Recursos Gratis Webmasters. Codigos Javascript, Applets Java, Tutoriales Para Webmasters

var NS4 = (document.layers); 
var IE4 = (document.all);

var win = window;    // Con frames usar top.nombre.window;
var n   = 0;

function findInPage(str) {

var txt, i, found;

if (str == "")
    return false;

// Find next occurance of the given string on the page, wrap around to the
  // start of the page if necessary.

if (NS4) {

// Look for match starting at the current point. If not found, rewind
    // back to the first match.

if (!win.find(str))
      while(win.find(str, false, true))
        n++;
    else
      n++;

// If not found in either direction, give message.

if (n == 0)
      alert("Not found.");
  }

if (IE4) {
    txt = win.document.body.createTextRange();

// Find the nth match from the top of the page.

for (i = 0; i <= n && (found = txt.findText(str)) != false; i++) {
      txt.moveStart("character", 1);
      txt.moveEnd("textedit");
    }

// If found, mark it and scroll it into view.

if (found) {
      txt.moveStart("character", -1);
      txt.findText(str);
      txt.select();
      txt.scrollIntoView();
      n++;
    }

// Otherwise, start over at the top of the page and find first match.

else {
      if (n > 0) {
        n = 0;
        findInPage(str);
      }

// Not found anywhere, give message.

else
        alert("Not found.");
    }
  }

return false;
}

</script>

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