$(document.body).ready(function (){
	$('#btnSubmit').bind('click', function(){
			var error = false;
			var fields = ['name','family','email','subject','message'];
			// remove old errors
			for(var i=0; i<fields.length; i++){  $('#'+fields[i]).removeClass('wrong'); }
			// remove old messages
			$('.errorClass').remove();
			// check for empty fields
			for(var i=0; i<fields.length; i++){
				var field = '#'+fields[i];
				var field_value = trim($(field).val());
				if (field_value==''){
					$(field).focus();
					$(field).addClass('wrong');
					$(field).after('<p class="error errorClass">Моля попълнете полето!</p>');
					error = true;
					break;
				}
			}
			if (!error) $('#feedback').submit();
	});
});

function show_form_error(field, msg){
	$('#'+field).addClass('wrong');
	$('#'+field).after('<p class="error errorClass">'+msg+'</p>');
}