var imageFiles_11_13 = new Array();
imageFiles_11_13['0'] = new Array ('_images/11_Home_.gif', '_images/11_Home_Mouseover.gif');
imageFiles_11_13['1'] = new Array ('_images/11_Custom_Trailers.gif', '_images/11_Custom_TrailersMouseover.gif');
imageFiles_11_13['2'] = new Array ('_images/11_Four_Wheel_Series.gif', '_images/11_Four_Wheel_SeriesMouseover.gif');
imageFiles_11_13['3'] = new Array ('_images/11_Power_Parts_Washer.gif', '_images/11_Power_Parts_WasherMouseover.gif');
imageFiles_11_13['4'] = new Array ('_images/11_Trailer_Units.gif', '_images/11_Trailer_UnitsMouseover.gif');
imageFiles_11_13['5'] = new Array ('_images/11_Gas___Diesel.gif', '_images/11_Gas___DieselMouseover.gif');
imageFiles_11_13['6'] = new Array ('_images/11_Cleaning_Supplies.gif', '_images/11_Cleaning_SuppliesMouseover.gif');
imageFiles_11_13['7'] = new Array ('_images/11_AQUATRET.gif', '_images/11_AQUATRETMouseover.gif');
imageFiles_11_13['8'] = new Array ('_images/11_Service___Parts.gif', '_images/11_Service___PartsMouseover.gif');
imageFiles_11_13['9'] = new Array ('_images/11_Contact_Us.gif', '_images/11_Contact_UsMouseover.gif');
imageFiles_11_13['10'] = new Array ('_images/11_Recycling_Systems.gif', '_images/11_Recycling_SystemsMouseover.gif');
imageFiles_11_13['11'] = new Array ('_images/11_Graffitti_Remover.gif', '_images/11_Graffitti_RemoverMouseover.gif');

function image_on_11_13 (position) {
   var doc = eval("document.image11_13" + position);
   doc.src = imageFiles_11_13[position][1];
}

function image_off_11_13 (position) {
   var doc = eval("document.image11_13" + position);
   doc.src = imageFiles_11_13[position][0];
}