function popup(url, name, height, width, scrollbars)
{
	var new_window;
	var centred_x = (screen.width / 2) - (width / 2);
	var centred_y = (screen.height / 2) - (height / 2);

	new_window = window.open(url, name, "directories=no,fullscreen=no,Venue=no,menubar=no,resizable=no,status=no,toolbar=no,height=" + height + ",width=" + width + ",left=" + centred_x + ",screenX=" + centred_x + ",top=" + centred_y + ",screenY=" + centred_y + ",scrollbars=" + scrollbars);
	new_window.focus();
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.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 MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function expandcollapse (postid) { 
whichpost = document.getElementById(postid); 
  if (whichpost.className=="postshown") { 
      whichpost.className="posthidden"; 
   } 
   else { 
      whichpost.className="postshown"; 
   }

function Stuff (obj) {
var pos,val;
pos = obj.postage.selectedIndex;
val = obj.postage.options[pos].value;
obj.handling_cart.value = val;
}