ie = document.all?1:0

function CA(allbox)
{
	var TB=TO=0;
	var checkBoxes = GetItemCheckBoxes( "selectCheck" )
	
	for ( var i = 0; i < checkBoxes.length; i++ )
	{
		var e = checkBoxes[i];
			
		if ( e != null )
		{
			TB++;
			if ( e.checked )
				TO++;
			else if ( e.parentNode.style.visibility == "hidden" )
				TO++;
		}
	}

	for ( var i = 0; i < checkBoxes.length; i++ )
	{
		var e = checkBoxes[i];
		
		if ( e != null &&  e.parentNode.style.visibility != "hidden" )
		{
			if (TO!=TB)
			{
				e.checked = true;				
			}
			else
			{
				e.checked = false;				
			}
		}
	}
}