function _search()
{	
	var keywords=document.all("keywordss").value;
	var se=document.all("searchselectt").value;    	
	window.open("/jcms_tba/module/arc-add1/searchpage4.jsp?keywords="+keywords+"&searchselect="+se);
}
function KeyDown()
{
    if (event.keyCode == 13)
    {
        event.returnValue=false;
        event.cancel = true;
         document.all("sousuo").click();
    }
}
function plogin_onclick() {
  var Location="http://mail.tba.gov.cn/exchweb/bin/auth/owaauth.dll";;   //你的Exchange默认登录地址
  var uname=document.logonForm.username.value;; 
  var upwd=document.logonForm.password.value;;
  document.logonForm.destination.value="http://mail.tba.gov.cn/exchange";;
  if (uname==""){
     alert("用户名不能为空！");
     uname.focus();
     return false;
     }
  if (upwd==""){
     alert("密码不能为空！");
     upwd.focus();
     return false;
     }
		  logonForm.action=Location; 
		  logonForm.submit();
}