function rightTrim(sString) 
{
    while (sString.substring(sString.length-1, sString.length) == ' ')
    {
        sString = sString.substring(0,sString.length-1);
    }
    return sString;
}

function leftTrim(sString) 
{
    while (sString.substring(0,1) == ' ')
    {
        sString = sString.substring(1, sString.length);
    }
    return sString;
}

function MaxLengthTextArea(id)
{
    if(document.getElementById(id).value.length==250)
    {
        return false;
    }
    return true;
}

function TrataCopiaTextArea(id)
{
    //debugger;
    var text = document.getElementById(id).value + window.clipboardData.getData("Text");
    if( text.length > 250)
    {
        window.clipboardData.setData("Text", "");
        return false;
    }
    return true;
    
}