$(document).ready(function() {	

	//select all the a tag with name equal to modal
	$('a[name=modal]').click(function(e) {
		//Cancel the link behavior
		e.preventDefault();
		
		//Get the A tag
		var id = $(this).attr('href');
	
		//Get the screen height and width
		var maskHeight = $(document).height();
		var maskWidth = $(window).width();
	
		//Set height and width to mask to fill up the whole screen
		$('#mask').css({'width':maskWidth,'height':maskHeight});
		
		//transition effect		
		$('#mask').fadeIn(1000);	
		$('#mask').fadeTo("slow",0.8);	
	
		//Get the window height and width
		var winH = $(window).height();
		var winW = $(window).width();
              
		//Set the popup window to center
		$(id).css('top',  winH/2-$(id).height()/2);
		$(id).css('left', winW/2-$(id).width()/2);
               
	
		//transition effect
		$(id).fadeIn(2000); 
                  var height =$('.subpop').children(':visible:first').height() + 10;
                    $('#popup').height(height);$('#popup').height(height);
	
	});
	
	//if close button is clicked
	$('.window .close').click(function (e) {
		//Cancel the link behavior
		e.preventDefault();
		
		$('#mask').hide();
		$('.window').hide();
	});		
	
	//if mask is clicked
	$('#mask').click(function () {
                e.preventDefault();
		$(this).hide();
		$('.window').hide();
	});

        $('#construction ,#features,#more').click(function(e){
                   e.preventDefault();
                    var btnId = $(this).attr('id');
                    var popRefClass =  '.' +btnId;

                    if(btnId =='construction'){
                    $('.features,.more').hide();                       
                    }else if(btnId =='features'){
                    $('.construction,.more').hide();
                    }else if(btnId =='more'){
                    $('.features,.construction').hide();
                    }
                    $(popRefClass + ",.subpop, #popup, #popclose").show();
                    var height =$('.subpop').children(':visible:first').height() + 10;
                    $('#popup').height(height);$('#popup').height(height);
         });	

         $('#popclose a').click(function(e){
                   e.preventDefault();
                    $('.construction ,.features,.more, .subpop, #popup').hide();
           });			
	
});