function ClickQuestion( theId, aryIds )
{
	var prefix = "ans";
	for(i=0;i<aryIds.length;i++)
	{
		if( aryIds[i] != theId )
			ToggleElement( document.getElementById( prefix+aryIds[i] ), 0 );
	}
	ToggleElement( document.getElementById( prefix+theId ), -1 );
}
function ToggleElement( theElem, setting )
{
	//alert("ToggleElement");
	if( theElem == null ) return;	
	if( setting == 1 ) theElem.style.display = "";
	else if( setting == 0 ) theElem.style.display = "none";	
	else if( setting == -1 && theElem.style.display == "" ) theElem.style.display = "none";	
	else if( setting == -1 && theElem.style.display == "none" ) theElem.style.display = "";	
}
function ClickImgQuestion( theId, aryIds )
{
	var prefix = "ans";
	var imgPrefix = "img";
	for(i=0;i<aryIds.length;i++)
	{
		if( aryIds[i] != theId )
		{
			ToggleElement( document.getElementById( prefix+aryIds[i] ), 0 );
			ToggleElement( document.getElementById( imgPrefix+aryIds[i] ), 0 );			
		}
	}
	ToggleElement( document.getElementById( prefix+theId ), -1 );
	ToggleElement( document.getElementById( imgPrefix+theId ), -1 );			
}