function find_tip ()
  		{
                    var bill=parseFloat(document.frmTip.txtBill.value);
                    var pct=parseFloat(document.frmTip.txtPercent.value);
                    var decimalPct = pct / 100;
                    var tip = bill * decimalPct;
                    var total = bill + tip; 
                    var message = 'You should tip $' + tip.toFixed(2) + 
                                  ' on your bill of ' + bill + 
                                  ', for a total of $' + total.toFixed(2) + '.';
                    document.frmTip.araResults.value = message;
		}