move data var so other routines also can use it

sortt.js

@@ -56,12 +56,15 @@ if(!window.jQuery) {
   $('th').each(function() {
 		//if data attribute sortt is set
     if ($(this)[0].dataset.sortt) {
+			//get data
+			var data = $(this)[0].dataset.sortt;
+			data = data.split(",");
+
 			//add onclick event
 			$(this).on('click', function() {
-	    	var data = $(this)[0].dataset.sortt;
-		  	data = data.split(",");
 		  	sortt(data[0],data[1],data[2]);
     	});
+
 			//add arrow to colume
 			// - place holder -
 		}