function checkForm(form){
	var szRegLogin = new RegExp('^[a-zA-Z0-9]+[a-zA-Z0-9\\-\\_\\.\\@]+$');
	var szRegEmail = new RegExp('^[a-zA-Z0-9\\-\\.\\_]*\\@[a-zA-Z0-9\\-\\.\\_]+\.[a-zA-Z0-9]{2,4}$');
	var szRegIcq = new RegExp('^[1-9]+[0-9]{4,14}$');

	if (!szRegLogin.test(form.name.value)){
		alert('Please, fill field "Login"'); form.name.focus(); return false;
	}else if (form.password.value.length == 0){
		alert('Please, fill field "Password"'); form.password.focus(); return false;
	}else if (form.confirmation.value.length == 0){
		alert('Please, fill field "Confirm password"'); form.confirmation.focus(); return false;
	}else if (form.password.value != form.confirmation.value){
		alert('Wrong password confirmation'); form.confirmation.focus(); return false;
	}else if (!szRegEmail.test(form.email.value)){
		alert('Please, fill field "E-mail" correctly'); form.email.focus(); return false;
	}
	//else if (form.fullname.value.length == 0){
	//	alert('Please, fill field "Fullname"'); form.fullname.focus(); return false;
	//}
	//else if (!szRegIcq.test(form.icq.value)){
	//	alert('Please, fill field "ICQ" correctly'); form.icq.focus(); return false;
	//}
	return true;
}