brotherton-erpnext/website/templates/html/product_search_box.html

<div class="span12 clearfix">
	<div class="pull-right" style="margin-top: 15px;">
		<form class="form-search">
			<div class="input-append">
				<input type="text" class="span2 search-query" 
					id="product-search" placeholder="Product Search..." />
				<button class="btn" id="btn-product-search">
					<i class="icon-search"></i></button>
			</div>
		</form>
	</div>
	<script>
		// redirect to product search page
		$(document).ready(function() {
			$('.dropdown-toggle').dropdown()
			$("#btn-product-search").click(function() {
				var txt = $("#product-search").val();
				if(txt) {
					window.location.href="product_search.html?q=" + txt;
				}
				return false;
			});
			$("#product-search").keypress(function(e) {
				if(e.which==13) $("#product-search-btn").click();
			})
		})
	</script>
</div>