// Masking phone textboxes:
function maskPhone(inputTextControl)
{
    var tmpStr = "(";
    var strIn = inputTextControl.value;
    keyCount = strIn.length;
    keyEntered = strIn.substring(keyCount - 1, keyCount);

    keyCount++;
    switch (keyCount)
    {
        case 2:
            tmpStr += inputTextControl.value;
            inputTextControl.value = tmpStr;
            break;
        case 5:
            inputTextControl.value += ") ";
            break;
        case 10:
            inputTextControl.value += "-";
            break;
        case 15:
            inputTextControl.value += " ext:";
            break;
    }
}