<!--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    }  }

if (qty == 1)
  { obj1.item_name.value = des; }
else  { obj1.item_name.value = des + ", " + qty + " copies at $" +                         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  }}//-->