = new Array();
imageFiles_7_1['0'] = new Array ('_images/7_Home.gif', '_images/7_HomeMouseover.gif');
imageFiles_7_1['1'] = new Array ('_images/7_About_Us.gif', '_images/7_About_UsMouseover.gif');
imageFiles_7_1['2'] = new Array ('_images/7_Contact_Us.gif', '_images/7_Contact_UsMouseover.gif');
imageFiles_7_1['3'] = new Array ('_images/7_Feedback.gif', '_images/7_FeedbackMouseover.gif');

function image_on_7_1 (position) {
   var doc = eval("document.image7_1" + position);
   doc.src = imageFiles_7_1[position][1];
}

function image_off_7_1 (position) {
   var doc = eval("document.image7_1" + position);
   doc.src = imageFiles_7_1[position][0];
}