var imageFiles_4e_1 = new Array();
imageFiles_4e_1['0'] = new Array ('_images/4e_CONTACT_US.gif', '_images/4e_CONTACT_USMouseover.gif');

function image_on_4e_1 (position) {
   var doc = eval("document.image4e_1" + position);
   doc.src = imageFiles_4e_1[position][1];
}

function image_off_4e_1 (position) {
   var doc = eval("document.image4e_1" + position);
   doc.src = imageFiles_4e_1[position][0];
}