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/*function : format_number()  
version: 1.0.0  
This function formats a numeric value passed in to it with specified number of  
decimal values. numeric value will not be rounded.  
pnumber : numeric value to be formatted.  
decimals : number of decimal points desired.  

Author: Buddhike de Silva  
Date: 21-Nov-2002 11:16 AM*/  

/*  
revision: 1.1.0  
Author: M. Cassim Farook  
Date: 21-Nov-2002 10:16 PM  
Notes: No offense buddhike...but i had to rewrite the code  
works for ADT (any dam thing)  
usage: x = format_number(123.999, 2)  
*/  

/*  
revision: 1.2.0  
Authors: Buddhike de Silva  
Date: 22-Nov-2002 12:07 PM  
Notes: Optimized for best performence.  
usage: x = format_number(123.999, 2)  
*/  

/* 
 * Revision: 1.3 
 * Author: Mike Robb (JS-X.com) 
 * Date: May 26, 2003 
 * Notes:  Changed to deal with negative numbers. 
 *         Fixed length of final answer. 
 *         Work-around for javascript internal math problem with rounding negative numbers. 
 */ 

/*
 * Revision 1.4
 * Author: LeAnn Roberts
 * Date: September, 2003
 * Note: Modified the if logic: Math.pow()
 */
function format_number(pnumber,decimals) 
{  
  if (isNaN(pnumber)) { return 0};  
  if (pnumber=='') { return 0};  
   
  var IsNegative=(parseInt(pnumber)<0); 
  if(IsNegative)pnumber=-pnumber; 

  var snum = new String(pnumber);  
  var sec = snum.split('.');  
  var whole = parseInt(sec[0]);  
  var result = '';  
  if(sec.length > 1){  
    var dec = new String(sec[1]);  
    dec = parseInt(dec)/Math.pow(10,parseInt(dec.length-decimals-1)); 
Math.round(dec); 
dec = parseInt(dec)/10; 

if(IsNegative) 
{ 
  var x = 0-dec; 
      x = Math.round(x); 
  dec = - x; 
} 
else 
{ 
      dec = Math.round(dec); 
} 

/* 
 * If the number was rounded up from 9 to 10, and it was for 1 'decimal' 
 * then we need to add 1 to the 'whole' and set the dec to 0. 
 */ 
if(dec==Math.pow(10, parseInt(decimals)))
{ 
  whole+=1; 
  dec="0"; 
} 

    dec = String(whole) + "." + String(dec);  
    var dot = dec.indexOf('.');  
    if(dot == -1){  
      dec += '.';  
      dot = dec.indexOf('.');  
    } 
var l=parseInt(dot)+parseInt(decimals); 
    while(dec.length <= l) { dec += '0'; }  
    result = dec;  
  } else{  
    var dot;  
    var dec = new String(whole);  
    dec += '.';  
    dot = dec.indexOf('.');  
var l=parseInt(dot)+parseInt(decimals); 
    while(dec.length <= l) { dec += '0'; }  
    result = dec;  
  }  
  if(IsNegative)result="-"+result; 
  return result;  
}  

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