/* INIZIO */

var nts = iex = ffx = false
if (document.layers){ //Netscape 4.x 
    nts = true;
} 
else if (document.all){ // Explorer 
    iex = true;
}
else if (document.getElementById){ //Netscape 6
    ffx = true;
}


function popup(str,w,h) 
{
	if ((w != 0) || (h != 0)) {
		var x = (screen.width) ? (screen.width-w)/2 : 0; 
		var y = (screen.height) ? (screen.height-h)/2 : 0; 
		newwindow=window.open(str,"Multimedia","width="+w+",height="+h+",left=" + x + ",top=" + y+",resizable=no,menubar=no,scrollbars=yes");
	}
	else {
		newwindow=window.open(str,"Multimedia","resizable=no,menubar=no,scrollbars=yes");
	}
	newwindow.focus();
}