var selected = false;

function formSubmit()
{
   var form = document.forms['productForm'];
   
	if (selected)
	{
		var answer = confirm("Proceed to add the selected products to the cart?");
		if (answer)
		{	
			form.action = "include/process.php";
	   		form.submit();
		}
	}
	else
	{
		alert('Select a product before adding it to the cart');
	}
}


function checkBoth(region)
{
	document.getElementById(region + 'demo').checked = false;
	document.getElementById(region + 'demo').disabled = true;
	document.getElementById(region + 'household').checked = false;
	document.getElementById(region + 'household').disabled = true;
}

function uncheckBoth(region)
{
	document.getElementById(region + 'demo').disabled = false;
	document.getElementById(region + 'household').disabled = false;
}

function setCB(region,value)
{
	if(value.checked == true)
	{
		selected = true;
		if(
			(document.getElementById(region + 'demo') != null && document.getElementById(region + 'demo').checked) && 
			(document.getElementById(region + 'household') != null && document.getElementById(region + 'household').checked))
		{

			//Checkboth
			document.getElementById(region + 'both').checked = true;
			checkBoth(region);
		}
	}
	else
	{
		if(
			(document.getElementById(region + 'demo').disabled && document.getElementById(region + 'household').disabled) && 
			(document.getElementById(region + 'both') == null || !document.getElementById(region + 'both').checked))
		{
			uncheckBoth(region);
		}			
	}
}