
// Convert numbers to words
// copyright 25th July 2006, by Stephen Chapman http://javascript.about.com
// permission to use this Javascript on your web page is granted
// provided that all of the code (including this copyright notice) is
// used exactly as shown (you can change the numbering system if you wish)

// American Numbering System
var th = ['','thousand','million', 'billion','trillion'];
// uncomment this line for English Number System
// var th = ['','thousand','million', 'milliard','billion'];

var dg = ['zero','one','two','three','four', 'five','six','seven','eight','nine']; var tn = ['ten','eleven','twelve','thirteen', 'fourteen','fifteen','sixteen', 'seventeen','eighteen','nineteen']; var tw = ['twenty','thirty','forty','fifty', 'sixty','seventy','eighty','ninety'];

 function toWords(s)
	{
	s = s.toString();
 s = s.replace(/[\, ]/g,''); 
if (s != parseFloat(s)) 
return 'not a number'; 
var x = s.indexOf('.');
 if (x == -1)
 x = s.length;
 if (x > 15) 
return 'too big'; 
var n = s.split(''); 
var str = '';
 var sk = 0;
 for (var i=0; i < x; i++) 
{
if ((x-i)%3==2) 
{
if (n[i] == '1')
 
{
str += tn[Number(n[i+1])] + ' ';
 i++; 
sk=1;
} 
else if (n[i]!=0) 
{
str += tw[n[i]-2] + ' ';sk=1;
}
}
 else if (n[i]!=0)
 {
str += dg[n[i]] +' ';
 if ((x-i)%3==0) str += 'hundred ';sk=1;
}
 if ((x-i)%3==1) 
{
if (sk) str += th[(x-i-1)/3] + ' ';
sk=0;
}
}
 if (x != s.length) 
{
var y = s.length; str += 'point ';
 for (var i=x+1; i<y; i++)
 str += dg[n[i]] +' ';
} return str.replace(/\s+/g,' ');
}



