function Cost(linkObject)
{
	var Base=document.getElementById("base");
	var Medium=document.getElementById("medium");
	var High=document.getElementById("high");
	var is=linkObject.innerHTML;
	switch(is)
	{
		case "BASE":Medium.style.display="none";High.style.display="none";Base.style.display="block";break; 
		case "MEDIUM": Base.style.display="none"; High.style.display="none"; Medium.style.display="block";break;
		case "HIGH": Base.style.display="none"; Medium.style.display="none"; High.style.display="block";break;
	}
}