function positionHierachy( s )
{
	switch(s)
	{
		case "GK":
			return 0;
			break;
		case "RB":
			return 1;
			break;
		case "LB":
			return 2;
			break;
		case "CB":
			return 3;
			break;
		case "CM":
			return 4;
			break;
		case "RM":
			return 5;
			break;
		case "LM":
			return 6;
			break;
	}
	return 7;
}

SortableTable.prototype.addSortType( "Position", positionHierachy );