// JavaScript Document

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function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
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function MM_reloadPage(init) {  //reloads the window if Nav4 resized
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  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
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MM_reloadPage(true);
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// JavaScript to handle the PayPal shopping cart and multiple quantities.
// Code taken from http://members.aol.com/paypalhelper/discnt.html
<!--
var ac = 0;    // table for qty/amt pairs
var aqty = new Array ();  // qty brkpt
var aamt = new Array ();  // amount to charge

var pc = 0;    // table for qty/percent pairs
var pqty = new Array ();  // qty brkpt
var pper = new Array ();  // percent to discount

function Dollar (val) {  // force to valid dollar amount
var str,pos,rnd=0;
  if (val < .995) rnd = 1;  // for old Netscape browsers
  str = escape (val*1.0 + 0.005001 + rnd);  // float, round, escape
  pos = str.indexOf (".");
  if (pos > 0) str = str.substring (rnd, pos + 3);
  return str;
}

function ReadForm (obj1) { // quantity based discounts
var i,amt,des,qty;
  amt = obj1.baseamt.value*1.0; // base amount
  des = obj1.basedes.value;     // base description
  qty = obj1.qty.value;         // get user quantity
  if (isNaN (qty) || qty < 1) { // make sure it's good
    alert ('"' + qty + '"' + ' is not a valid number!');
    ac = 0;                     // always zap the table
    pc = 0;
    return false;               // th-th-that's all, folks.
  }
  qty = qty*1.0;                // force to numeric

  for (i=ac-1; i>=0; i=i-1) {   // run table backwards
    if (qty >= aqty[i]) {       // use this entry
      amt = aamt[i];            // this is the real amount
      break;                    // get out, we're done
    }
  }
  for (i=pc-1; i>=0; i=i-1) {   // run table backwards
    if (qty >= pqty[i]) {       // use this entry
      amt = amt - (amt/100.0 * pper[i]);
      break;                    // get out, we're done
    }
  }

  obj1.item_name.value = des + ", package of " + qty + " items @" +
                         Dollar (amt) + " each.";
  obj1.amount.value = Dollar (amt * qty);
  ac = 0;  // reset item discount
  pc = 0;
}

function SetAmt (q1, a1) {  // set up a quantity-based amount table
var i;
  ac = 0;
  for (i=0; i<arguments.length; i=i+2) {  // build the table
    aqty[ac] = arguments[i];   // get real args and store 
    aamt[ac] = arguments[i+1];
    ac = ac + 1;               // number of pairs in table
  }
}

function SetPer (q1, p1) {  // set up a quantity-based percent table
var i;
  pc = 0;
  for (i=0; i<arguments.length; i=i+2) {  // build the table
    pqty[pc] = arguments[i];   // get real args and store 
    pper[pc] = arguments[i+1];
    pc = pc + 1;               // number of pairs in table
  }
}
//-->

<!-- Image rollover
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];}
}
//-->