jQuery find next similar class element to currently active class

To find next similar class to currently active class you can use following jquery code.

 
var k = jQuery(".classname").index($(".classname.active"));
jQuery("a.classname:eq("+ (k +1) + ")").click();



NOTE : 
1) "classname" and "active" are both class name
2) :eq = equivalent  used to find similar property