<!--


function ChkCoup () {      // check user coupon entry
var i;
  discnt = 0;              // assume the worst
  for (i=0; i<coupons.length; i++) {
    if (coupval == coupons[i]) {
      discnt = coupdc[i];  // remember the discount amt
      alert ("Valid coupon number! \n\n" + discnt +
             "% discount now in effect.");
	document.getElementById('coupon2').innerHTML = "<p>Thank you very much<br />Please enjoy your " + discnt + "% discount.</p>";             
      return;
    }
  }
  alert ("'" + coupval + "'  is not a valid code!");
}
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) {  // apply the discount
var amt,des;
  amt = obj1.baseamt.value*1.0;       // base amount
  des = obj1.basedes.value;           // base description
  if (discnt > 0) {                   // only if discount is active
    amt = Dollar (amt - (amt * discnt/100.0));
    des = des + ", " + discnt + "% discount, COUP = " + coupval;
  }
  obj1.amount.value = Dollar (amt);
  obj1.item_name.value = des;
  
}
//-->
