function close_rswt()
{
  var pf=document.getElementById('rswt');
      pf.style.display="none";

	}

document.writeln("<div id=\"rswt\" >");
document.writeln("<div id=\"dibu-rswt\" ><a onclick=\"close_rswt();return false;\"  href=\"javascript:void(0)\"><font color=red  >关闭</font></a></div>");
document.writeln("<a href=\"xxx\" target=\"_blank\"><img src=\"/images/rswt.gif\" /></a>");
document.writeln("</div>");