function showResult(roaming_form) {
	selectValue = document.getElementsByName('country')[0].value;
	radio1Value = document.getElementsByName('type')[0].checked;
	radio2Value = document.getElementsByName('type')[1].checked;
	if(selectValue == '-') {
		alert('Please choose a country !');
		return false;
	}
	else {
		if(!radio1Value && !radio2Value) {
			alert('Please choose a service !');
			return false;
		}
		else {
			window.open('','roaming','height=400,width=600,scrollbars=yes');
			roaming_form.target = 'roaming';
			return true;
		}
	}
}

function showTooltip(id) {
	var tooltip = document.getElementById(id);
	tooltip.style.display = 'block';
}

function hideTooltip(id) {
	var tooltip = document.getElementById(id);
	tooltip.style.display = 'none';
}