function show(div) {
			
			hideVariable();

			var theDiv = document.getElementById(div);
			theDiv.className="visible_question";
		}
		
		
		function hideVariable() {
			var pregnant = document.getElementById('pregnantSub');
			pregnant.className = "variable_question";
			
			var mother = document.getElementById('motherSub');
			mother.className = "variable_question";
		}
		
		function loadLists(selectID,choices) {
			var theList = document.getElementById(selectID);
			choices = choices.split(",");
			for(var i=0;i< choices.length; i++) {
				var option = document.createElement("option")
				option.value=choices[i];
				option.innerHTML = choices[i];
				theList.appendChild(option);
			}
		}