var currentTab = 0;
function openTab(clickedTab) {
	var thisTab = $("#tabbed ul li a").index(clickedTab);
	$("#tabbed ul li a").removeClass("activetab");
	$("#tabbed ul li a:eq("+thisTab+")").addClass("activetab");
	$("#tabbed .tab_details_main").hide();
	$("#tabbed .tab_details_main:eq("+thisTab+")").show();
	currentTab = thisTab;
}
$(document).ready(function() {
       $("#tabbed ul li a").click(function() {
        openTab($(this)); return false;
    });
    $("#tabbed ul li a:eq("+currentTab+")").click()
});