function printWindow()
{
   	versie = parseInt(navigator.appVersion);
   	if (versie >= 4) 
   		window.print();
}



function Bookmark()
{
 if( navigator.appVersion.indexOf("MSIE") > 0) 
    if( parseInt(navigator.appVersion)>=4 )
    	window.external.AddFavorite("http://www.alumnoastralis.com", document.title= "Alumno Astralis");
}