//Menu IMages
<!--- Load image rollovers --->
m1_off = new Image();
m1_off.src = "http://www.hoggdavis.com/images/b_trailers.gif";
m1_on = new Image();
m1_on.src = "http://www.hoggdavis.com/images/b_trailers_f2.gif";

m2_off = new Image();
m2_off.src = "http://www.hoggdavis.com/images/b_tools.gif";
m2_on = new Image();
m2_on.src = "http://www.hoggdavis.com/images/b_tools_f2.gif";

// HOME PAGE BOX NAV IMAGES

home_off = new Image();
home_off.src = "http://www.hoggdavis.com/images/b_home.gif";
home_on = new Image();
home_on.src = "http://www.hoggdavis.com/images/b_home_f2.gif";

dealers_off = new Image();
dealers_off.src = "http://www.hoggdavis.com/images/b_dealers.gif";
dealers_on = new Image();
dealers_on.src = "http://www.hoggdavis.com/images/b_dealers_f2.gif";

news_off = new Image();
news_off.src = "http://www.hoggdavis.com/images/b_news.gif";
news_on = new Image();
news_on.src = "http://www.hoggdavis.com/images/b_news_f2.gif";

contact_off = new Image();
contact_off.src = "http://www.hoggdavis.com/images/b_contact.gif";
contact_on = new Image();
contact_on.src = "http://www.hoggdavis.com/images/b_contact_f2.gif";



function rollOn(imgName) {
  if (document.images) {
    document[imgName].src = eval(imgName + "_on.src");
  }
}

function rollOff(imgName) {
  if (document.images) {
    document[imgName].src = eval(imgName + "_off.src");
  }
}

// CALCUALTE POSITION FOR DROP DOWN MENUES
function calcPosition() {
var winWidth = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    winWidth = window.innerWidth;
  } else {
    if( document.documentElement &&
        ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
      //IE 6+ in 'standards compliant mode'
      winWidth = document.documentElement.clientWidth;
    } else {
      if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
        //IE 4 compatible
        winWidth = document.body.clientWidth;
      }
    }
  }
if ( winWidth > 770) {
	leftOrigin = (((winWidth-770)/2));
} else {
	leftOrigin = 0;
}
left1 = leftOrigin + 57;
left2 = leftOrigin + 245;
}


function moveLayers() {
var browserName=navigator.appName; 

if(document.all){
	thisbrowser="ie"
}
if(!document.all && document.getElementById){
	thisbrowser="NN6";
}
calcPosition();
if (thisbrowser=="NN6") {
<!--- NN 6 and up--->
document.getElementById("Layer1").style.left =  left1;
document.getElementById("Layer2").style.left =  left2;
} else {
<!--- IE --->
eval(document.all["Layer1"].style.left = left1);
eval(document.all["Layer2"].style.left = left2);
	}
}