/*
 * Code specific to the training KC. For example, to switch subtabs
 */

/*
 * vars last_kctab and last_kcdiv_name are set on the custom head tags field
 */
      function kc_toggle_sub_tab(box,tab,sub_tab) {
		if(!sub_tab) { //If the optional argument is not there
	  		var div_name = box+tab;
		} else {
	  		var div_name = box+tab+"-"+sub_tab;
		}
        var tab_num = box+tab;
/*		alert("div_name: "+div_name);
		alert("tab_num: "+tab_num);
		alert("last_kctab: "+last_kctab);
		alert("last_kcdiv_name: "+last_kcdiv_name);
*/		
		
        if (tab_num != last_kctab) {
          document.getElementById(last_kctab+"li").className = "";
          document.getElementById(tab_num+"li").className = "current";
		}
		if (div_name != last_kcdiv_name) {
	          	document.getElementById(last_kcdiv_name).style.display = "none";
          document.getElementById(div_name).style.display = "block";
        }
	            last_kctab = tab_num;
		  last_kcdiv_name = div_name;

      }