/* Made by Mathias Bynens <http://mathiasbynens.be/> */
	function number_format(a, b, c, d)
	{
		a 			= Math.round(a * Math.pow(10, b)) / Math.pow(10, b);
		e 			= a + '';
		f 			= e.split('.');
		
		if(!f[0])
		{
			f[0] 	= '0';
		}
		
		if(!f[1])
		{
			f[1] 	= '';
		}
		
		if(f[1].length < b)
		{
			g 		= f[1];
			
			for(i=f[1].length + 1; i <= b; i++)
			{
				g 	+= '0';
			}
			
			f[1] 	= g;
		}
		
		if(d != '' && f[0].length > 3)
		{
			h 		= f[0];
			f[0]	= '';
			
			for(j = 3; j < h.length; j+=3) 
			{
				i 		= h.slice(h.length - j, h.length - j + 3);
				f[0] 	= d + i +  f[0] + '';
			}
			
			j 		= h.substr(0, (h.length % 3 == 0) ? 3 : (h.length % 3));
			f[0] 	= j + f[0];
		}
		
		c		= (b <= 0) ? '' : c;
		return f[0] + c + f[1];
	}