function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}


function enable_pay(a)
{
if(a.checked) {
	document.getElementById('inv').disabled = false;
     document.getElementById('pp').disabled = false;
   }
  else {
        document.getElementById('pp').disabled = true;
        document.getElementById('inv').disabled = true;
      }
}

function ssl(a)
{
a.form.action = (a.checked) ? "https://"+document.getElementById("ssluri").value : "http://"+document.getElementById("ssluri").value;
}