function toMain()
{
  land.action=''
  land.submit()
  land.action=''
}


function KeyDown()
{
  if (window.event.keyCode==13)
  {
    todoX(2)
  }
}

function qbcheckform(theForm)
{
		if(theForm.word.value=="")
		{
		  window.alert("关键字不能为空")
		  theForm.word.focus()
		  return false
		}
		if (theForm.word.value=="输入关键字")
		{
		  alert("请输入内容！")
		  theForm.word.focus()
		  return false
		}
		else
		{
		  theForm.submit
		}
}