<%
	imgurl=session("imgurl")
	session.Contents.Remove("imgurl")
	if(imgurl="") then
		response.write("<script language=javascript>")
		response.write("alert('请勿直接调用网址');")
		response.write("window.location='zhangbei_addition_form_one.asp';")
		response.write("</script>")
		response.end
	end if
%>