function search(cls)
{
document.write("<input style=\"BORDER-RIGHT: #42a5f7 1px dotted; BORDER-TOP: #42a5f7 1px dotted; BORDER-LEFT: #42a5f7 1px dotted; BORDER-BOTTOM: #42a5f7 1px dotted\" size=\"20\" name=\"key\">&nbsp;");
document.write("<select name=\"kt\">");
document.write("<option value=\"http://www.tgbus.com/gba/mic/chinese/gba/index.html?s=\" selected>GBA汉化游戏</option>");
document.write("<option value=\"http://www.tgbus.com/gba/mic/chinese/gb/index.html?s=\">GB/GBC汉化游戏</option>");
document.write("<option value=\"http://www.tgbus.com/gba/mic/game/gba/index.html?s=\">GBA国产游戏</option>");
document.write("<option value=\"http://www.tgbus.com/gba/mic/game/gb/index.html?s=\">GB/GBC国产游戏</option>");
document.write("<option value=\"http://www.tgbus.com/gba/mic/soft/gba/index.html?s=\">GBA国产软件</option>");
document.write("</select> ");
document.write("<input type=\"submit\" value=\"搜索\" onclick=\"url=kt.options[kt.selectedIndex].value+key.value;location.href=url;\">");
if (cls==undefined)
{
  kt.options[0].selected=true;

}
else
{
  switch (cls)
  {
    case 'gbacn':kt.options[0].selected=true;break;
    case 'gbcn':kt.options[1].selected=true;break;
    case 'gbagame':kt.options[2].selected=true;break;
    case 'gbgame':kt.options[3].selected=true;break;
    case 'gbasoft':kt.options[4].selected=true;break;
  }
}
}