<!--Apre una seconda istanda del browser di dimensioni impostate e senza toolbar e menu

function popUpHelp(sFile) {
	var iMyWidth;
	var iMyHeight;
	var iDelta;
	if (document.layers) {
				iDelta=250;
				}
			else {
				iDelta=0;
			}	
	//gets top and left positions based on user's resolution so hint window is centered.
	iMyWidth = (window.screen.width/2) - 150; //half the screen width minus half the new window width (plus 5 pixel borders).
	iMyHeight = (window.screen.height/2) - 100; //half the screen height minus half the new window height (plus title and status bars).
	var win2 = window.open(sFile,"Window3","status,height=400,width=350,resizable=no,left="
		+ iMyWidth + ",top=" + (iMyHeight - 80 - iDelta) + ",screenX=" + iMyWidth + ",screenY=" 
		+ iMyHeight + ",scrollbars=yes");
	win2.focus();
}
//-->