var regid=1;



function getSize() {
    var myWidth = 0, myHeight = 0;
 
    if( typeof( window.innerWidth ) == 'number' ) {
        //Non-IE
        myWidth = window.innerWidth;
        myHeight = window.innerHeight;
    } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
        //IE 6+ in 'standards compliant mode'
        myWidth = document.documentElement.clientWidth;
        myHeight = document.documentElement.clientHeight;
    } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
        //IE 4 compatible
        myWidth = document.body.clientWidth;
        myHeight = document.body.clientHeight;
    }
    return [ myWidth, myHeight ];
}

function footerPlace() {
windowsize = getSize();
yversatz = windowsize[1]-50; 
$('#footer').css("top", yversatz+"px");
}

window.onresize = function(){footerPlace()};

function popup(datei,parameter) {
if (typeof $('#popup').css("display")=="undefined") {
$('<div id="popup"></div>').appendTo('body');
} else {
$('#popup').empty;
}
if (typeof $('#black').css("display")=="undefined") {
$('<div id="black"></div>').appendTo('body');
}

$.ajax({
  type: "POST",
  url: 'ajax/'+datei,
  data: parameter,
  success: function(data) {
    $('#popup').html(data);
    $('#popup').css("display", "block");
  }
});
}

function popupclose() {
$('#popup').remove();
$('#black').remove();
}

function switchregister(registerid) {
if($("#register1")) $("#register1").css("display","none");
if($("#register2")) $("#register2").css("display","none");
if($("#register3")) $("#register3").css("display","none");

if($("#reiter1")) $("#reiter1").attr("class","register");
if($("#reiter2")) $("#reiter2").attr("class","register");
if($("#reiter3")) $("#reiter3").attr("class","register");

if($("#reiter1")) $("#reiter1").click(function(){switchregister(1)});
if($("#reiter2")) $("#reiter2").click(function(){switchregister(2)});
if($("#reiter3")) $("#reiter3").click(function(){switchregister(3)});


$("#register"+registerid).css("display","block");
$("#reiter"+registerid).unbind('click');
$("#reiter"+registerid).attr("class","register aktiv");
regid = registerid;
}