hey funzionaaaaaaaaaaaa

codice:
function divide_string() 
{ 
var field=document.getElementById('embed').value; 

var regEx = /v\/([a-z0-9-]+)/i;  
var yy="<img src=\"http://i1.ytimg.com/vi/"+(field.match(regEx)[1])+"/default.jpg\">"

var w = window.open('', '', 'width=650,height=450,resizeable,scrollbars');
w.document.write(yy);
w.document.close() 

}
GRAZIE