var imageFiles_63_21 = new Array();
imageFiles_63_21['0'] = new Array ('_images/63_Home.gif', '_images/63_HomeMouseover.gif');
imageFiles_63_21['1'] = new Array ('_images/63_About_Us.gif', '_images/63_About_UsMouseover.gif');
imageFiles_63_21['2'] = new Array ('_images/63_Contact_Us.gif', '_images/63_Contact_UsMouseover.gif');
imageFiles_63_21['3'] = new Array ('_images/63_Testimonials.gif', '_images/63_TestimonialsMouseover.gif');
imageFiles_63_21['4'] = new Array ('_images/63_Upcoming_Events.gif', '_images/63_Upcoming_EventsMouseover.gif');
imageFiles_63_21['5'] = new Array ('_images/63_Endorsements.gif', '_images/63_EndorsementsMouseover.gif');
imageFiles_63_21['6'] = new Array ('_images/63_Tax_Credits___Rebates.gif', '_images/63_Tax_Credits___RebatesMouseover.gif');
imageFiles_63_21['7'] = new Array ('_images/63_Services.gif', '_images/63_ServicesMouseover.gif');
imageFiles_63_21['8'] = new Array ('_images/63_Air_Conditioners.gif', '_images/63_Air_ConditionersMouseover.gif');
imageFiles_63_21['9'] = new Array ('_images/63_Furnaces.gif', '_images/63_FurnacesMouseover.gif');
imageFiles_63_21['10'] = new Array ('_images/63_Boilers.gif', '_images/63_BoilersMouseover.gif');
imageFiles_63_21['11'] = new Array ('_images/63_Water_Heaters.gif', '_images/63_Water_HeatersMouseover.gif');

function image_on_63_21 (position) {
   var doc = eval("document.image63_21" + position);
   doc.src = imageFiles_63_21[position][1];
}

function image_off_63_21 (position) {
   var doc = eval("document.image63_21" + position);
   doc.src = imageFiles_63_21[position][0];
}