function toggleSubmenu(submenuID) {
	//find submenu div
	var submenuDiv = $(submenuID)
	if ( submenuDiv.hasClass('subactive') ) {
		submenuDiv.removeClass("subactive").addClass("subinactive");
	}
	else {
		submenuDiv.removeClass("subinactive").addClass("subactive");
	}
	
	
}

$(document).ready(function(){
	$('a.hassubmenu').click(function (event) { 
	      var elID = event.target.id;
		  var submenuID = '#s_'+elID;
		  toggleSubmenu(submenuID);
	    });
	
	var subm = '';
	if (location.hash.substr(0,3) == "#s_") {
		subm = location.hash;
	}
	if ( location.href.indexOf("/work/") != -1 ) {
		subm = '#s_ad';
	}
	if ( location.href.indexOf("/advertising/") != -1 ) {
		subm = '#s_av';
	}
	if ( location.href.indexOf("/styling/") != -1 ) {
		subm = '#s_st';
	}
	
	if ( subm.length > 0 ) {
		toggleSubmenu(subm);
	}
	
});