text: // JavaScript Document
  
  function imprimir(barcode)
      {
  		//alert (barcode);
  		var newWindow = window.open("","Item en código de barras","width=400,height=450,left=100,top=60");
     			newWindow.document.open();
     			newWindow.document.write('<html><head></head><body onload="window.print()"><img align="center" src="'+ barcode +'"/></body></html>'); 
     			newWindow.document.close();
     			newWindow.focus();		
      }
  