$(document).ready(function() {
	$("a#1").click(function(){
						if ($("#drop1").is(":hidden")) {
								$("#drop2").slideUp(500);
								$("#drop3").slideUp(500);
								$("#drop1").slideDown(500);
								$('#ins1').removeClass('main_li noClass').addClass('main_li_active');
								$('#ins2').removeClass('main_li_active noClass').addClass('main_li');
								$('#ins3').removeClass('main_li_active noClass').addClass('main_li');
						}
						else
						{
								$("#drop1").slideUp(500);
								$("#drop2").slideUp(500);
								$("#drop3").slideUp(500);
								$('#ins1').removeClass('main_li_active noClass').addClass('main_li');
								$('#ins2').removeClass('main_li_active noClass').addClass('main_li');
								$('#ins3').removeClass('main_li_active noClass').addClass('main_li');
						}
	});
	
	$("a#2").click(function(){
						if ($("#drop2").is(":hidden")) {
								$("#drop1").slideUp(500);
								$("#drop3").slideUp(500);
								$("#drop2").slideDown(500);
								$('#ins2').removeClass('main_li noClass').addClass('main_li_active');
								$('#ins1').removeClass('main_li_active noClass').addClass('main_li');
								$('#ins3').removeClass('main_li_active noClass').addClass('main_li');
						}
						else
						{
								$("#drop1").slideUp(500);
								$("#drop2").slideUp(500);
								$("#drop3").slideUp(500);
								$('#ins1').removeClass('main_li_active noClass').addClass('main_li');
								$('#ins2').removeClass('main_li_active noClass').addClass('main_li');
								$('#ins3').removeClass('main_li_active noClass').addClass('main_li');
						}
	});
	
	$("a#3").click(function(){
						if ($("#drop3").is(":hidden")) {
								$("#drop2").slideUp(500);
								$("#drop1").slideUp(500);
								$("#drop3").slideDown(500);
								$('#ins3').removeClass('main_li noClass').addClass('main_li_active');
								$('#ins2').removeClass('main_li_active noClass').addClass('main_li');
								$('#ins1').removeClass('main_li_active noClass').addClass('main_li');
						}
						else
						{
								$("#drop1").slideUp(500);
								$("#drop2").slideUp(500);
								$("#drop3").slideUp(500);
								$('#ins1').removeClass('main_li_active noClass').addClass('main_li');
								$('#ins2').removeClass('main_li_active noClass').addClass('main_li');
								$('#ins3').removeClass('main_li_active noClass').addClass('main_li');
						}
	});

});