ie4=false;nn4=false;nn6=false;
if(document.all) ie4=true;
if(document.layers)	nn4=true;
if(document.getElementById&&!ie4) nn6=true;
if (window!= top) top.location.href=location.href;

function handleResize() {
   if (((initWidth != window.innerWidth) || (initHeight !=window.innerHeight)) && (typeof disableReload == "undefined")) {
     location.reload();
   }
   return false;
}

function calc(fl) {
	var form = document.forms['basket']
	var v, el, qty, sfx, t, total = 0
	for(var i=0; i<form.elements.length; i++) {
		el = form.elements[i]
		if (el.name.substring(0,4) == 'qty_') {
			qty = parseInt(el.value)
			v = qty
			if (isNaN(qty)) { v = 1; qty = (!fl) ? '' : 1 ; }
			else if (qty < 1) { v = 1; qty = 1; }
			sfx = el.name.substring(4,el.name.length)
			el.value = qty
			t = '' + parseInt(Math.round(parseFloat(form['price_'+sfx].value * v * 100)))
			total = total + parseFloat(t)
			t = t.substring(0,t.length-2) + '.' + t.substring(t.length-2,t.length)
			form['total_'+sfx].value = (t.length==0) ? 0 : t
		}
	}
	total += ''
	total = total.substring(0,total.length-2) + '.' + total.substring(total.length-2,total.length)
	form['total'].value= total
	form.recalc.disabled = false
}

function cng(el,d) {
	var form = document.forms['basket']
	var qty = parseInt(form['qty_'+el].value)
	if (isNaN(qty)) qty = 1
	qty += d
	if (qty < 1) qty = 1
	form['qty_'+el].value = qty
	calc()
}

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_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 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_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() { //v3.0
  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; }
}