$(document).ready(function() {                  	
// IE navbar last child fix		
$('#navbar li ul li:last-child').css('border-bottom', 'none');	


$.fn.extend({
randomImage:function(config) {	
var config = $.extend({}, $.randomImage.defaults, config); 
return this.each(function() {		
var imageNames = config.myImages;	
//get size of array, randomize a number from this
// use this number as the array index
var imageNamesSize = imageNames.length;
var lotteryNumber = Math.floor(Math.random()*imageNamesSize);
var winnerImage = imageNames[lotteryNumber];
var fullPath = config.path + winnerImage;
//put this image into DOM at class of randomImage
// alt tag will be image filename.
$(this).attr( {
src: fullPath,
alt: winnerImage
});	
});	
}
});


//GALLERY IMAGES HOVER SCRIPT

//add span that will be shown on hover on gallery item
$(".gallery li a.image").append('<span class="image_hover"></span>'); //add span to images
$(".gallery  li a.video").append('<span class="video_hover"></span>'); //add span to videos

$('.gallery  li a span').css('opacity', '0').css('display', 'block') //span opacity = 0 

// show / hide span on hover
$(".gallery li a").hover(
function () {
$(this).find('.image_hover, .video_hover').stop().fadeTo('slow', .7); }, 
function () {
$('.image_hover, .video_hover').stop().fadeOut('slow', 0);
});



//IF BODY HAS CLASS VIDEO_BACKGROUND, MAKE HTML HEIGHT 100% AND ABILITY TO HIDE AND SHOW NAVIGATION ON HOME PAGE
if($('body').hasClass('video_background'))
{
$('html').css('height', '100%');		


$('#hide_menu a').css('display', 'block');	

//SHOWING MENU TOOLTIP ------ delete if you don't want it!                    
$('#hide_menu a').hover( function(){
$('.menu_tooltip').stop().fadeTo('fast', 1);            	
},
function () {
$('.menu_tooltip').stop().fadeTo('fast', 0);  
});




//HIDING MENU         

//click on hide menu button (arrow points up)                            
$('#hide_menu a.menu_visible').live('click',function(){	

//add class hidden
$('#hide_menu a.menu_visible')
.removeClass('menu_visible')
.addClass('menu_hidden')
.attr('title', 'Show the navigation');

// hide the tooltip     
$('.menu_tooltip').css('opacity', '0');

//move navigation up, after replace the text                  
$('#menu_wrap').animate({top: "-=480px"}, "normal", function() {      	
$('.menu_tooltip p').text('Show the navigation');	//tooltip text in when menu is 'hidden' 
});

return false;

});


//SHOWING MENU	
//click on show menu button (arrow points down)                      	
$('#hide_menu a.menu_hidden').live('click', function(){	

//add class visible	
$('#hide_menu a.menu_hidden')
.removeClass('menu_hidden')
.addClass('menu_visible');

// hide the tooltip      
$('.menu_tooltip').css('opacity', '0');    
$('#menu_wrap').animate({ top: "+=480px"}, 'normal');  
$('.menu_tooltip p').text('Hide the navigation'); //tooltip text in when menu is 'visible' 

return false;    
});

};  



//FORM (CONTACT & COMMENTS) SCRIPTS

//set variables
var nameVal = $("#form_name").val();
var emailVal = $("#form_email").val();
var websiteVal = $("#form_website").val();
var messageVal = $("#form_message").val();


//if name field is empty, show label in it
if(nameVal == '') {
$("#form_name").parent().find('label').css('display', 'block');	
}

//if email field is empty, show label in it
if(emailVal == '') {
$("#form_email").parent().find('label').css('display', 'block');	
}

//if website field is empty, show label in it
if(websiteVal == '') {
$("#form_website").parent().find('label').css('display', 'block');	
}


//if message field is empty, show label in it
if(messageVal == '') {
$("#form_message").parent().find('label').css('display', 'block');	
}


//hide labels on focus		
$('form input, form textarea').focus(function(){
$(this).parent().find('label').fadeOut('fast');		
});		

//show labels when field is not focused - only if there are no text
$('form input, form textarea').blur(function(){
var currentInput = 	$(this);	
if (currentInput.val() == ""){
$(this).parent().find('label').fadeIn('fast');
}
});		


// CONTACT FORM HANDLING SCRIPT - WHEN USER CLICKS "SUBMIT"
$("#contact_form #form_submit").click(function(){		

// hide all error messages
$(".error").hide();

// remove "error" class from text fields
$("form input, form textarea").focus(function() {
$(this).removeClass('error_input');
});

// remove error messages when user starts typing		
$("form input, form textarea").keypress(function() {
$(this).parent().find('span').fadeOut();	
});

$("#form_message").keypress(function() {	
$(this).animate({ 
width: "380px"
}, 100); 
});

// set variables
var hasError = false;
var emailReg = /^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/;


// validate "name" field
var nameVal = $("#form_name").val();
if(nameVal == '') {
$("#form_name")
.after('<span class="error">Please enter your name</span>')
.addClass('error_input')				  
hasError = true;
}



// validate "e-mail" field - andd error message and animate border to red color on error
var emailVal = $("#form_email").val();
if(emailVal == '') {
$("#form_email")
.after('<span class="error">Please enter your e-mail</span>')
.addClass('error_input')
hasError = true; 

} else if(!emailReg.test(emailVal)) {	
$("#form_email")
.after('<span class="error">Please provide a valid e-mail</span>')
.addClass('error_input')
hasError = true;
}


// validate "message" field
var messageVal = $("#form_message").val();
if(messageVal == '') {

$("#form_message")
.animate({ 
width: "250px"
}, 100 )
.after('<span class="error comment_error">Please enter your message</span>')
.addClass('error_input')
hasError = true;
}

// if the are errors - return false
if(hasError == true) { return false; }

// if no errors are found - submit the form with AJAX
if(hasError == false) {

var dataString = $('#contact_form').serialize();

//hide the submit button and show the loader image	
$("#form_submit").fadeOut('fast', function () {
$('#contact_form').append('<span id="loader"></span>'); 
});


// make an Ajax request
$.ajax({
type: "POST",
url: "php/contact-send.php",
data: dataString,
success: function(){ 

// on success fade out the form and show the success message
$('#loader').remove();
$('#contact_form').children().fadeOut('fast');
$('.contact_info').fadeOut('fast');
$('.success').fadeIn();    	
}
}); // end ajax

return false;  
} 	

});		

//CONTACT PAGE MAP - CHANE OPACITY ON HOVER
$('img.map').css('opacity', '.5');

$('img.map').hover(function(){
$(this).fadeTo('fast', 1);	
},
function(){
$(this).fadeTo('fast', .5);	
});

}); //document.ready function ends here

//WAIT UNTIL CONTENT IS LOADED
$(window).load(function() {

//hide loader
$('#body_loader').hide().remove();

//append grid if not on the home page
if (!$('body').hasClass('body_home')) {	
$('.grid_overlay, #bg').fadeTo('fast', .8).append('<div class="grid"></div>');
}

//fade in the image
$('#bg img').fadeIn('normal');

});
