var isWindow;
function OpenWindow(seite,breite,hoehe,res,scroll,menu,tool)
{
	CloseWindow();
	var text = "width=" + breite + ",height=" + hoehe + ",status=no,resizable=" + res + ",scrollbars=" + scroll + ",menubar=" + menu + ",toolbar=" + tool;
	isWindow = window.open(seite, "WINDOW", text);
	isWindow.focus();
}
function CloseWindow()
{
	if(isWindow)
    	{
		isWindow.close();
	}
}