var w,moving=false;if(l)d.captureEvents(Event.MOUSEMOVE);
document.write('<div id="altDiv" class="alt"><div class="altText"></div></div>');
window.onload=function(){w=getW('altDiv');};
function showAlt(alt,e){d.onmousemove=moveAlt;writeH('altDiv','<div class="altText">'+getAlt(alt)+'</div>');}
function moveAlt(e){x=getMouseX(e)+7;if((x+w)>getWinW())x=getWinW()-w;setX('altDiv',x+getScrollX());y=(getMouseY(e)-getH('altDiv'))-10;if(d.all)y+=getScrollY();if(y<getScrollY())y=getScrollY();setY('altDiv',y);if(!moving)showE('altDiv');moving=true;}
function hideAlt(){hideE('altDiv');moving=false;d.onmousemove=null;d.onmouseout=null;}
function getWinW(){if(d.all)return d.body.clientWidth;return window.innerWidth;}
function getAlt(str){switch(str){
  case "payload":return '<b>Payload</b><br />The sum resulting from subtraction of the curb weight from the gross vehicle weight rating (GVWR).';break;
  case "curb_weight":return '<b>Curb weight</b><br />The weight of an unmanned vehicle without cargo, but including fuel, necessary fluids, and all standard equipment';break;
  case "axle_ratio":return '<b>Axle Ratio</b><br />On rear-wheel-drive vehicles, rear-axle ratio is important for successful towing.  It is expressed as a ratio (4.1:1, for instance) between the driveshaft revolutions per minute and the rear axle\'s revolutions per minute.  The ratio means the small pinion gear at the end of the drive shaft must rotate 4.1 times for every rotation of the rear axle.';break;
  case "gcwr":return '<b>Gross Combination Weight Rating (GCWR)</b><br />Maximum allowable gross combination weight (GCW) of a fully equipped truck and trailer with cargo, driver and passengers, fuel, coolant, equipment, etc..';break;
  case "gcw":return '<b>Gross Combination Weight (GCW)</b><br />Total weight of a fully equipped truck and trailer with cargo, driver and passengers, fuel, coolant, equipment, etc.';break;
  case "gtw":return '<b>Gross Trailer Weight (GTW)</b><br />The weight of the trailer plus all the cargo in it. This is measured by putting a fully loaded trailer on a scale.';break;
  case "gtwr":return '<b>Gross Trailer Weight Rating (GTWR)</b><br />Maximum allowable weight of the trailer, plus its cargo.';break;
  case "gvw":return '<b>Gross Vehicle Weight (GVW)</b><br />The total weight of the tow vehicle, including driver, passengers, any special equipment (options, accessories and upfitted equipment), cargo, fuel, coolant, etc.';break;
  case "gvwr":return '<b>Gross Vehicle Weight Rating (GVWR)</b><br />The maximum allowable total weight of the tow vehicle, including driver, passengers, any special equipment (options, accessories and upfitted equipment), cargo, fuel, coolant, etc.';break;
  case "gawr":return '<b>Gross Axle Weight Rating (GAWR)</b><br />The maximum safe load-carrying capacity of a single axle system as measured at the tire/ground interfaces.  The weight includes the weight of the vehicle plus any load that must be supported by the axle, including tongue weight of a trailer or payload.';break;
  case "tongue_weight":return '<b>Tongue Weight</b><br />The downward force exerted on the hitch ball by the trailer coupler.';break;
  case "sticker":return '<img src="./img/sticker.gif" border="0" width="400" height="138" />';break;
  case "id":return '<b>Header</b><br />text';break;
  default:return str;}}