var aqty = new Array ();  // amount qty breakpoint
var aamt = new Array ();  // amount to charge
var an   = 0;             // number of discount brkpts

var hqty = new Array ();  // handling qty breakpoints
var hamt = new Array ();  // amount charged
var hn   = 0;             // number of handling brkpts

var qqty = new Array ();  // quantity discount breakpoints
var qamt = new Array ();  // amount of discount
var qd   = 0;             // number of qty breakpoints

var sqty = new Array ();  // shipping qty breakpoints
var samt = new Array ();  // amount charged
var sn   = 0;             // number of shipping brkpts
var stxt = "";            // shipping type text

var taxp = 0;             // tax percent for this order

var coup = 1;             // discount coupon not active
var cdis = 0;             // amount of coupon discount (%)
var cpon = "";            // coupon string
var coupons = new Array ();     // array of valid coupon names
coupons[0] = "cp40wks2";        // list as many as you want...
coupons[1] = "4afriend";
coupons[2] = "mommieswithstyle";
coupons[3] = "bellyconnection";
coupons[4] = "style";
coupons[5] = "Baby01";
coupons[6] = "Baby02";
coupons[7] = "Baby03";
coupons[8] = "Baby04";
coupons[9] = "Baby05";
coupons[10] = "Baby06";
coupons[11] = "Baby07";
coupons[12] = "Baby08";
coupons[13] = "Baby09";
coupons[14] = "Baby10";
coupons[15] = "Baby11";
coupons[16] = "Baby12";
coupons[17] = "Baby13";
coupons[18] = "Baby14";
coupons[19] = "Baby15";
coupons[20] = "Baby16";
coupons[21] = "Baby17";
coupons[22] = "Baby18";
coupons[23] = "Baby19";
coupons[24] = "Baby20";
coupons[25] = "40classymommy";
coupons[26] = "01AHCO";
coupons[27] = "02AHCO";
coupons[28] = "03AHCO";
coupons[29] = "04AHCO";
coupons[30] = "05AHCO";
coupons[31] = "06AHCO";
coupons[32] = "07AHCO";
coupons[33] = "08AHCO";
coupons[34] = "09AHCO";
coupons[35] = "10AHCO";
coupons[36] = "11AHCO";
coupons[37] = "12AHCO";
coupons[38] = "13AHCO";
coupons[39] = "14AHCO";
coupons[40] = "15AHCO";
coupons[41] = "16AHCO";
coupons[42] = "17AHCO";
coupons[43] = "18AHCO";
coupons[44] = "19AHCO";
coupons[45] = "20AHCO";
coupons[46] = "21AHCO";
coupons[47] = "22AHCO";
coupons[48] = "23AHCO";
coupons[49] = "01ahco";
coupons[50] = "02ahco";
coupons[51] = "03ahco";
coupons[52] = "04ahco";
coupons[53] = "05ahco";
coupons[54] = "06ahco";
coupons[55] = "07ahco";
coupons[56] = "08ahco";
coupons[57] = "09ahco";
coupons[58] = "10ahco";
coupons[59] = "11ahco";
coupons[60] = "12ahco";
coupons[61] = "13ahco";
coupons[62] = "14ahco";
coupons[63] = "15ahco";
coupons[64] = "16ahco";
coupons[65] = "17ahco";
coupons[66] = "18ahco";
coupons[67] = "19ahco";
coupons[68] = "20ahco";
coupons[69] = "21ahco";
coupons[70] = "22ahco";
coupons[71] = "23ahco";
coupons[72] = "2007baby";
coupons[73] = "getready";



var coupondis = new Array ();   // array of valid coupon discount %
coupondis[0] = 15;              // list as many as you want...
coupondis[1] = 15;
coupondis[2] = 15;
coupondis[3] = 15;
coupondis[4] = 15;
coupondis[5] = 15;
coupondis[6] = 15;
coupondis[7] = 15;
coupondis[8] = 15;
coupondis[9] = 15;
coupondis[10] = 15;
coupondis[11] = 15;
coupondis[12] = 15;
coupondis[13] = 15;
coupondis[14] = 15;
coupondis[15] = 15;
coupondis[16] = 15;
coupondis[17] = 15;
coupondis[18] = 15;
coupondis[19] = 15;
coupondis[20] = 15;
coupondis[21] = 15;
coupondis[22] = 15;
coupondis[23] = 15;
coupondis[24] = 15;
coupondis[25] = 15;
coupondis[26] = 15;
coupondis[27] = 15;
coupondis[28] = 15;
coupondis[29] = 15;
coupondis[30] = 15;
coupondis[31] = 15;
coupondis[32] = 15;
coupondis[33] = 15;
coupondis[34] = 15;
coupondis[35] = 15;
coupondis[36] = 15;
coupondis[37] = 15;
coupondis[38] = 15;
coupondis[39] = 15;
coupondis[40] = 15;
coupondis[41] = 15;
coupondis[42] = 15;
coupondis[43] = 15;
coupondis[44] = 15;
coupondis[45] = 15;
coupondis[46] = 15;
coupondis[47] = 15;
coupondis[48] = 15;
coupondis[49] = 15;
coupondis[50] = 15;
coupondis[51] = 15;
coupondis[52] = 15;
coupondis[53] = 15;
coupondis[54] = 15;
coupondis[55] = 15;
coupondis[56] = 15;
coupondis[57] = 15;
coupondis[58] = 15;
coupondis[59] = 15;
coupondis[60] = 15;
coupondis[61] = 15;
coupondis[62] = 15;
coupondis[63] = 15;
coupondis[64] = 15;
coupondis[65] = 15;
coupondis[66] = 15;
coupondis[67] = 15;
coupondis[68] = 15;
coupondis[69] = 15;
coupondis[70] = 15;
coupondis[71] = 15;
coupondis[72] = 10;
coupondis[73] = 10;







var on  = 1;
var off = 0;

var root = new Object ();
root.xx_ship = off;       // default is no shipping


function ChkCoup (val) {  // check for a discount coupon
var i;
   for (i=0; i<coupons.length; i++) {
     if (val == coupons[i]) {
       coup = 1;            // user hit the coupon value
       cdis = coupondis[i]; // remember the discount amt
       cpon = val;          // remember the coupon code
       return;
     }
   }
   alert ("\n\n\n  '" + val + "' not a valid code!  \n\n");
}

function ChkFlg (amt, temp) { // check for special flag char var pos;
   pos  = temp.indexOf ("@");  // is there an initial value?
   if (pos >= 0) amt = temp.substring (pos + 1)*1.0;
   pos  = temp.indexOf ("+");  // is there a price adjustment?
   if (pos >= 0) amt = amt + temp.substring (pos + 1)*1.0;
   pos  = temp.indexOf ("%");  // is there a percent adjustment?
   if (pos >= 0) amt = amt * (1.0 + temp.substring (pos + 1)/100.0);
   return amt;
}

function ClearAll () {
   sn = 0;  // reset shipping indicator
}

function Dollar (val) {  // force to valid dollar amount
var str,pos,rnd=0;
   if (val < 1) rnd = 1;
   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 Process (obj1) {      // process the form, but no submit
var i,j,obj,bqty,bamt,btxt,tdis,thnd,tshp,ttax,val,pos;
   if (root.xx_ship == on) {  // is shipping on?
     if (sn == 0) {
       alert("Select shipping method!");
       return false;
     }
   }
   if (!obj1.quantity) {
     alert ("HTML must have quantity field!");
     return false;
   }
   if (!obj1.basedes) {
     alert ("HTML must have basedes field!");
     return false;
   }
   if (!obj1.baseamt) {
     alert ("HTML must have baseamt field!");
     return false;
   }
   btxt = obj1.basedes.value;          // reload desc
   bamt = obj1.baseamt.value*1.0;      //  and amount
   bqty = obj1.quantity.value;         // selected quantity
   if (isNaN(bqty) || bqty == "" || bqty < 1) {
     alert ("Quantity not valid - forcing to 1!");
     bqty = 1;
     obj1.quantity.value = "1";
   }
   bqty = bqty*1.0;                    // float that sucker

   for (i=0; i<obj1.length; i++) {     // run whole form
     obj = obj1.elements[i];           // ref particular element
     if (obj.name != "") continue;     // skip named elements
     if (obj.type == "select-one") {   // dropdowns
       pos = obj.selectedIndex;        // which option selected
       val = obj.options[pos].value;   // get selection
       bamt = ChkFlg (bamt, val);      // any flag chars
       btxt = btxt + ", " + val;
     } else
     if (obj.type == "select-multiple") { // one or more
       for (j=0; j<obj.options.length; j++) { // run all options
         if (obj.options[j].selected) {
           val = obj.options[j].value;
           bamt = ChkFlg (bamt, val);     // any flag chars
           btxt = btxt + ", " + val;
         }
       }
     } else
     if (obj.type == "checkbox") {     // checkboxes
       if (obj.checked) {              // just the selected ones
         val = obj.value;              // the value of it
         bamt = ChkFlg (bamt, val);    // any flag chars
         btxt = btxt + ", " + val;
       }
     } else
     if (obj.type == "text") {         // text
       if (obj.value.length > 0) {
         val = obj.value;              // the value of it
         btxt = btxt + ", " + val;
       }
     }
   }

   for (i=an-1; i>=0; i--) {       // qty amount?
     if (bqty >= aqty[i]) {        // qty brkpt
       bamt = aamt[i]*1.0;         // set amount from qty
       btxt = btxt + ", AMT=" + Dollar (bamt);
       break;                      // get out, now
     }
   }

   tdis = 0;                       // qty discounts
   for (i=qd-1; i>=0; i--) {       // run backwards
     if (bqty >= qqty[i]) {        // qty brkpt
       tdis = qamt[i]*1.0;
       bamt = bamt - tdis;         // Deduct from item price
       btxt = btxt + ", QDIS=$" + Dollar (tdis);
       break;                      // get out, now
     }
   }

   if (coup > 0 &&                 // coupon discount percent?
       cdis > 0) {
     bamt = bamt * (1.0 - cdis/100.0);
     btxt = btxt + ", COUPON=" + cpon + ", DISCOUNT=" + cdis + "%";
   }

   thnd = 0;                  // handling charges
   for (i=hn-1; i>=0; i--) {  // run backwards
     if (bqty >= hqty[i]) {   // qty brkpt
       thnd = hamt[i];        // set hand amount
       obj1.handling.value = Dollar (thnd);
       break;                 // get out, now
     }
   }

   tshp = 0;                  // shipping charges
   for (i=sn-1; i>=0; i--) {  // run backwards
     if (bqty >= sqty[i]) {   // qty brkpt
       tshp = samt[i]*1.0;    // set shipping amount
       btxt = btxt + ", SHP:" + stxt;
       break;                 // get out, now
     }
   }

/* At this point everything has been calculated except tax.
We need to figure out what we need to calculate tax on.  Handling is most often put into the tax calculation, but shipping is a toss-up.

In the following statement you may need to modify the Dollar amount to include shipping - I have already included handling (thnd) - just add tshp to include shipping in the tax calculation... */

   ttax = 0;
   if (taxp > 0 &&              // have a percent recorded?
       obj1.tax) {              // check for override
     ttax = taxp/100.0;         // yep - calculate it.
     obj1.tax.value = Dollar (ttax * bqty * (bamt + thnd));
   }

   obj1.shipping.value = Dollar (tshp);
   obj1.amount.value = Dollar (bamt);  // plug amount
   obj1.item_name.value = btxt;        // and descriptiuon
}

function SetHN (q1, h1) {      // set qty handling breakpoints
var i;
   hn = 0;                      // count of breakpoints
   for (i=0; i<arguments.length; i=i+2) {
     hqty[hn] = arguments[i];   // qty breakpoint
     hamt[hn] = arguments[i+1]; // handling charge
     hn = hn + 1;               // number of bkpts
   }
}

function SetQA (q1, a1) {      // set qty amount breakpoints
var i;
   an = 0;                      // count of breakpoints
   for (i=0; i<arguments.length; i=i+2) {
     aqty[an] = arguments[i];   // quantity
     aamt[an] = arguments[i+1]; // amount
     an = an + 1;               // number of discount bkpts
   }
}

function SetQD (q1, d1) {      // set qty discount breakpoints
var i;
   qd = 0;                      // count of breakpoints
   for (i=0; i<arguments.length; i=i+2) {
     qqty[qd] = arguments[i];   // qty breakpoint
     qamt[qd] = arguments[i+1]; // discount amount
     qd = qd + 1;               // number of bkpts
   }
}

function SetSH (q1, s1) {      // set shipping breakpoints
var i;
   sn = 0;                      // count of breakpoints
   for (i=0; i<arguments.length; i=i+2) {
     sqty[sn] = arguments[i];   // price breakpoint
     samt[sn] = arguments[i+1]; // shipping charge
     sn = sn + 1;               // number of bkpts
   }
}

function SetTX (obj1) {  // Set tax percent for this order
var pos;
   pos  = obj1.selectedIndex;           // which item selected
   taxp = obj1.options[pos].value*1.0;  // float it
}

function Shipper (obj1) {  // process user-selected shipping var obj,pos;
   SetSH ();  // Don't delete this!  Shows bad selection was made.
   pos = obj1.selectedIndex;       // which item was selected?
   stxt = obj1.options[pos].text;  // user selection...
   switch (pos) {                  // item selected
     case 0:  // no selection made, return.
       break;
     case 1:  // West
       SetSH (1,2.00, 2,3.00, 5,4.00);
       break;
     case 2:  // Mid
       SetSH (1,1.50, 2,1.90, 3,200, 5,2.50);
       break;
     case 3:  // East
       SetSH (1,2.00, 2,3.00, 5,4.00);
       break;
     case 4:  // Can
       SetSH (1,3.00, 2,4.00, 5,7.00);
       break;
     case 5:  // Mex
       SetSH (1,2.50, 2,3.50, 5,6.00);
       break;
     default:
       SetSH (1, 99);  // outlandish, to detect.
       break;
   }
}