<!--Adobe(R) ImageStyler(TM) 1.0 Generated JavaScript. Please do not edit.isamap = new Object();isamap[0] = "_df"isamap[1] = "_ov"isamap[2] = "_ot"isamap[3] = "_dn"function isimgact(id, act){	if(document.images) document.images[id].src = eval( "isimages." + id + isamap[act] + ".src");}if (document.images) { // ensure browser can do JavaScript rollovers.isimages = new Object();isimages.main_buttons_df = new Image();isimages.main_buttons_df.src = "images/main_buttonshome.gif";isimages.main_buttons_ov = new Image();isimages.main_buttons_ov.src = "images/main_buttonshomeov.gif";isimages.main_buttons1_df = new Image();isimages.main_buttons1_df.src = "images/main_buttonsabout_us.gif";isimages.main_buttons1_ov = new Image();isimages.main_buttons1_ov.src = "images/main_buttonsabout_usov.gif";isimages.main_buttons2_df = new Image();isimages.main_buttons2_df.src = "images/main_buttonsused_trucks.gif";isimages.main_buttons2_ov = new Image();isimages.main_buttons2_ov.src = "images/main_buttonsused_trucksov.gif";isimages.main_buttons3_df = new Image();isimages.main_buttons3_df.src = "images/main_buttonsparts.gif";isimages.main_buttons3_ov = new Image();isimages.main_buttons3_ov.src = "images/main_buttonspartsov.gif";isimages.main_buttons4_df = new Image();isimages.main_buttons4_df.src = "images/main_buttonsspecials.gif";isimages.main_buttons4_ov = new Image();isimages.main_buttons4_ov.src = "images/main_buttonsspecialsov.gif";isimages.main_buttons5_df = new Image();isimages.main_buttons5_df.src = "images/main_buttonsaccessories.gif";isimages.main_buttons5_ov = new Image();isimages.main_buttons5_ov.src = "images/main_buttonsaccessoriesov.gif";isimages.main_buttons6_df = new Image();isimages.main_buttons6_df.src = "images/main_buttonsengines.gif";isimages.main_buttons6_ov = new Image();isimages.main_buttons6_ov.src = "images/main_buttonsenginesov.gif";isimages.main_buttons7_df = new Image();isimages.main_buttons7_df.src = "images/main_buttonscontact.gif";isimages.main_buttons7_ov = new Image();isimages.main_buttons7_ov.src = "images/main_buttonscontactov.gif";}// end generated JavaScript. -->