var imageFiles_a4_5 = new Array();
imageFiles_a4_5['0'] = new Array ('_images/a4_HOME.gif', '_images/a4_HOMEMouseover.gif');
imageFiles_a4_5['1'] = new Array ('_images/a4_WHAT_S_NEW.gif', '_images/a4_WHAT_S_NEWMouseover.gif');
imageFiles_a4_5['2'] = new Array ('_images/a4_IN_OUR_STORE.gif', '_images/a4_IN_OUR_STOREMouseover.gif');
imageFiles_a4_5['3'] = new Array ('_images/a4_CONTACT_US.gif', '_images/a4_CONTACT_USMouseover.gif');

function image_on_a4_5 (position) {
   var doc = eval("document.imagea4_5" + position);
   doc.src = imageFiles_a4_5[position][1];
}

function image_off_a4_5 (position) {
   var doc = eval("document.imagea4_5" + position);
   doc.src = imageFiles_a4_5[position][0];
}