$(document).ready(function() {
	
	//Get all the LI from the #tabmenu UL
	  $('#tabmenu > li').click(function(){
			 
		//perform the actions when it's not selected
		if (!$(this).hasClass('active')) {   
	 
		//remove the selected class from all LI   
		$('#tabmenu > li').removeClass('active');
		 
		//After cleared all the LI, reassign the class to the selected tab
		$(this).addClass('active');
		 
		//Hide all the DIV in .boxbody
		$('.boxbody div').slideUp('1500');
		 
		//Look for the right DIV index based on the Navigation UL index
		$('.boxbody div:eq(' + $('#tabmenu > li').index(this) + ')').slideDown('1500');
		 
	   }
	 
	  });
	// ----------------------------------------------------------------------------------

	//Get the height of the first item
	$('#mask').css({'height':$('#panel-1').height()});	
	
	//Calculate the total width - sum of all sub-panels width
	//Width is generated according to the width of #mask * total of sub-panels
	$('#panel').width(parseInt($('#mask').width() * $('#panel div').length));
	
	//Set the sub-panel width according to the #mask width (width of #mask and sub-panel must be same)
	$('#panel div').width($('#mask').width());
	
	//Get all the links with rel as panel
	$('a[rel=panel]').click(function () {
	
		//Get the height of the sub-panel
		var panelheight = $($(this).attr('href')).height();
		
		//Set class for the selected item
		$('a[rel=panel]').removeClass('selected');
		$(this).addClass('selected');
		
		//Resize the height
		$('#mask').animate({'height':panelheight},{queue:false, duration:500});			
		
		//Scroll to the correct panel, the panel id is grabbed from the href attribute of the anchor
		$('#mask').scrollTo($(this).attr('href'), 800);		
		
		//Discard the link default behavior
		return false;
	});
	
	$(document).ready(function(){

	//Hide (Collapse) the toggle containers on load
	$(".toggle_container").hide(); 

	//Switch the "Open" and "Close" state per click then slide up/down (depending on open/close state)
	$("section.trigger").click(function(){
		$(this).toggleClass("active").next().slideToggle("slow");
		return false; //Prevent the browser jump to the link anchor
	});

	});
	
	// ------------------------------------ FORM VALIDATION
	//set global variables and cache DOM elements for reuse later
	var form = $('#contact-form').find('form'),
		formElements = form.find('input[type!="submit"],textarea'),
		formSubmitButton = form.find('[type="submit"]'),
		errorNotice = $('#errors'),
		successNotice = $('#success'),
		loading = $('#loading'),
		errorMessages = {
			required: ' is a required field',
			email: 'You have not entered a valid email address for the field: '
		}
	
	//feature detection + polyfills
	formElements.each(function(){

		//if HTML5 input placeholder attribute is not supported
		if(!Modernizr.input.placeholder){
			var placeholderText = this.getAttribute('placeholder');
			if(placeholderText){
				$(this)
					.addClass('placeholder-text')
					.val(placeholderText)
					.bind('focus',function(){
						if(this.value == placeholderText){
							$(this)
								.val('')
								.removeClass('placeholder-text');
						}
					})
					.bind('blur',function(){
						if(this.value == ''){
							$(this)
								.val(placeholderText)
								.addClass('placeholder-text');
						}
					});
			}
		}
		
		//if HTML5 input autofocus attribute is not supported
		if(!Modernizr.input.autofocus){
			if(this.getAttribute('autofocus')) this.focus();
		}
		
	});
	
	//to ensure compatibility with HTML5 forms, we have to validate the form on submit button click event rather than form submit event. 
	//An invalid html5 form element will not trigger a form submit.
	formSubmitButton.bind('click',function(){
		var formok = true,
			errors = [];
			
		formElements.each(function(){
			var name = this.name,
				nameUC = name.ucfirst(),
				value = this.value,
				placeholderText = this.getAttribute('placeholder'),
				type = this.getAttribute('type'), //get type old school way
				isRequired = this.getAttribute('required'),
				minLength = this.getAttribute('data-minlength');
			
			//if HTML5 formfields are supported			
			if( (this.validity) && !this.validity.valid ){
				formok = false;
				
				console.log(this.validity);
				
				//if there is a value missing
				if(this.validity.valueMissing){
					errors.push(nameUC + errorMessages.required);	
				}
				//if this is an email input and it is not valid
				else if(this.validity.typeMismatch && type == 'email'){
					errors.push(errorMessages.email + nameUC);
				}
				
				this.focus(); //safari does not focus element an invalid element
				return false;
			}
			
			//if this is a required element
			if(isRequired){	
				//if HTML5 input required attribute is not supported
				if(!Modernizr.input.required){
					if(value == placeholderText){
						this.focus();
						formok = false;
						errors.push(nameUC + errorMessages.required);
						return false;
					}
				}
			}

			//if HTML5 input email input is not supported
			if(type == 'email'){ 	
				if(!Modernizr.inputtypes.email){ 
					var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/; 
				 	if( !emailRegEx.test(value) ){	
						this.focus();
						formok = false;
						errors.push(errorMessages.email + nameUC);
						return false;
					}
				}
			}
			
			
		});
		
		//if form is not valid
		if(!formok){
			
			//animate required field notice
			$('#req-field-desc')
				.stop()
				.animate({
					marginLeft: '+=' + 5
				},150,function(){
					$(this).animate({
						marginLeft: '-=' + 5
					},150);
				});
			
			//show error message 
			showNotice('error',errors);
			
		}
		//if form is valid
		else {
			loading.show();
			$.ajax({
				url: form.attr('action'),
				type: form.attr('method'),
				data: form.serialize(),
				success: function(){
					showNotice('success');
					form.get(0).reset();
					loading.hide();
				}
			});
		}
		
		return false; //this stops submission off the form and also stops browsers showing default error messages
		
	});

	//other misc functions
	function showNotice(type,data)
	{
		if(type == 'error'){
			successNotice.hide();
			errorNotice.find("li[id!='info']").remove();
			for(x in data){
				errorNotice.append('<li>'+data[x]+'</li>');	
			}
			errorNotice.show();
		}
		else {
			errorNotice.hide();
			successNotice.show();	
		}
	}
	
	String.prototype.ucfirst = function() {
		return this.charAt(0).toUpperCase() + this.slice(1);
	}
	
});
