var Vision_Conditional_List;

Vision_Conditional_List = new Array();

function doChange(event)
{
	var strQuestionID;
	var intArray;
	var arrCond
	var strLayer;
	var strCurrentLayer;
	var bHide;
	
	bHide = false;
	
	
	// alert(event.target.value);
	// alert(event.target.name);
	 
	// event.target.value tells us the option currently selected 
	// event.target.name tells us the name of the form element
	
	strQuestionID = event.target.name.substring(2,event.target.name.length);
	strCurrentLayer = "";
	
	// alert(strQuestionID);
	
	for (intArray = 0; intArray < Vision_Conditional_List.length; intArray++)
	{
		arrCond = Vision_Conditional_List[intArray].split('|');
		if (arrCond[0] == strQuestionID)
		{
			strLayer = "VisionQuestion" + arrCond[1];
			$(strLayer).hide();
			
			if (arrCond[2] == event.target.value)
			{
				if (bHide)
				{
					$("VisionQuestion" + strQuestionID).hide();
					$('SubmitPanel').show();
				}
				
				$(strLayer).show();
				
				strCurrentLayer = strLayer;
			}
		}
	}
	
	if (strCurrentLayer != "")
	{
		if (bHide)
		{
			$("VisionQuestion" + strQuestionID).hide();
		}
		$(strCurrentLayer).show();
	}
	
}