var imageFiles_is_5 = new Array();
imageFiles_is_5['0'] = new Array ('_images/is_Inicio.gif', '_images/is_InicioMouseover.gif');
imageFiles_is_5['1'] = new Array ('_images/is_Certificados_D_Regalos.gif', '_images/is_Certificados_D_RegalosMouseover.gif');
imageFiles_is_5['2'] = new Array ('_images/is_Manos___Pies.gif', '_images/is_Manos___PiesMouseover.gif');
imageFiles_is_5['3'] = new Array ('_images/is_Paquetes_d_Parejas.gif', '_images/is_Paquetes_d_ParejasMouseover.gif');
imageFiles_is_5['4'] = new Array ('_images/is_Contacto.gif', '_images/is_ContactoMouseover.gif');

function image_on_is_5 (position) {
   var doc = eval("document.imageis_5" + position);
   doc.src = imageFiles_is_5[position][1];
}

function image_off_is_5 (position) {
   var doc = eval("document.imageis_5" + position);
   doc.src = imageFiles_is_5[position][0];
}