Buscador de palabras en tu misma página.

Este script le permite a tus lectores buscar palabras en la página actual, el paso es este:

• Copia y pega el siguiente código en tu plantilla o en un widget:

<script><br />var NS4 = (document.layers);<br />var IE4 = (document.all);<br /><br />var win = window; // Con frames usar top.nombre.window;<br />var n = 0;<br /><br />function findInPage(str) {<br /><br />var txt, i, found;<br /><br />if (str == "")<br />return false;<br /><br />// Find next occurance of the given string on the page, wrap around to the<br />// start of the page if necessary.<br /><br />if (NS4) {<br /><br />// Look for match starting at the current point. If not found, rewind<br />// back to the first match.<br /><br />if (!win.find(str))<br />while(win.find(str, false, true))<br />n++;<br />else<br />n++;<br /><br />// If not found in either direction, give message.<br /><br />if (n == 0)<br />alert("Not found.");<br />}<br /><br />if (IE4) {<br />txt = win.document.body.createTextRange();<br /><br />// Find the nth match from the top of the page.<br /><br />for (i = 0; i <= n && (found = txt.findText(str)) != false; i++) {<br />txt.moveStart("character", 1);<br />txt.moveEnd("textedit");<br />}<br /><br />// If found, mark it and scroll it into view.<br /><br />if (found) {<br />txt.moveStart("character", -1);<br />txt.findText(str);<br />txt.select();<br />txt.scrollIntoView();<br />n++;<br />}<br /><br />// Otherwise, start over at the top of the page and find first match.<br /><br />else {<br />if (n > 0) {<br />n = 0;<br />findInPage(str);<br />}<br /><br />// Not found anywhere, give message.<br /><br />else<br />alert("Not found.");<br />}<br />}<br /><br />return false;<br />}<br /><br /></script><br /><br /><center><form name="search" onSubmit="return findInPage(this.string.value);"><br /><font size="2"><p>Busca palabras</font><font size="3"><input name="string" type="text" size="15"<br />onChange="n = 0;"></font> <input type="submit" value="Buscar"></p><br /></form><br /></center>

• Puedes ponerlo en un widget

• Fuente