// Gestore tipo documenti nei link

function modificaLink() {
  var links = document.getElementsByTagName('a');
  for (i = 0; i < links.length; i++) {
    var link = links[i];
    url = links[i].getAttribute('href');      
    if (url.substring(url.length-3, url.length).toUpperCase()=='ZIP') { 
      icona = document.createElement('img');
      icona.setAttribute('src', 'img/zip.gif');
      icona.setAttribute('alt', 'Apri file zip');
      link.appendChild(icona); 	    
    } else if (url.substring(url.length-3, url.length).toUpperCase()=='PDF') {
	  icona = document.createElement('img');
      icona.setAttribute('src', 'img/pdf.gif');
      icona.setAttribute('alt', 'Apri documento PDF');
      link.appendChild(icona);
	} else if (url.substring(url.length-3, url.length).toUpperCase()=='DOC') {
	  icona = document.createElement('img');
      icona.setAttribute('src', 'img/word.jpg');
      icona.setAttribute('alt', 'Scarica documento Word');
      link.appendChild(icona);
	}
  }
}
window.onload = modificaLink;