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- <!DOCTYPE html>
- <html>
- <head>
- <title>Select</title>
- </head>
- <body>
- <center>
- <select style="width:150px; height: 100px;" name="lista_izquierda" multiple="multiple" size="4" id="lista_izquierda">
- <option value="1">Volvo</option>
- <option value="2">Mazda</option>
- <option value="3">Chevrolet</option>
- <option value="4">KIA</option>
- <option value="5">Ford</option>
- </select>
- <input type="button" onclick="PasarParametro('lista_izquierda','lista_derecha')" value="PASAR" />
- <input type="button" onclick="PasarParametro('lista_derecha','lista_izquierda')" value="REGRESAR"/>
- <select style="width:150px; height: 100px;" name="lista_derecha" multiple="multiple" size="4" id="lista_derecha">
- </select>
- </center>
- </body>
- <script type="text/javascript">
- function PasarParametro(origen_id, destino_id){
- obj = document.getElementById(origen_id);
- if(obj.selectedIndex == -1){
- return;
- }
- valor = obj.value;
- txt = obj.options[obj.selectedIndex].text;
- obj.options[obj.selectedIndex] = null;
- obj2 = document.getElementById(destino_id);
- opc = new Option(txt, valor);
- eval(obj2.options[obj2.options.length] = opc);
- return false;
- }
- </script>
- </html>
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