// JavaScript Document

Event.observe(window, 'load', function() {

  $$('.img-container h1').each(function(element) {
	element.observe('mouseover', function(event) { element.next(0).setStyle({ display: 'block'}) }).observe('mouseout', function(event) { element.next(0).setStyle({ display: 'none'}) });
   });

  $$('.rollover').each(function(element) {
	element.observe('mouseover', function(event) { element.setStyle({ display: 'block'}) }).observe('mouseout', function(event) { element.setStyle({ display: 'none'}) });
   });

});

	function changePage(valeur) {
		
		if(valeur.include('.html')) {
			location.href = valeur;
		} else {
			
			if(valeur == 'tout-afficher') {
				
				// Tout afficher
				$$('.img-container').each(function(element) {
					element.show();
				});
			
			} else { 
			
				// On tri					
				$$('.img-container').each(function(element) {
					
					if(!element.readAttribute('title').include(valeur)) {						
						element.hide();
					} else {						
						element.show();
					}
					
				});
		
			}
			
		}
		
	}