var imageFiles_h_13 = new Array();
imageFiles_h_13['0'] = new Array ('_images/h_Home.gif', '_images/h_HomeMouseover.gif');
imageFiles_h_13['1'] = new Array ('_images/h_Products.gif', '_images/h_ProductsMouseover.gif');
imageFiles_h_13['2'] = new Array ('_images/h_Technical.gif', '_images/h_TechnicalMouseover.gif');
imageFiles_h_13['3'] = new Array ('_images/h_About_Us.gif', '_images/h_About_UsMouseover.gif');
imageFiles_h_13['4'] = new Array ('_images/h_Contact.gif', '_images/h_ContactMouseover.gif');

function image_on_h_13 (position) {
   var doc = eval("document.imageh_13" + position);
   doc.src = imageFiles_h_13[position][1];
}

function image_off_h_13 (position) {
   var doc = eval("document.imageh_13" + position);
   doc.src = imageFiles_h_13[position][0];
}