function show(eID){
	document.getElementById(eID).display = 'block';
}
function hide(eID){
	document.getElementById(eID).display = 'none';
}

function hasRadioSelected(eID){
	radios = document.getElementById(eID);
	if (radios[0])
	{
    	for (var i=0; i<radios.length; i++)
	  	{
			if (radios[i].checked)
			{
				return true;
			}
		}
	}
	else
	{
		if (radios.checked) 
		{
	  		return true;
		}
   	}
   	return false;
}