$(document).ready( 
	function(){
		
		// Prepare the search field to be used in the search
		$("#search-field").click(
			function() {
				$(this).val('');
			}
		);
		
		// Set the string "Search" in the search field
		$("#search-field").blur(
			function() {
				$(this).val('Pesquisar');
			}
		);
		
		/*
		 * Function that validate the search form before submit to the server
		 */		
		$("#search-form").submit(
			function() { 
			
				if ($("#search-field").val() == '') {
					return (false);
				}
			}
		).attr("action", base_url_search);
	}
);