if(window.event + "" == "undefined") event = null;
function HM_f_PopUp(){return false};
function HM_f_PopDown(){return false};
popUp = HM_f_PopUp;
popDown = HM_f_PopDown;

// Function to pre-load images
function loadImages() {
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=loadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function findObj(n, d) {
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document); return x;
}

function rollImage(imID) {

swapImage(imID,'','/images/nav/' + imID + '_on.gif',1);

switch(imID) {
  case "home" : swapImage('mid1','','/images/nav/mid1_home.gif',1); break;
  case "aboutus" : swapImage('mid1','','/images/nav/mid1_aboutus.gif',1); swapImage('mid2','','/images/nav/mid2_aboutus.gif',1); break;
  case "products" : swapImage('mid2','','/images/nav/mid2_products.gif',1); swapImage('mid3','','/images/nav/mid3_products.gif',1); break;
  case "environment" : swapImage('mid3','','/images/nav/mid3_enviro.gif',1); swapImage('mid4','','/images/nav/mid4_enviro.gif',1); break;
  case "contacts" : swapImage('mid4','','/images/nav/mid4_contacts.gif',1); break;
  }
}

function resetImage(imID) {

swapImage(imID,'','/images/nav/' + imID + '.gif',1);

switch(imID) {
  case "home" : swapImage('mid1','','/images/nav/mid1.gif',1); break;
  case "aboutus" : swapImage('mid1','','/images/nav/mid1.gif',1); swapImage('mid2','','/images/nav/mid2.gif',1); break;
  case "products" : swapImage('mid2','','/images/nav/mid2.gif',1); swapImage('mid3','','/images/nav/mid3.gif',1); break;
  case "environment" : swapImage('mid3','','/images/nav/mid3.gif',1); swapImage('mid4','','/images/nav/mid4.gif',1); break;
  case "contacts" : swapImage('mid4','','/images/nav/mid4.gif',1); break;
  }
}

function swapImage() {
//  alert("swapping image");
  var i,j=0,x,a=swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// pre-load nav rollover images
loadImages(
'/images/nav/home_on.gif',
'/images/nav/aboutus_on.gif',
'/images/nav/products_on.gif',
'/images/nav/environment_on.gif',
'/images/nav/contacts_on.gif',
'/images/nav/mid1_home.gif',
'/images/nav/mid1_aboutus.gif',
'/images/nav/mid2_aboutus.gif',
'/images/nav/mid2_products.gif',
'/images/nav/mid3_products.gif',
'/images/nav/mid3_enviro.gif',
'/images/nav/mid4_enviro.gif',
'/images/nav/mid4_contacts.gif',
'/images/nav/prod_collars.gif',
'/images/nav/prod_veneers.gif',
'/images/nav/prod_spills.gif',
'/images/nav/prod_boxes.gif',
'/images/nav/prod_bark.gif'
);