var imageFiles_f1_1 = new Array();
imageFiles_f1_1['0'] = new Array ('_images/f1_Home.gif', '_images/f1_HomeMouseover.gif');
imageFiles_f1_1['1'] = new Array ('_images/f1_Get_Involved.gif', '_images/f1_Get_InvolvedMouseover.gif');
imageFiles_f1_1['2'] = new Array ('_images/f1_Find_Nearest_Branch.gif', '_images/f1_Find_Nearest_BranchMouseover.gif');
imageFiles_f1_1['3'] = new Array ('_images/f1_News_and_Media.gif', '_images/f1_News_and_MediaMouseover.gif');

function image_on_f1_1 (position) {
   var doc = eval("document.imagef1_1" + position);
   doc.src = imageFiles_f1_1[position][1];
}

function image_off_f1_1 (position) {
   var doc = eval("document.imagef1_1" + position);
   doc.src = imageFiles_f1_1[position][0];
}