Search Text Box

Show "Saerch" in Search text box automatically when there is no text entered in the text box.

<input type="text" value="Search" name="s" id="s" onfocus="if (this.value == 'Search') {this.value = '';}" onblur="if (this.value == '') {this.value = 'Search';}" />
<input type="submit" id="searchsubmit" value="Go" />