function expandoimagelink_onclick(controlName)
{
	var div = document.getElementById(controlName + '_divDropdown');
	var imgArrow = document.getElementById(controlName + '_imgArrow');
	
	if (div.style.display == 'none')
	{
		imgArrow.src = imgExpanded.src;
		div.style.display = '';
	}
	else
	{
		imgArrow.src = imgCollapsed.src;
		div.style.display = 'none';
	}
}

var imgCollapsed = new Image();
var imgExpanded = new Image();

imgCollapsed.src = '/Image/common/orange_right_arrow.gif';
imgExpanded.src = '/Image/common/orange_down_arrow.gif';