function fenster(breite,hoehe,name,site) 
{ 
var seite = (screen.availWidth - breite) / 2; 
var oben = (screen.availHeight - hoehe) / 2; 
params = ('width='+ breite +',height='+ hoehe +',left='+ seite +',top='+ oben + ',scrollbars=yes,resizable=yes,menubars=yes,location=yes,toolbars=yes'); 
window.open(site,name,params);
} 


function popUpSMS(URL,breite,hoehe) 
{
day = new Date();
id = day.getTime();

if (breite == undefined)
{
var breite="379";
var hoehe="430";
}

var seite = (screen.availWidth - breite) / 2; 
var oben = (screen.availHeight - hoehe) / 2; 
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbars=0, scrollbars=0, location=0, statusbars=0, menubars=0, resizable=0, width='+ breite +', height='+ hoehe +',left='+ seite +',top='+ oben);");
}