// JavaScript Document
function MM_swapImgRestore() {
  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_preloadImages() {
  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_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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() {
  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 GBP (val) {
var str,pos,rnd=0;
  if (val < .995) rnd = 1;
  str = escape (val*1.0 + 0.005001 + rnd);
  pos = str.indexOf (".");
  if (pos > 0) str = str.substring (rnd, pos + 3);
  return str;
}
var amt,des,obj,val,op1a,op1b,op2a,op2b,itmn;
function ChkTok (obj1) {
var j,tok,ary=new Array ();
  ary = val.split (" ");
  for (j=0; j<ary.length; j++) {
    if (ary[j].length < 2) continue;
    tok = ary[j].substring (0,1);
    val = ary[j].substring (1);
    if (tok == "@") amt = val * 1.0;
    if (tok == "+") amt = amt + val*1.0;
    if (tok == "%") amt = amt + (amt * val/100.0);
    if (tok == "#") {
      if (obj1.item_number) obj1.item_number.value = val;
      ary[j] = "";
    }
    if (ary[j].length < 4) continue;
    tok = ary[j].substring (0,3);
    val = ary[j].substring (3);
    if (tok == "s1=") {
      if (obj1.shipping)  obj1.shipping.value  = val;
      ary[j] = "";
    }
    if (tok == "s2=") {
      if (obj1.shipping2) obj1.shipping2.value = val;
      ary[j] = "";
    }
  }
  val = ary.join (" ");
}
function StorVal () {
var tag;
  tag = obj.name.substring (obj.name.length-2);
  if      (tag == "1a") op1a = op1a + " " + val;
  else if (tag == "1b") op1b = op1b + " " + val;
  else if (tag == "2a") op2a = op2a + " " + val;
  else if (tag == "2b") op2b = op2b + " " + val;
  else if (tag == "3i") itmn = itmn + " " + val;
  else if (des.length == 0) des = val;
  else des = des + ", " + val;
}
function ReadForm (obj1, tst) {
var i,j,pos;
  amt=0;des="";op1a="";op1b="";op2a="";op2b="";itmn="";
  if (obj1.baseamt) amt  = obj1.baseamt.value*1.0;
  if (obj1.basedes) des  = obj1.basedes.value;
  if (obj1.baseon0) op1a = obj1.baseon0.value;
  if (obj1.baseos0) op1b = obj1.baseos0.value;
  if (obj1.baseon1) op2a = obj1.baseon1.value;
  if (obj1.baseos1) op2b = obj1.baseos1.value;
  if (obj1.baseitn) itmn = obj1.baseitn.value;
  for (i=0; i<obj1.length; i++) {
    obj = obj1.elements[i];
    if (obj.type == "select-one") {
      if (obj.name == "quantity" ||
          obj.name == "amount") continue;
      pos = obj.selectedIndex;
      val = obj.options[pos].value;
      ChkTok (obj1);
      if (obj.name == "on0" ||
          obj.name == "os0" ||
          obj.name == "on1" ||
          obj.name == "os1") continue;
      StorVal ();   
    } else
    if ((obj.type == "text" ||
         obj.type == "textarea") &&
         obj.name != "tot" && 
         obj.name != "quantity") {
      val = obj.value;
      if (val == "" && tst) {        
      }
      StorVal ();
    }
  }
  if (op1a.length > 0) obj1.on0.value = op1a;
  if (op1b.length > 0) obj1.os0.value = op1b;
  if (op2a.length > 0) obj1.on1.value = op2a;
  if (op2b.length > 0) obj1.os1.value = op2b;
  if (itmn.length > 0) obj1.item_number.value = itmn;
  obj1.item_name.value = des;
  obj1.amount.value = GBP (amt);
  if (obj1.tot) obj1.tot.value = "£" + GBP (amt);
}
var base;
var str1,str2;
function Click (obj1) {
  if (!obj1.src) return;
  base = str1 + "3." + str2;
}
function Out (obj1) {
  if (!obj1.src) return;
  obj1.src = base;
}
function Over (obj1) {
var indx;
  if (!obj1.src) return;
  base = obj1.src;
  indx = base.lastIndexOf (".");
  str1 = base.substring (0, indx - 1);
  str2 = base.substring (indx + 1);
  obj1.src = str1 + "2." + str2;
}
var imgsx = new Array ();
function PreCache () {
var i;
  if (!document.images) return;
  for (i=0; i<arguments.length; i++) {
    imgsx[i] = new Image ();
    imgsx[i].src = arguments[i];
  }
}