ie4 = document.all;
ns6 = document.getElementById && !document.all;

function verstecken(idname) {
	if (ie4) document.all[idname].style.visibility = "hidden"; 
	if (ns6) document.getElementById(idname).style.visibility = "hidden";
	alter = "";
}

function Send_a_Friend() 
{ 
var breite = 400;
var hoehe = 300;
var positionX=((screen.availWidth / 2) - breite / 2);
var positionY=260;

w = window.open('/empfehlen.php', 'Send', 'directories=no,toolbar=no,location=no,menubar=no,scrollbars=yes,status=no,resizable=no,dependent=no,width=+breite+,height=+hoehe+,top=+positionY+,left=+positionX'); 
w.resizeTo(breite,hoehe);
w.moveTo(positionX,positionY);
}