function OnFocusTextBox(isFocus, objTextbox) {
    if ((objTextbox.value == 'Tìm theo: Họ và tên hoặc SBD') && (isFocus == true)) {
        objTextbox.value = '';
        objTextbox.setAttribute("class", "txtSearch2");
    }

    if ((objTextbox.value == '') && (isFocus == false)) {
        objTextbox.value = 'Tìm theo: Họ và tên hoặc SBD';
        objTextbox.setAttribute("class", "txtSearch1");
    }
}

function btnVietkey_onclick(imgID1, imgID2) 
{
    var temp = document.getElementById(imgID1).src;
    if (temp.substr(temp.lastIndexOf("/") + 1, temp.length) == 'V.gif') {
        setMethod(-1);
        document.getElementById(imgID1).src = 'http://timdiemthi.com/images/E.gif';
        document.getElementById(imgID2).src = 'http://timdiemthi.com/images/E.gif';
    }
    else {
        setMethod(0);
        document.getElementById(imgID1).src = 'http://timdiemthi.com/images/V.gif';
        document.getElementById(imgID2).src = 'http://timdiemthi.com/images/V.gif';
    }
 
    return true;
}


function ChangeExample(keyword, textboxid)
{
    var textbox = document.getElementById(textboxid);
    textbox.value = keyword;
    textbox.setAttribute("class", "txtSearch2");
}
function PrintContent(idprint)
{
    var DocumentContainer = document.getElementById(idprint);
    var WindowObject = window.open("", "In kết quả","width=750,height=650,top=50,left=50,toolbars=no,scrollbars=yes,status=no,resizable=yes","");
    WindowObject.document.write("<style type=\"text/css\">.tdHoten{width:150px;text-align:left;}.tdMon{text-align:left;width:35px;}.tdDiemTong{text-align:center;width:65px;}.td50{text-align:left;width:50px;}</style>");
    WindowObject.document.writeln(DocumentContainer.innerHTML);
    WindowObject.document.close();
    WindowObject.focus();
    WindowObject.print();
    WindowObject.close();
}