function hideDisplay(id)
{
	var tr = document.getElementById(id);
 
	if (tr != null)
	{
		if (tr.style.display == "none")
		{
			tr.style.display = "block";
		}
		else if (tr.style.display == "")
		{
			tr.style.display = "block";
		}
		else
		{
			tr.style.display = "none";
		}	
	}
}

function disableTerm(term)
{
	if (term == "COC")
	{
		document.getElementById("SOC").checked = false;
	}
	else if (term == "SOC")
	{
		document.getElementById("COC").checked = false;
	}
}

function disableType(ctype)
{
	if (ctype == "DG")
	{
		document.getElementById("Non-DG").checked = false;	
	}
	else if (ctype == "Non-DG")	
	{
		document.getElementById("DG").checked = false;
	}
}

function popNextBox(temp)
{
	var ori = document.getElementById("oriCountry").options[document.getElementById("oriCountry").selectedIndex].value;
	var dest = document.getElementById("destCountry").options[document.getElementById("destCountry").selectedIndex].value;
	self.location.href = "rate.php?cou=" + ori + "&dest=" + dest;
}