validate-form.js

function valida(selector, show_errors) {
		var show_errors = (show_errors!=undefined)?show_errors:true;

		var validaForm = true;
		
			/*var $input = $("input[type=email]").val();
			var _reg = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
			if(!_reg.test($input)) {
			 alert("digite um email válido"); 
			   
			};*/
	
			$(selector).find("input, textarea, select").each(function() {
					var $field = $(this);
					var $exe = $('.exe');
				
					var $error = $field.parents("li:first").find(".erro");
			
					var _val = ($field[0].tagName == "SELECT")?$field.find("option:selected").val():$field.val();
					
								
					if ($.trim(_val) == '' && $error.size()>0) {
						
						if(show_errors) {
							$field.addClass("erro-campo");
							$error.fadeIn();
							$exe.hide();
					
							$field.focus(function() {
													
								$field.removeClass("erro-campo");
								$error.fadeOut();
							
							});
						}
						
					validaForm = false;
					
						
					}
					
				});
									
			return validaForm;
};