function navTab(mod,tab){

	var filter, mod, tab;
	var variables = new Array;

	var searchBoxDefault = "Search a MLB player, team, position…";
	$('#mainSearch').val(searchBoxDefault);
	$('#searchNav form div#cancel').attr('style','background-position:center top;');

	if(tab){
		$('#tab').val(tab);
	}else{
		tab = $('#tab').val();
	}

	$("#navType").val('tabs');
			
	if( $('#cat1').attr('checked') ){ variables.push($("#cat1").val()) }
	if( $('#cat2').attr('checked') ){ variables.push($("#cat2").val()) }
	if( $('#cat3').attr('checked') ){ variables.push($("#cat3").val()) }
	if( $('#cat4').attr('checked') ){ variables.push($("#cat4").val()) }
	filter =  variables.join(',');
	
	$.get("http://www.spotrac.com/Includes/"+mod+"/"+tab+".php", { sport: '1', sportFilter: filter, team: '' },
	function(data){
	
		$.get("http://www.spotrac.com/Includes/header/tabReset.php",function(data){ });

		$("#searchNav li").removeClass("selected");			
		$("li#"+tab+"").addClass("selected");		
		if(tab=="new"){ $("span#notch").css("left","36px"); $("#searchCats").css('display','block') 		
		}else if(tab=="popular"){ $("span#notch").css("left","128px"); $("#searchCats").css('display','none'); 		
		}else if(tab=="expiring"){ $("span#notch").css("left","220px"); $("#searchCats").css('display','block')
		}else if(tab=="teams"){ $("span#notch").css("left","125px"); 
		}else if(tab=="positions"){ $("span#notch").css("left","215px");
		}			
	
		$("#homeTransactions").html(data);					
	});
	
}