function openLAB(URLname)
{
var FinestraX = (screen.width)-5; 
var FinestraY = (screen.availHeight)-30; 
SS = "width="+FinestraX+",height="+FinestraY+",scrollbars=yes,left=1, top=1";
window.open(URLname, "LAB","resizable=yes,"+SS); 
}