function ChangeItem(){document.frmTapchi.action="etapchi.asp";document.frmTapchi.submit();}
function f_14(img, src){if(img=="[object]"||img=="[object Image]"||img=="[object HTMLImageElement]") img.src=src;}
function CmdChonOnClick(){document.frmDuluan.tacvu.value="1";document.frmDuluan.action="ettketqua.asp";document.frmDuluan.submit();return true;}
function CmdKetquaOnClick(){document.frmDuluan.tacvu.value="2";document.frmDuluan.action="ettketqua.asp";document.frmDuluan.submit();return true;}
function ImgSearchOnClick(){if (document.frmSearch.tukhoa.value==""){alert("Please enter the group of words to search.");document.frmSearch.tukhoa.focus();return (false);} document.frmSearch.action="etttim.asp";document.frmSearch.submit();return true;}
function ImgSearchClick(){if (document.frmSearch.tukhoa.value==""){alert("Please enter the group of words to search.");document.frmSearch.tukhoa.focus();return (false);} document.frmSearch.action="etctim.asp";document.frmSearch.submit();return true;}