function checkLogin(form){
	var szReg = new RegExp('^[a-zA-Z0-9]+[a-zA-Z0-9\\-\\_\\.\\@]+$');
	if (!szReg.test(form.name.value)){
		alert('Please, fill field "Login" correctly'); form.name.focus(); return false;
	}else if (form.password.value.length == 0) {
		alert('Please, fill field "Password"'); form.password.focus(); return false;
	}
	return true;
}