$(document).ready(function(){
		var current_menu_href = document.location.href;
		jQuery('a.mainmenu').each(function(){
		   var menu_href = jQuery(this).attr('href');
		   if(menu_href!='#'){
		      if(current_menu_href.indexOf(menu_href)!=-1){
		         jQuery(this).removeClass('mainmenu').addClass('mainmenu_highlight');
		      };
		   }
		});
	}); /* .ready() */