$(document).ready(function() {

	// defintions

		var t;
	
	
	// functions
	
		expand_main_sub_navigation = function() {
			$("#trigger-services ul").fadeIn('fast');
			$('#trigger-services a').addClass('selected');
		}

		collapse_main_sub_navigation = function() {
			$('#trigger-services a').removeClass();
			$("#trigger-services ul").fadeOut('fast');
		}
		
		
	// actions
	
		$("#trigger-services, #trigger-services ul").mouseenter(function () {
			clearTimeout(t);
			expand_main_sub_navigation();
		});
			
		$("#trigger-services").mouseleave(function () {
			t = setTimeout("collapse_main_sub_navigation();", 300);
		});
		
		$("#contact_form").validate();
	
});