var imageFiles_4upwg_31 = new Array();
imageFiles_4upwg_31['0'] = new Array ('_images/4upwg_Products.gif', '_images/4upwg_ProductsMouseover.gif');
imageFiles_4upwg_31['1'] = new Array ('_images/4upwg_Services.gif', '_images/4upwg_ServicesMouseover.gif');
imageFiles_4upwg_31['2'] = new Array ('_images/4upwg_Installation.gif', '_images/4upwg_InstallationMouseover.gif');
imageFiles_4upwg_31['3'] = new Array ('_images/4upwg_Warranty_Info.gif', '_images/4upwg_Warranty_InfoMouseover.gif');

function image_on_4upwg_31 (position) {
   var doc = eval("document.image4upwg_31" + position);
   doc.src = imageFiles_4upwg_31[position][1];
}

function image_off_4upwg_31 (position) {
   var doc = eval("document.image4upwg_31" + position);
   doc.src = imageFiles_4upwg_31[position][0];
}