function IsNumeric(sText) //check if input is integer
{               
        var ValidChars = "0123456789";
	var IsNumber=true;
	var Char;                      

	for (i = 0; i < sText.length && IsNumber == true; i++) 
	{ 
		Char = sText.charAt(i); 
	
		if (ValidChars.indexOf(Char) == -1) 
		{
			IsNumber = false;
		}
	}
        if (sText.length<1)
        {
            IsNumber = false;
        }
	return IsNumber;
}

function formatCurrency(num) 
{
	sign = (num == (num = Math.abs(num)));
	num = Math.floor(num*100+0.50000000001);
	num = Math.floor(num/100).toString();
	
	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);
}//end formatCurrency

function OnSliderKeyPress(e)
{
	if (e.which == 13) 
		if (e.target.form.onsubmit()) e.target.form.submit();	
}