// set the page to the middle of the browser
$(document).ready(function()
{
    centerPage();

    $(window).resize(function()  { centerPage(); });

    // fader für hometeils
    $("li.home").hover(
        function () { $(this).find("img.home2").fadeIn(50); },
        function () { $(this).find("img.home2").fadeOut(50); }
    );

   // mail für footer
   $('#contactmail').attr('href', 'mailto:info@naturgartenleben.ch');

   // impressum anzeigen oder nicht
   $('div#impressum').click(function()
   {
       if($('div#impressumBig').css("display") == "none") { $('div#impressumBig').fadeIn(100); }
       else { $('div#impressumBig').fadeOut(100); }
    });
});

// center the page
 function centerPage()
{
    var cheight  = $("div#pagecontent").innerHeight();
    var wheight  = $(window).height() - ($("div#footer").height()+20); //  höhe vom footer abgezogen inklusive abstand zu footer inklusive margin top=20

    // höhe des seiten inhalts ohne footer "page"
    if(cheight< (wheight)) { $("div#page").css("height", wheight+"px"); }
    else {$("div#page").css("height", cheight+"px"); }

    // margin-top von "pagecontent";
    var cmargin = Math.round(($("div#page").height()-cheight)/2) +10;
    $("div#pagecontent").css("top", cmargin+"px");
}

// fade in out ------------------------------
function fadeIn(who, speed)
{
    speed = speed!=undefined ? speed : "normal";
    $("img#"+who).fadeIn(speed);
}

function fadeOut(who, speed)
{ 
    speed = speed!=undefined ? speed : "normal";
    $("img#"+who).fadeOut(speed);
}

/* popup window */
function popup(url, w, h, f, x, y)
{
    if(navigator.userAgent.indexOf("Safari") != -1) { w = w - 2; }
    var day = new Date();
    var id = day.getTime();
    var name = "ilovefu" + id;
    if(x == null) { x = Math.round((screen.availWidth-w)/2); }
    if(y == null) { y = Math.round((screen.availHeight-h)/2); }
    var features = "width="+w+",height="+h+",left="+x+",top="+y+",screenX="+x+",screenY="+y+",toolbar=no,location=no,status=no,menubar=no,history=no,titlebar=no,alwaysRaised";
    if(f != null) { features += "," + f; }
    eval("var win"+id+" = window.open('"+url+"', '"+name+"', '"+features+"');");
    eval("win"+id+".moveTo("+x+","+y+");");
    eval("win"+id+".focus();");
}