function check_form(element)
{
   var cout;
   for(i=0;i<element.length;i++)
                if(element[i].checked==true)cout=element[i].value;
 
   return cout;
}

function DisplayOrNone(element)
{
	var DivElement = document.getElementById(element);

	if(DivElement.style.display == "block")DivElement.style.display = "none";
				         else DivElement.style.display = "block";
						 
	return false;
}