//
//	USO:
//	<a href="javascript: fOpenWindow('image.asp?image=pippo.gif','?????',640,480,0)">
//
function fOpenWindow(sPage, sName, iWidth, iHeight, boolResizable)
{
	var w = 640, h = 480;
	var newwindow;
	if (document.all || document.layers) {
	   w = screen.availWidth;
	   h = screen.availHeight;
	}
	var iLeft = (w-iWidth)/2 - 6, iTop = (h-iHeight)/2 - 18;
	// finestra ridimensionabile...
	var sResizable;
	if (boolResizable == 0)
		sResizable = 'no';
	else
		sResizable = 'yes';	
	//apro la nuova finestra...
	newwindow =  window.open(sPage, sName,'resizable=' + sResizable + ',toolbar=no,scrollbars=yes,top=' + iTop + ', left=' + iLeft + ', height=' + iHeight + ', width=' + iWidth);
	newwindow.opener = self;
	newwindow.focus();
}