var imageFiles_y_19 = new Array();
imageFiles_y_19['0'] = new Array ('_images/y_HOME.gif', '_images/y_HOMEMouseover.gif');
imageFiles_y_19['1'] = new Array ('_images/y_ABOUT_US.gif', '_images/y_ABOUT_USMouseover.gif');
imageFiles_y_19['2'] = new Array ('_images/y_MENU.gif', '_images/y_MENUMouseover.gif');
imageFiles_y_19['3'] = new Array ('_images/y_FUNCTIONS.gif', '_images/y_FUNCTIONSMouseover.gif');
imageFiles_y_19['4'] = new Array ('_images/y_CONTACT.gif', '_images/y_CONTACTMouseover.gif');

function image_on_y_19 (position) {
   var doc = eval("document.imagey_19" + position);
   doc.src = imageFiles_y_19[position][1];
}

function image_off_y_19 (position) {
   var doc = eval("document.imagey_19" + position);
   doc.src = imageFiles_y_19[position][0];
}