Finestra = "";

function OpenWin(Pagina, AsseX, AsseY, Barra){

	if ( Finestra != "" ) Finestra.close();
	
	if ((AsseX == "") || (AsseY == "")){
		Finestra = window.open(Pagina, 'SendMessage', 'scrollbars=' + Barra + ', resizable=yes, width=600, height=400, menubar=no, toolbar=no, location=no, status=no, top=50, left=50');
	}else{
		Finestra = window.open(Pagina, 'SendMessage', 'scrollbars=' + Barra + ', resizable=no, width=' + AsseX + ',height=' + AsseY + ', menubar=no, toolbar=no, location=no, status=no, top=50, left=50');
	}

}

function OpenNewWin(Pagina, AsseX, AsseY, Barra){

	if ((AsseX == "") || (AsseY == "")){
		window.open(Pagina, '', 'scrollbars=' + Barra + ', resizable=yes, width=600, height=400, menubar=no, toolbar=no, location=no, status=no, top=50, left=50');
	}else{
		window.open(Pagina, '', 'scrollbars=' + Barra + ', resizable=no, width=' + AsseX + ',height=' + AsseY + ', menubar=no, toolbar=no, location=no, status=no, top=50, left=50');
	}

}

function OpenChat(Pagina, AsseX, AsseY, Barra, Resize){

	if ((AsseX == "") || (AsseY == "")){
		window.open(Pagina, '', 'scrollbars=' + Barra + ', resizable=yes, width=600, height=400, menubar=no, toolbar=no, location=no, status=no, top=50, left=50');
	}else{
		window.open(Pagina, '', 'scrollbars=' + Barra + ', resizable=' + Resize + ', width=' + AsseX + ',height=' + AsseY + ', menubar=no, toolbar=no, location=no, status=no, top=50, left=50');
	}

}