var estado=false;
 function cambiar(img,sel){
 	 if(estado)return;
 	 estado=true;
    
    $('lightbox_galeria').href=img.replace(/^(\/galerias\/[0-9]+\/)[^\/]+\//,'$1');
    $('zoom_galeria').href=img.replace(/^(\/galerias\/[0-9]+\/)[^\/]+\//,'$1');
    //$('zoom_galeria').hide();
    var selected=$$('#galeria .selected');
    $(selected[0]).removeClassName('selected');
    $(sel).addClassName('selected');
    
    Image1= new Image();
	Image1.src = img;

	//loading=document.createElement('img');                                    
	//loading.src= img;
	
    imagen=document.createElement('img');
    imagen.src=sel.src;
    imagen.style.width='60px';
    imagen.style.height='45px';
    imagen.style.position='absolute';
    imagen.style.top=sel.offsetTop+'px';
    imagen.style.left=sel.offsetLeft+'px';
    $('galeria').appendChild(imagen);
	new Effect.Tween(imagen, 0, 100,{duration:.5,
			afterFinish:function(){
				$('zoom_imagen').style.width=0;
				$('zoom_texto').hide();
				$('img-principal').src=img;imagen.parentNode.removeChild(imagen);
				imagen=null;
				estado=false
				//$('zoom_galeria').show();
				new Effect.Tween( $('zoom_imagen'),0,57,{duration:1,transition: Effect.Transitions.spring,afterFinish:function(){new Effect.Appear('zoom_texto',{duration:0.5})}},function(p){$('zoom_imagen').style.width=p+'px'});
				
			}
		},
		function(p){
			imagen.style.width=60+(p*(440-60)/100)+'px';
			imagen.style.height=45+(p*(330-45)/100)+'px';
			imagen.style.left=sel.offsetLeft+(p*(-sel.offsetLeft)/100)+'px';
			imagen.style.top=sel.offsetTop+(p*(-sel.offsetTop)/100)+'px';
		}
	);
}