// JavaScript Document
Shadowbox.init({
        language: 'it',
        players:  ['img', 'html', 'iframe', 'qt', 'wmp', 'swf', 'flv']
  		});

function openShadowbox(content,player,title){	 		 
		Shadowbox.open({  
			content:    content,  
			player:		player,
			title:      title,
			gallery:	'immagini'
    	}); 
	}
function changeImage(image_path){
	//alert(image_path);
	document.getElementById('preview').src = image_path;
	document.getElementById('zoom_link').href = image_path;
	
}

function checkfield(layer){
	//alert(layer);
	var status = document.getElementById(layer).checked;	
	document.getElementById('invio').disabled = (status) ? false : true;
}