global proc mlPickWalk(string $direction)
{
string $sel[] =`ls -sl`;
string $current;
string $targets[0];
string $regularWalk[0];

string $attr = ("mlPW_"+$direction);
string $targets[0];

string $attrs[0];
string $connection[0];


select -cl;

for ($i = 0; $i < size($sel); $i++)
	{
	
	$attrs = `listAttr -st $attr $sel[$i]`;
	if (size($attrs))
		$connection = `listConnections ($sel[$i]+"."+$attr)`;
	
	if (size($connection))
		$targets[size($targets)] = $connection[0];
	else
		$regularWalk[size($regularWalk)] = $sel[$i];
	}

//take care of the objects that don't have pickwalk attributes first
if (size($regularWalk))
	{
	select -add $regularWalk;
	switch ($direction)
		{
		case "u":
			pickWalk -d up;
			break;
		case "d":
			pickWalk -d down;
			break;
		case "l":
			pickWalk -d left;
			break;
		case "r":
			pickWalk -d right;
			break;
		default:
			break;
		}
	}
//then add the target objects to the selection
select -add $targets;

}