var imageFiles_3n_4 = new Array();
imageFiles_3n_4['0'] = new Array ('_images/3n_Home.gif', '_images/3n_HomeMouseover.gif');
imageFiles_3n_4['1'] = new Array ('_images/3n_About_Us.gif', '_images/3n_About_UsMouseover.gif');
imageFiles_3n_4['2'] = new Array ('_images/3n_Paving.gif', '_images/3n_PavingMouseover.gif');
imageFiles_3n_4['3'] = new Array ('_images/3n_Excavation.gif', '_images/3n_ExcavationMouseover.gif');
imageFiles_3n_4['4'] = new Array ('_images/3n_Masonry.gif', '_images/3n_MasonryMouseover.gif');
imageFiles_3n_4['5'] = new Array ('_images/3n_Demolition.gif', '_images/3n_DemolitionMouseover.gif');
imageFiles_3n_4['6'] = new Array ('_images/3n_Concrete.gif', '_images/3n_ConcreteMouseover.gif');
imageFiles_3n_4['7'] = new Array ('_images/3n_Trucking.gif', '_images/3n_TruckingMouseover.gif');
imageFiles_3n_4['8'] = new Array ('_images/3n_Landscaping_.gif', '_images/3n_Landscaping_Mouseover.gif');
imageFiles_3n_4['9'] = new Array ('_images/3n_Gallery.gif', '_images/3n_GalleryMouseover.gif');
imageFiles_3n_4['10'] = new Array ('_images/3n_Snow_Plowing.gif', '_images/3n_Snow_PlowingMouseover.gif');
imageFiles_3n_4['11'] = new Array ('_images/3n_Contact_Us.gif', '_images/3n_Contact_UsMouseover.gif');

function image_on_3n_4 (position) {
   var doc = eval("document.image3n_4" + position);
   doc.src = imageFiles_3n_4[position][1];
}

function image_off_3n_4 (position) {
   var doc = eval("document.image3n_4" + position);
   doc.src = imageFiles_3n_4[position][0];
}