function searchit(){

   strquery=self.document.searchfm.keyinput.value;

   strquery.replace(" ","+");

   if (self.document.searchfm.siteselect.selectedIndex==0) {
    alert("ÇëÑ¡ÔñËÑË÷ÒýÇæ!");
  }
   if (self.document.searchfm.siteselect.selectedIndex==1) {

    self.document.location="http://search.chinese.yahoo.com/search/gb@p="+strquery;

  }

  if (self.document.searchfm.siteselect.selectedIndex==2) {

   self.document.location="http://search.sohu.com/cgi-bin/sohoosearch.exe@recnum=0&anadir=edir&curdir=&dirflag=1&siteflag=0&y=site&search_key="+strquery+"&search=%B2%E9%D1%AF";

   }

  if (self.document.searchfm.siteselect.selectedIndex==3) {

   self.document.location="http://www2.yeah.net/cgi-bin/query2.exe@query="+strquery+"&start=0&REXP=AND";

   }

  if (self.document.searchfm.siteselect.selectedIndex==4) {

   self.document.location="http://search.yahoo.com/bin/search@p="+strquery;

   }

  if (self.document.searchfm.siteselect.selectedIndex==5) {

    self.document.location="http://www.infoseek.com/Titles@qt="+strquery+"&col=WW&sv=IS&lk=noframes";

   }

  if (self.document.searchfm.siteselect.selectedIndex==6) {

    self.document.location="http://www.lycos.com/cgi-bin/pursuit@matchmode=and&cat=recipedia&query="+strquery+"&x=42&y=11";

  }
}