// jQuery SmoothScroll | Version 11-06-11
$(document).ready(function() {

   $('a[href*=#]').click(function() {
      // skip SmoothScroll on links inside sliders or scroll boxes also using anchors or if there is a javascript call
      if($(this).parent().hasClass('scrollable_navigation') || $(this).attr('href').indexOf('javascript')>-1) return;

      // duration in ms
      var duration=1000;

      // easing values: swing | linear
      var easing='swing';

      // get / set parameters
      var newHash=this.hash;
      var oldLocation=window.location.href.replace(window.location.hash, '');
      var newLocation=this;

      // make sure it's the same location      
      if(oldLocation+newHash==newLocation)
      {
         // get target
         var target=$(this.hash+', a[name='+this.hash.slice(1)+']').offset().top;

         // adjust target for anchors near the bottom of the page
         if(target > $(document).height()-$(window).height()) target=$(document).height()-$(window).height();         

         // set selector
         if($.browser.safari) var animationSelector='body:not(:animated)';
         else var animationSelector='html:not(:animated)';

         // animate to target and set the hash to the window.location after the animation
         $(animationSelector).animate({ scrollTop: target }, duration, easing, function() {

            // add new hash to the browser location
            window.location.href=newLocation;
         });

         // cancel default click action
         return false;
      }
   });

});

$(document).ready(function(){
	taille_page()
	$('#first, #second, #third, #fourth, #values').css('height',hauteur);
});

$(window).resize(function(){
		taille_page();
});

function taille_page()
{
	var hauteur = $(window).height(); 
	hauteur < 650 ? hauteur = 700 : hauteur = hauteur;
	$('#first, #second, #third, #fourth, #values').css('height',hauteur);
}

var name = "#menu";  
var menuYloc = null;  
  
$(document).ready(function(){  
    menuYloc = parseInt($(name).css("top").substring(0,$(name).css("top").indexOf("px")))  
    $(window).scroll(function () {  
        var offset = menuYloc+$(document).scrollTop()+"px";  
        $(name).animate({top:offset},{duration:200,queue:false});  
    });  
});

/**
 * Parallax Scrolling Tutorial
 * For Smashing Magazine
 * July 2011
 *   
 * Author: Richard Shepherd
 * 		   www.richardshepherd.com
 * 		   @richardshepherd   
 */

// On your marks, get set...
$(document).ready(function(){
						
	// Cache the Window object
	$window = $(window);
	
	// Cache the Y offset and the speed of each sprite
	$('[data-type]').each(function() {	
		$(this).data('offsetY', parseInt($(this).attr('data-offsetY')));
		$(this).data('Xposition', $(this).attr('data-Xposition'));
		$(this).data('speed', $(this).attr('data-speed'));
	});
	
	// For each element that has a data-type attribute
	$('section[data-type="background"]').each(function(){
	
	
		// Store some variables based on where we are
		var $self = $(this),
			offsetCoords = $self.offset(),
			topOffset = offsetCoords.top;
		
		// When the window is scrolled...
	    $(window).scroll(function() {
	
			// If this section is in view
			if ( ($window.scrollTop() + $window.height()) > (topOffset) &&
				 ( (topOffset + $self.height()) > $window.scrollTop() ) ) {
	
				// Scroll the background at var speed
				// the yPos is a negative value because we're scrolling it UP!								
				var yPos = -($window.scrollTop() / $self.data('speed')); 
				
				// If this element has a Y offset then add it on
				if ($self.data('offsetY')) {
					yPos += $self.data('offsetY');
				}
				
				// Put together our final background position
				var coords = '50% '+ yPos + 'px';

				// Move the background
				$self.css({ backgroundPosition: coords });
				
				// Check for other sprites in this section	
				$('[data-type="sprite"]', $self).each(function() {
					
					// Cache the sprite
					var $sprite = $(this);
					
					// Use the same calculation to work out how far to scroll the sprite
					var yPos = -($window.scrollTop() / $sprite.data('speed'));					
					var coords = $sprite.data('Xposition') + ' ' + (yPos + $sprite.data('offsetY')) + 'px';
					
					$sprite.css({ backgroundPosition: coords });													
					
				}); // sprites
			
				// Check for any Videos that need scrolling
				$('[data-type="video"]', $self).each(function() {
					
					// Cache the video
					var $video = $(this);
					
					// There's some repetition going on here, so 
					// feel free to tidy this section up. 
					var yPos = -($window.scrollTop() / $video.data('speed'));					
					var coords = (yPos + $video.data('offsetY')) + 'px';
	
					$video.css({ top: coords });													
					
				}); // video	
			
			}; // in view
	
		}); // window scroll
			
	});	// each data-type

}); // document ready