/**
 * Fonction : Auto Roll Over 1.1
 *
 * @Description : 2 images pour effectuer cette fonction. Image Default = .jpg .gif ou .png Image Over =  2.jpg 2.gif ou 2.png
 * @Fonctionnement : Appliquer a l'image la  class="RollOver"
 * @Dependency : prototype.js
 *   
 */
var auto_roll_over = 'RollOver';
var auto_roll_img_over = '2';
var auto_roll_img_active = '3';

var auto_roll_use_active = false;
var auto_roll_location = document.location.toString();

	Event.observe(window, 'load', function() { 
		
		autoLinks = document.getElementsByClassName(auto_roll_over);
        
		if(autoLinks.length>0){
		
			total = autoLinks.length;
			for(i=0;i<total;i++){
				
				autoLinks[i].onmouseover = auto_roll_RollOver;
				autoLinks[i].onmouseout = auto_roll_RollOut;
              
                if(auto_roll_use_active && auto_roll_location.indexOf(autoLinks[i].parentNode.href)!=-1){
                                
                    src = autoLinks[i].getAttribute('src');
            
                    ext = src.substr(src.lastIndexOf('.'));
                    
                    src = src.replace(auto_roll_img_active + ext, ext);
                    src = src.replace(ext, auto_roll_img_active + ext);
                    
                    autoLinks[i].setAttribute('src', src);                    
                    
                }
				
			}
		
		}
		
	});
    
    auto_roll_setOptions = function(useActive){
    	auto_roll_use_active = useActive;
    }

	auto_roll_RollOver = function(){
    
    	if(auto_roll_use_active && auto_roll_location.indexOf(this.parentNode.href)!=-1){
        
        }else{
    
            src = this.getAttribute('src');
            
            ext = src.substr(src.lastIndexOf('.'));
            
            src = src.replace(auto_roll_img_over + ext, ext);
            src = src.replace(ext, auto_roll_img_over + ext);
            
            this.setAttribute('src', src);
        
        }
    
    }

    auto_roll_RollOut = function(){
    
    	if(auto_roll_use_active && auto_roll_location.indexOf(this.parentNode.href)!=-1){
        
        }else{    
    
            src = this.getAttribute('src');
            
            ext = src.substr(src.lastIndexOf('.'));
            
            src = src.replace(auto_roll_img_over + ext, ext);
            
            this.setAttribute('src', src);
        
        }
    
    }
/**
 * Fonction End : Auto Roll Over
 */