var imageFiles_ey_4 = new Array();
imageFiles_ey_4['0'] = new Array ('_images/ey_home.gif', '_images/ey_homeMouseover.gif');
imageFiles_ey_4['1'] = new Array ('_images/ey_about_us.gif', '_images/ey_about_usMouseover.gif');
imageFiles_ey_4['2'] = new Array ('_images/ey_contact_us.gif', '_images/ey_contact_usMouseover.gif');
imageFiles_ey_4['3'] = new Array ('_images/ey_questions_.gif', '_images/ey_questions_Mouseover.gif');
imageFiles_ey_4['4'] = new Array ('_images/ey_support.gif', '_images/ey_supportMouseover.gif');

function image_on_ey_4 (position) {
   var doc = eval("document.imageey_4" + position);
   doc.src = imageFiles_ey_4[position][1];
}

function image_off_ey_4 (position) {
   var doc = eval("document.imageey_4" + position);
   doc.src = imageFiles_ey_4[position][0];
}