function numberCheck(iptValue)
{

  var temp,validChars,flag

  flag = true

  // ASSIGN THE CHARACTERS THAT ARE PERMITTED TO VALIDCHARS

  validChars = "0123456789" 
  temp = iptValue

  // CHECK FOR NULL STRING

  if (temp.length == 0)
    return false;

  
  else{

   //LOOP THROUGH THE STRING

     for (i=0; i<temp.length; i++){

       // IF THE STRING CARRIES CHARACTER OTHER THAN THE VALID ONES BREAK AND ALERT

        if (validChars.indexOf(temp.charAt(i)) < 0){
           flag = false
           break
        }
       
     }  
     
     if (flag)
      return true;
     else
      return false;


  }    

}



function amountCheck(iptValue)
{

  var temp,validChars,flag,flag1,flag2

  flag = true
  flag1 = true
  flag2 = false
  flag3 = false

  // ASSIGN THE CHARACTERS THAT ARE PERMITTED TO VALIDCHARS

  validChars = "0123456789.,"
  validChars1 = "0123456789"  
  temp = iptValue
  
  if (temp.indexOf("..") == -1)
     flag2 = true
     

  for (i=0; i<temp.length; i++){

       // IF THE STRING CARRIES CHARACTER OTHER THAN THE VALID ONES BREAK AND ALERT

        if (validChars1.indexOf(temp.charAt(i)) > 0){
           flag3= true
           break
           
        }
  }   

  // CHECK FOR NULL STRING
  
  if (temp.length == 0)
    return false;
  
  else{
    if (flag3){
   //LOOP THROUGH THE STRING
     for (i=0; i<temp.length; i++){

       // IF THE STRING CARRIES CHARACTER OTHER THAN THE VALID ONES BREAK AND ALERT

        if (validChars.indexOf(temp.charAt(i)) < 0){
           flag = false
           break
        }
       
     }  
     
     if ( (flag) && (flag2))
      return true;
     else
      return false;
  }
  
  else
    return false

  }    

}