$(document).ready(function(){
  
   $("#portfolio-bt").mouseover(function(){
   		$("#portfolio-sub-nav").fadeIn("fast");
   		$("#about-sub-nav").fadeOut("fast");
   		$("#contact-sub-nav").fadeOut("fast");
   		$("#people-sub-nav").fadeOut("fast");
   });

    $("#people-bt").mouseover(function () {
      
      		$("#people-sub-nav").fadeIn("fast");
   			 $("#about-sub-nav").fadeOut("fast");
   			 $("#contact-sub-nav").fadeOut("fast");
   			 $("#portfolio-sub-nav").fadeOut("fast");
   });
   $("#contact-bt").mouseover(function(){
   		$("#contact-sub-nav").fadeIn("fast");
   		$("#about-sub-nav").fadeOut("fast");
   			 $("#people-sub-nav").fadeOut("fast");
   			 $("#portfolio-sub-nav").fadeOut("fast");
   });
   
      $("#flash-box").mouseover(function () {
      
      		$("#about-sub-nav").fadeOut("fast");
   			 $("#contact-sub-nav").fadeOut("fast");
   			 $("#portfolio-sub-nav").fadeOut("fast");
   			 $("#people-sub-nav").fadeOut("fast");
   });
    	 $("#left_menu").mouseover(function () {
     	   		$("#about-sub-nav").fadeOut("fast");
   			 $("#contact-sub-nav").fadeOut("fast");
   			 $("#portfolio-sub-nav").fadeOut("fast");
   			 $("#people-sub-nav").fadeOut("fast");
     		 	
   		
   	});
   	
	 $("#about-bt").mouseover(function () {
     	 
     		 	$("#about-sub-nav").fadeIn("fast");
     		 	$("#contact-sub-nav").fadeOut("fast");
   			 	$("#portfolio-sub-nav").fadeOut("fast");
   			 	$("#people-sub-nav").fadeOut("fast");
   	});
    
    
     $("#engineering-bt").mousedown(function () {
     		$("#follower").animate({marginTop:'50px',marginLeft: '50px'});
			$("#follower").fadeIn('slow');
     	 	$("#engineering-bt").animate({height: '240px',marginTop:'0px',marginBottom:'0px'});
			$("#architecture-bt").animate({height: '24px',marginTop:'0px',marginBottom:'0px'});
			$("#survey-bt").animate({height: '24px',marginTop:'0px',marginBottom:'0px'});
			$("#sustainability-bt").animate({height: '24px',marginTop:'0px',marginBottom:'0px'});

			$("#commissioning-bt").animate({height: '25px',marginTop:'0px',marginBottom:'0px'});
     		$("#architecture-sub").slideUp("fast");
			$("#engineering-sub").slideDown("slow");
			$("#survey-sub").slideUp("fast");
			$("#commissioning-sub").slideUp("fast");
			$("#sustainability-sub").slideUp("fast");
   	});
   	
   	$("#architecture-bt").mousedown(function () {
  			$("#follower").fadeIn('slow');
  			$("#follower").animate({marginTop: '115px',marginLeft:'50px'});
  			
		    $("#engineering-bt").animate({height: '40px',marginTop:'20px',marginBottom:'0px'});
			$("#architecture-bt").animate({height: '110px',marginTop:'0px',marginBottom:'0px'});
			$("#survey-bt").animate({height: '35px', marginTop:'20px',marginBottom:'0px'});
			$("#sustainability-bt").animate({height: '35px', marginTop:'20px',marginBottom:'0px'});
			$("#commissioning-bt").animate({height: '35px', marginTop:'20px',marginBottom:'0px'});
     		$("#architecture-sub").slideDown("slow");
			$("#engineering-sub").slideUp("fast");
			$("#survey-sub").slideUp("fast");
			$("#commissioning-sub").slideUp("fast");
			$("#sustainability-sub").slideUp("fast");
   	     
   	});
   	
   		$("#survey-bt").mousedown(function () {
  			$("#follower").animate({marginTop: '190px',marginLeft: '95px'});
  			$("#follower").fadeIn('slow');
		    $("#engineering-bt").animate({height: '35px', marginTop:'20px',marginBottom:'10px'});
			$("#architecture-bt").animate({height: '35px', marginTop:'20px',marginBottom:'10px'});
			$("#survey-bt").animate({height: '77px', marginTop:'0px'});
			$("#sustainability-bt").animate({height: '35px', marginTop:'20px',marginBottom:'10px'});

			$("#commissioning-bt").animate({height: '35px', marginTop:'15px',marginBottom:'10px'});
     		$("#architecture-sub").slideUp("fast");
			$("#engineering-sub").slideUp("fast");
			$("#survey-sub").slideDown("slow");
			$("#commissioning-sub").slideUp("fast");
			$("#sustainability-sub").slideUp("fast");
   	     
   	});
   	
   	   		$("#commissioning-bt").mousedown(function () {
 			$("#follower").animate({marginTop:'236px', marginLeft: '25px'});
 			 $("#follower").fadeIn('slow');
		    $("#engineering-bt").animate({height: '30px', marginTop:'17px',marginBottom:'10px'});
			$("#architecture-bt").animate({height: '30px', marginTop:'17px',marginBottom:'10px'});
			$("#survey-bt").animate({height: '30px', marginTop:'17px',marginBottom:'10px'});
			$("#sustainability-bt").animate({height: '30px', marginTop:'17px',marginBottom:'10px'});
			$("#commissioning-bt").animate({height: '110px', marginTop:'0px', marginBottom:'0px'});
     		$("#architecture-sub").slideUp("fast");
			$("#engineering-sub").slideUp("fast");
			$("#survey-sub").slideUp("fast");
			$("#commissioning-sub").slideDown("slow");
			$("#sustainability-sub").slideUp("fast");
   	     
   	});
   	
   	 		$("#sustainability-bt").mousedown(function () {
  			$("#follower").animate({marginTop: '279px',marginLeft: '40px'});
		    $("#engineering-bt").animate({height: '30px', marginTop:'15px',marginBottom:'10px'});
			$("#architecture-bt").animate({height: '30px', marginTop:'15px',marginBottom:'10px'});
			$("#survey-bt").animate({height: '30px', marginTop:'15px',marginBottom:'10px'});
			$("#commissioning-bt").animate({height: '30px', marginTop:'15px',marginBottom:'0px'});
			$("#sustainability-bt").animate({height: '115px', marginTop:'0px'});
     		$("#architecture-sub").slideUp("fast");
			$("#engineering-sub").slideUp("fast");
			$("#survey-sub").slideUp("fast");
			$("#commissioning-sub").slideUp("fast");
			$("#sustainability-sub").slideDown("slow");
   	     	$("#follower").fadeIn('slow');
   	});
   	
   	$("#home-bt").mouseenter(function () {
   	$("#top-follower").stop(1,1);
		$("#top-follower").animate({marginLeft: '330px'});
			$("#about-sub-nav").fadeOut("fast");
   			$("#contact-sub-nav").fadeOut("fast");
   			$("#portfolio-sub-nav").fadeOut("fast");
   			$("#people-sub-nav").fadeOut("fast");
	});
	
	$("#about-bt").mouseenter(function () {
	$("#top-follower").stop(1,1);
		$("#top-follower").animate({marginLeft: '415px'});
   			$("#contact-sub-nav").fadeOut("fast");
   			$("#portfolio-sub-nav").fadeOut("fast");
   			$("#people-sub-nav").fadeOut("fast");
	});
	
	$("#people-bt").mouseenter(function () {
	$("#top-follower").stop(1,1);
		$("#top-follower").animate({marginLeft: '505px'});
			$("#about-sub-nav").fadeOut("fast");
   			$("#contact-sub-nav").fadeOut("fast");
   			$("#portfolio-sub-nav").fadeOut("fast");
	});
	
	$("#portfolio-bt").mouseenter(function () {
	$("#top-follower").stop(1,1);
		$("#top-follower").animate({marginLeft: '590px'});
		    $("#about-sub-nav").fadeOut("fast");
   			$("#contact-sub-nav").fadeOut("fast");
   			$("#people-sub-nav").fadeOut("fast");
	});
	
	$("#news-bt").mouseenter(function () {
	$("#top-follower").stop(1,1);
		$("#top-follower").animate({marginLeft: '672px'});
		    $("#about-sub-nav").fadeOut("fast");
   			$("#contact-sub-nav").fadeOut("fast");
   			$("#portfolio-sub-nav").fadeOut("fast");
   			$("#people-sub-nav").fadeOut("fast");
	});
	
	$("#career-bt").mouseenter(function () {
	$("#top-follower").stop(1,1);
		$("#top-follower").animate({marginLeft: '750px'});
			$("#about-sub-nav").fadeOut("fast");
   			$("#contact-sub-nav").fadeOut("fast");
   			$("#portfolio-sub-nav").fadeOut("fast");
   			$("#people-sub-nav").fadeOut("fast");
	});
	
	$("#contact-bt").mouseenter(function () {
	$("#top-follower").stop(1,1);
		$("#top-follower").animate({marginLeft: '845px'});
		$("#about-sub-nav").fadeOut("fast");
   			$("#portfolio-sub-nav").fadeOut("fast");
   			$("#people-sub-nav").fadeOut("fast");
	});
	
	// $('#bio-inner').shortscroll();
	
	$('.target').jScrollPane();

	
  });