var imageFiles_5x_1 = new Array();
imageFiles_5x_1['0'] = new Array ('_images/5x_CONTACTS.gif', '_images/5x_CONTACTSMouseover.gif');

function image_on_5x_1 (position) {
   var doc = eval("document.image5x_1" + position);
   doc.src = imageFiles_5x_1[position][1];
}

function image_off_5x_1 (position) {
   var doc = eval("document.image5x_1" + position);
   doc.src = imageFiles_5x_1[position][0];
}