// Check whether string s is empty.

function isEmpty(s)
{   return ((s == null) || (s.length == 0))
}
function trim(TXT)


    {
    	return TXT.replace(/(^\s+)|(\s+$)/g,"");
}


// Returns true if character c is a digit 
// (0 .. 9).

function isDigit (c)
{   return ((c >= "0") && (c <= "9"))
}

function isInteger (s)

{   var i;

  //  if (isEmpty(s)) 
  //     if (isInteger.arguments.length == 1) return defaultEmptyOK;
  //     else return (isInteger.arguments[1] == true);

    // Search through string's characters one by one
    // until we find a non-numeric character.
    // When we do, return false; if we don't, return true.

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);

        if (!isDigit(c)) return false;
    }

    // All characters are numbers.
    return true;
}

function isPercentage(txtfld){
	
	var txt =trim(txtfld);
	
//	var reg=/^\d*\.?\d+%?$/;
var reg=/^\d*\.?\d*$/;
	return( reg.test(txt));
}

function MakeTen(expr,decimal){
     var str="" + Math.round(eval(expr) * Math.pow(10,decimal))
     while (str.length <= decimal){
        str = "0" + str
     }
     var decpoint = str.length - decimal
     return str.substring(0,decpoint) + "." + str.substring(decpoint,str.length);
}



function isDecimal(txtfld){
var txt=trim(txtfld);
var reg=/^-?\d*\.?\d*$/;
return( reg.test(txt));
}

function isPositiveInteger(txtfld){
	var txt=trim(txtfld);
	return (isEmpty(txtfld) || !isInteger(txtfld) ||isNaN(num=parseInt(txtfld))|| num <= 0);
	}

// Removes all characters which do NOT appear in string bag 
// from string s.

function stripCharsNotInBag (s, bag)

{   var i;
    var returnString = "";

    // Search through string's characters one by one.
    // If character is in bag, append to returnString.

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) != -1) returnString += c;
    }

    return returnString;
}

function getDecimal(str){

var s= stripCharsNotInBag (trim(str), "0123456789.");
if (s=="") return (0.00);
else return (s);
}

function formatAsMoney(num) {
num = num.toString().replace(/\$|\,/g,'');
if(isNaN(num))
num = "0";
sign = (num == (num = Math.abs(num)));
num = Math.floor(num*100+0.50000000001);
cents = num%100;
num = Math.floor(num/100).toString();
if(cents<10)
cents = "0" + cents;
for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
num = num.substring(0,num.length-(4*i+3))+','+
num.substring(num.length-(4*i+3));
return (((sign)?'':'-') + '$' + num + '.' + cents);
}

/*Parse number to currency format:
By JavaScript Kit (www.javascriptkit.com)
Over 200+ free scripts here!
*/

//Remove the $ sign if you wish the parse number to NOT include it


function parseelement(thisone){
var prefix=""; //"$"
var wd;
var formatted_str="";
wd="w"
var tempnum=thisone.value;
for (i=0;i<tempnum.length;i++){
	if (tempnum.charAt(i)=="."){
		wd="d";
		break;
	}
}
if (wd=="w")
	formatted_str=prefix+tempnum+".00";
else{
		if (tempnum.charAt(tempnum.length-2)=="."){
			formatted_str=prefix+tempnum+"0";
		}
		else{
			//formatted_str=thisone.value;
			//tempnum=Math.round(tempnum*100)/100;
			thisone.value=trim(prefix+tempnum);
			return ;
		}
	}
	
thisone.value=trim(formatted_str);
}


function formatDecimal(thisone){

str=thisone.value
if (trim(str) ==""){  /// convert space to 0.00
	thisone.value = "0.00";
	return true;
}
if (!isDecimal(thisone.value)){
	alert ("Please Enter a valid decimal number field");
	thisone.focus();
	return false;
}
parseelement2(thisone);
return true;
}

function parseelement2(thisone){
var num=Number(thisone.value);

num=Math.round(num*100)/100;
var intpart= parseInt(num);
var decimal =( num -intpart)*100 ;
decimal=Math.round(decimal*100)/100;

//alert ("remainder="+ decimal+" "+decimal % 10);
if (decimal == 0)
	thisone.value=String(intpart) +'.00';
else{
  	if ((decimal % 10)== 0){
  		
 	 	thisone.value= String(num) +'0';
 	 	}
  else
  	thisone.value=String(num);
}
}

function makedecimal(num)
{
num=Math.round(num*100)/100;
var intpart= parseInt(num);
var decimal =( num -intpart)*100 ;
decimal=Math.round(decimal*100)/100;

//alert ("remainder="+ decimal+" "+decimal % 10);
if (decimal == 0)
	return String(intpart) +'.00';
else{
  	if ((decimal % 10)== 0){
  		
 	 	return String(num) +'0';
 	 	}
  else
  	return String(num);
}
}