سلام برای دیدن کد کلیک راست کن و view source بزن
<form method="get" action="http://www.google.com/search" target="_blank" class="navbar_search">
<input type="hidden" name="sitesearch" value="SoftAfzar.Net" id="pn"/>
<span class="textboxcontainer"><span><input type="text" value="جست و جو ..." name="q" class="textbox" id="q" onfocus="if (this.value == 'جست و جو ...') {this.value = '';}" onblur="if (this.value == '') {this.value = 'جست و جو ...';}" tabindex="99"/></span></span>
<span class="buttoncontainer"><span><input type="image" class="searchbutton" src="images/buttons/search.png" name="submit" onclick="document.getElementById('navbar_search').submit;" tabindex="100"/></span></span>
<input type="hidden" name="domains" value="SoftAfzar.Net"/>
</form>