var imageFiles_5k_13 = new Array();
imageFiles_5k_13['0'] = new Array ('_images/5k_SEMI_CONDUCTOR.gif', '_images/5k_SEMI_CONDUCTORMouseover.gif');
imageFiles_5k_13['1'] = new Array ('_images/5k_JEWELERY.gif', '_images/5k_JEWELERYMouseover.gif');
imageFiles_5k_13['2'] = new Array ('_images/5k_CHEMICAL_PROCESSING.gif', '_images/5k_CHEMICAL_PROCESSINGMouseover.gif');
imageFiles_5k_13['3'] = new Array ('_images/5k_WATER_TREATMENT.gif', '_images/5k_WATER_TREATMENTMouseover.gif');

function image_on_5k_13 (position) {
   var doc = eval("document.image5k_13" + position);
   doc.src = imageFiles_5k_13[position][1];
}

function image_off_5k_13 (position) {
   var doc = eval("document.image5k_13" + position);
   doc.src = imageFiles_5k_13[position][0];
}