function handleDecimal(e, obj) 
{
    var keyCode = window.event ? e.keyCode : e.which ? e.which : e.charCode;
    var value = obj.value;
    if (((keyCode >= 48) && (keyCode <= 57)) || (keyCode == 46) || (keyCode == 0) || (keyCode == 8))
    {
        if (keyCode == 46)
        {
            if (value.indexOf(".") > -1) 
                return false;
            else
                if (obj.value.length == 0) obj.value = "0" + obj.value;
        }
    }else{
            return false;
    }
}
function deleteonly(e, obj) 
{
    var keyCode = window.event ? e.keyCode : e.which ? e.which : e.charCode;
    if (keyCode == 46) obj.value = "";
    if (keyCode == 9)
        return true;
    else
        return false;
}
function handleNumber(e, obj) 
{
    var keyCode = window.event ? e.keyCode : e.which ? e.which : e.charCode;
    var value = obj.value;
    if (((keyCode >= 48) && (keyCode <= 57)) || (keyCode == 0) || (keyCode == 8))
    {
        return true;
    }else{
        return false;
    }
}
function IsNumeric(obj)
{
    if (isNaN(obj.value))
    {
        alert('Please enter the valid number.');
        obj.select();
        return false;
    }
}

function readonly(e, obj) 
{
    var keyCode = window.event ? e.keyCode : e.which ? e.which : e.charCode;
    if (keyCode == 9)
        return true;
    else
        return false;
}