//Drop Down Menu Script
<!--//--><![CDATA[//><!--

function sfHover() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


function preloadImages() {
	if (document.images)
    {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = "images/banners/photobar_home.jpg";
      image_url[1] = "images/banners/photobar_chassis.jpg";
      image_url[2] = "images/banners/photobar_containers.jpg";
      image_url[3] = "images/banners/photobar_refrigerated.jpg";
	  image_url[4] = "images/banners/photobar_svcs.jpg";
	  image_url[5] = "images/banners/photobar_trucking.jpg";

       var i = 0;
       for(i=0; i<=5; i++) 
         preload_image_object.src = image_url[i];
    }
}

function swapImage(pageName){
	var imageFileName;
	switch(pageName)
	{
	case "trucking":
	  imageFileName = "photobar_trucking.jpg";
	  break;
	case "containers":
	  imageFileName = "photobar_containers.jpg";
	  break;
	case "chassis":
	  imageFileName = "photobar_chassis.jpg";
	  break;
	case "refrigerated":
	  imageFileName = "photobar_refrigerated.jpg";
	  break;
	case "special":
	  imageFileName = "photobar_svcs.jpg";
	  break;
	default:
	  imageFileName = "photobar_home.jpg";
	}	
	var obj = document.getElementById("photobar");
	obj.style.background = "url(images/banners/" + imageFileName + ")";
}

function swapImageBack(pageName) {
	var imageFileName;
	switch(pageName)
	{
	case "trucking":
	  imageFileName = "photobar_trucking.jpg";
	  break;
	case "containers":
	  imageFileName = "photobar_containers.jpg";
	  break;
	case "chassis":
	  imageFileName = "photobar_chassis.jpg";
	  break;
	case "refrigerated":
	  imageFileName = "photobar_refrigerated.jpg";
	  break;
	case "special":
	  imageFileName = "photobar_svcs.jpg";
	  break;
	default:
	  imageFileName = "photobar_home.jpg";
	}	
	var obj = document.getElementById("photobar");
	obj.style.background = "url(images/banners/" + imageFileName + ")";
}
//--><!]]>