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function Add()
{
   
      var p1=document.getElementById("txtEXO_NUM1");
      var p2=document.getElementById("txtFC_FU_NUM1");
      var p3 = document.getElementById("lblOUTFIT_VAL1");
      if(p1.value==null||p2.value==null)
      {
        p3.innserHTML="0";
        }
        else{
        p3.innerHTML=((parseInt(p2.value)/parseInt(p1.value))*100).toString();
        } 
       

}

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<table>
<Tr>
<Td>txtEXO_NUM1(textbox)  onblur="Add();" </td> <td>txtFC_FU_NUM1(textbox)  onblur="Add();" </td>
</tr>
<Tr>
<Td>txtEXO_NUM2(textbox)  onblur="Add();" </td> <td>txtFC_FU_NUM2(textbox)  onblur="Add();" </td>
</tr>
<Tr>
<Td>txtEXO_NUM3(textbox)  onblur="Add();" </td> <td>txtFC_FU_NUM3(textbox)  onblur="Add();" </td>
</tr>
<Tr>
<Td>txtEXO_NUM


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