$(document).ready(function () {
	$('.nav_left_main a').each(function() {
	  var matches = $(this).attr('href').match(/\?[^\/]+$/);
	  var added = 0;
	  if (matches) {
    	s1 = matches[0];
  		s1 = s1 + "$$$";
	  	var s2 = location.href + "$$$";
	  	if (s2.indexOf(s1) != -1) {
	    	$(this).addClass("current-page");
	    	added = 1;
	  	}
	  }
	  if (!added) {
	    matches = $(this).attr('href').match(/\?[^\.]+\.\d+/);
	    if (matches) {
		  	s1 = matches[0];
		    var s2 = location.href;
		    if (s2.indexOf(s1) != -1) {
		      $(this).addClass("current-page");
		    }
		  }
	  }
	});
});