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BUSCADOR PROPIO EN LA PAGINA

Codigo HTML para que pongas tu propio buscador en tus paginas webs

<script language="JavaScript"><!--

function buscar(form){
var palabra1=form.Palabra.value;
var indice=form.buscador.selectedIndex
var buscador1=form.buscador.options[indice].value
var cadena
if (palabra1 =="" ){ alert (" No has indicado que palabra quieres buscar.");}
else {if (buscador1 == "1" ){alert ("Debes indicar el nombre de un buscador.")}
else{cadena=buscador1+palabra1; IrA(cadena)}}}

function IrA(cadena){ventana=window.open(cadena , "Ventana1")}

// --></script>

<form method="post" name="form">
<p>Palabra : <input type="text" size="17" name="Palabra"> </p>
<p>Buscador: <select name="buscador" size="1">
<option selected value="1">Espaqoles</option>
<option
value="http://www.ole.es/cgi-bin/buscar.cgi?Claus=">&nbsp;&nbsp;Ole</option>
<option
value="http://www.sol.es/buscar.asp?selector=Alguna+de+las+palabras&amp;formato=formato+completo&amp;buscar=">&nbsp;&nbsp;Sol</option>
<option value="1">Extranjeros</option>
<option
value="http://www.altavista.digital.com/cgi-bin/query?pg=q&amp;what=web&amp;kl=XX&amp;q=">&nbsp;&nbsp;Altavista</option>
<option
value="http://search.excite.com/search.gw?trace=a&amp;search=">&nbsp;&nbsp;Excite</option>
<option value="http://search.yahoo.com/bin/search?p=">&nbsp;&nbsp;Yahoo</option>
<option
value="http://www.lycos.com/cgi-bin/pursuit?query=java">&nbsp;&nbsp;Lycos</option>
<option
value="http://webcrawler.com/cgi-bin/WebQuery?searchText=">&nbsp;&nbsp;WebCrawler</option>
<option value="1">Metabuscadores</option>
<option
value="http://www.metacrawler.com/crawler?general=">&nbsp;&nbsp;MetaCrawler</option>
</select> </p>
<p><input type="button" value="Buscar"
onclick="buscar(this.form)"> <input type="reset" name="B1"
value="Reset"></p>
</form>
<SCRIPT language="JavaScript" SRC="/include/frames.js">
</SCRIPT>
<SCRIPT language="JavaScript">
framescheck();
</SCRIPT>
</body>
</html>

Palabra : 

Buscador: