// JavaScript Document

function validate()
{
	var box1 = document.getElementById('MAWScience');
	var box2 = document.getElementById('MAWMarketing');
	var box3 = document.getElementById('MAWEconomic');
	if ((box1.checked==false) && (box2.checked==false) && (box3.checked==false))
	{
		return addError2();
	}

}

function addError2()
{
var node=document.createTextNode("Please select at least one newsletter.");	
document.getElementById("sfeedback").appendChild(node);	
return false;
}