function checked_request() {
	var error = 0, 
		filed = new Array("name", "phone", "product");
	
	for (i=0; i<filed.length; i++) {
		if ($("#"+filed[i]).val() == '') {
			$("#"+filed[i]).css("background", "#ffc5c3");
			error++;
		} else {
			$("#"+filed[i]).css("background", "#fff");
		}
	}
	
	if (error == 0) {
		return true;
	} else {
		return false;
	}
}

function checked_review() {
	var error = 0, 
		filed = new Array("email", "comment");
	
	for (i=0; i<filed.length; i++) {
		if ($("#"+filed[i]).val() == '') {
			$("#"+filed[i]).css("background", "#ffc5c3");
			error++;
		} else {
			$("#"+filed[i]).css("background", "#fff");
		}
	}
	
	email = $("#email").val();
	if (email!='') {
		var re = /[a-zA-Z0-9_\.]+@[a-zA-Z0-9\-]+\.[a-zA-Z0-9\-\.]/i;
    	if (!re.test(email)) {
			$("#email").css("background", "#ffc5c3");
			error++;
		} else {
			$("#email").css("background", "#fff");
		}
	}
	
	if (error == 0) {
		return true;
	} else {
		return false;
	}
}