function checkbusca(form) {
   buscar = "";
   texto = "";

   if (form.BuscarTexto.value == "") {
	alert( "Entre com o texto para buscar" );
	return false;
   }

   texto = form.BuscarTexto.value;
   texto = texto.replace( " ", "+" );

   if (form.BuscarEm.value == "1") {
	buscar = "http://www.google.com/search?q="+texto;
	buscar = buscar + "&hl=pt&lr=lang_pt"
   }   
   if (form.BuscarEm.value == "2") {
	buscar = "http://www.altavista.com/cgi-bin/query?sc=on&hl=on&q="+texto;
	buscar = buscar + "&kl=pt&pg=q&Translate=on&text=yes&search=Search";
   }
   if (form.BuscarEm.value == "3") {
	buscar = "http://br.google.yahoo.com/bin/query_br?p="+texto;
	buscar = buscar + "&z=2&hc=0&hs=0";
   }
   if (form.BuscarEm.value == "4") {
	buscar = "http://busca.zeek.com.br/busca/busca.cfm?p="+texto;
   }
   if (form.BuscarEm.value == "5") {
	buscar = "http://hotbot.lycos.com/?MT="+texto;
	buscar = buscar + "&SM=MC&DV=0&LG=any&DC=10&DE=2&AM1=MC&x=59&y=16"
   }
   if (form.BuscarEm.value == "6") {
	buscar = "http://search.excite.com/search.gw?search="+texto;
   }
   if (form.BuscarEm.value == "7") {
	buscar = "http://www.northernlight.com/nlquery.fcg?cb=0&qr="+texto;
   }
   if (form.BuscarEm.value == "8") {
	buscar = "http://busca.cade.com.br/scripts/engine.exe?p1="+texto;
	buscar = buscar + "&p2=1&p3=1&p5=10&submit=Busca";
	}
   remote = window.open( buscar, "buscar" );
   remote.location.href = buscar;

   return false;
}// JavaScript Document