function gotoxx(frm){
	if(frm=='case_studies'){
		panel('#our_work',this);
		jQuery.history.load('#our_work');
		submenu('#submenu_portfolio','desactive'); 
		subpanel_work('#subpanel_casestudies',this); 
		jQuery('#our_work .top .portfolio').removeClass('active');
		jQuery('#submenu_work p.case').addClass('active');
	}
	if(frm=='services'){
		panel('#services',this);
		jQuery.history.load('#services');
	}
}