function go(form) {
   window.location = form.range.options[form.range.selectedIndex].value;

}
   
function preload_images () {
   var d = document;
	 if (!d.imgs) { d.imgs = new Array(); }
	 var j = d.imgs.length, args = preload_images.arguments, i;
	 for (i = 0; i < args.length; i++) {
		  d.imgs[j] = new Image;
			d.imgs[j].src = args[i];
			j++;
	 }
}


 function bookmark(title)
 {

   var urlAddress = location.href;
   var pageName = title;
   var browser = navigator.appName;

  if (browser == 'Microsoft Internet Explorer')
  {
     window.external.AddFavorite(urlAddress,pageName)
  }
  else if (browser == 'Netscape')
  { 
     alert("Your browser does not support this feature.  Use CTRL-D to bookmark this page");
  }
  else
  { 
   alert("Your browser does not support this feature.");
  }
 }



 function paymentMethod(method)
 {
   if (method == 'creditcard') {
     document.ship_form.ccname.disabled=false;
     document.ship_form.cctype.disabled=false;
     document.ship_form.ccnum.disabled=false;
     document.ship_form.cvv2.disabled=false;
     document.ship_form.ccexpy.disabled=false;
     document.ship_form.ccexpm.disabled=false;
     if (document.ship_form.print_po.value == 'y') {
       document.ship_form.purchase_order.disabled=true;
     }
   } else if (method == 'purchaseorder') {
     document.ship_form.purchase_order.disabled=false;
     if (document.ship_form.print_cc.value == 'y') {
       document.ship_form.ccname.disabled=true;
       document.ship_form.cctype.disabled=true;
       document.ship_form.ccnum.disabled=true;
       document.ship_form.cvv2.disabled=true;
       document.ship_form.ccexpy.disabled=true;
       document.ship_form.ccexpm.disabled=true;
     }
   } else {
     if (document.ship_form.print_po.value == 'y') {
       document.ship_form.purchase_order.disabled=true;
     }
     if (document.ship_form.print_cc.value == 'y') {
       document.ship_form.ccname.disabled=true;
       document.ship_form.cctype.disabled=true;
       document.ship_form.ccnum.disabled=true;
       document.ship_form.ccexpy.disabled=true;
       document.ship_form.ccexpm.disabled=true;
       document.ship_form.cvv2.disabled=true;
     }
   }
 }

function hideShowCalc(recip) {
 recip = (recip != '') ? '_'+recip : '';
 if (document.getElementById('cart_ship_estimator'+recip) != null && typeof document.getElementById('cart_ship_estimator'+recip) != 'undefined') {
   var div = document.getElementById('cart_ship_estimator'+recip);
   var link = document.getElementById('hideShowCalc'+recip);
 } else {
   return false;
 }
 div.style.display = (div.style.display == 'block') ? 'none' : 'block';
 link.innerHTML = (div.style.display == 'block') ? 'Hide Details' : 'Show Details';
}