<script>
 var thoudelim = ",";
 var decdelim = ".";
 var curr = "";
 var d=document;

 function haltnondigit(e) {
  var allowkey=Array(48,49,50,51,52,53,54,55,56,57,8,9,188,190,45,46,13,33,34,35,36,37,38,39,40,112,113,114,115,116,117,118,119,120,121,123);
  if(allowkey.indexOf(e.keyCode)==-1) return false;
  return true;
 }
 function format(s,r) {
  s=Math.round(s*Math.pow(10,r))/Math.pow(10,r);
  s=String(s);s=s.split(".");var l=s[0].length;var t="";var c=0;
  while(l>0){t=s[0][l-1]+(c%3==0&&c!=0?thoudelim:"")+t;l--;c++;}
  s[1]=s[1]==undefined?"0":s[1];
  for(i=s[1].length;i<r;i++) {s[1]+="0";}
  return curr+t+decdelim+s[1];
 }
 function input_focus(t) {
  t.value=t.getAttribute('ref');t.select();
 }
 function input_keydown(t,e) {
  return haltnondigit(e);t.value=t.getAttribute('ref');
 }

function input_keyup(t,i) {
t.setAttribute('ref',t.value);
var temp=
parseFloat(document.getElementById('qtypakai".$i."').getAttribute('ref'))*
parseFloat(document.getElementById('qty').getAttribute('ref'));
document.getElementById('qtypakai".$i."').setAttribute('ref',temp);
document.getElementById('qty').innerHTML=format(temp,2);

calc_total();

}


 function input_onblur(t) {
  t.value=format(t.value,2);
  return false;
 }
 function calc_total() {
  var x=d.getElementsByTagName("div");
  var total=0;
  for(i=0;i<x.length;i++) {
   if(x[i].id=="jumlah") total+=isNaN(parseFloat(x[i].getAttribute("ref")))?0:parseFloat(x[i].getAttribute("ref"));
  }
  d.getElementById("total").value=format(total,2);
 }
</script>
<table width="900" border="1">
    <tr>
      <td width="420">MATERIAL</td>
      <td width="96">QTY STOCK</td>
      <td width="95">QTY PAKAI</td>
      <td width="209">QTY SISA</td>
    </tr>
 <?php
    $i=1;
    while($row_brg = mysql_fetch_assoc($brg)){
echo "
    <tr>
      <td>".$row_brg['material']."</td>
        <td>".$row_brg['qty']."
      </td><td><input type='text' name='qtypakai".$i."' id='qtypakai".$i."' value=0,00
        rel=".$row_brg['qty']."
        ref='0'
        onfocus='input_focus(this);'
        onkeydown='return input_keydown(this,event);'
        onkeyup='input_keyup(this,".$i.");'
        onblur='return input_onblur(this);'
        >
         </td><td><div id='jumlah' ref=0,00>0,00</div>
         </td>
    </tr>";
    }
?>
<tr>
<td colspan="3">TOTAL </td>
<td><input name="total" type="text" id="total" readonly="readonly" /></td>
</tr>
  </table>