//Preview
function getImagePositionX() {
    var offset = $("#header_logo").offset();
    var orgleft = offset.left;
    return Math.round(orgleft);
}
function getImagePositionY() {
    var offset = $("#header_logo").offset();
    var orgtop = offset.top;
    return Math.round(orgtop);
}
function placeLogo() {
    var offset = $("#preview_container").offset();
    var toppara;
    if(typeof isIE7 != 'undefined') {
        toppara = 6;
    }
    else {
        toppara = 4;
    }    
    var orgtop2 = offset.top+toppara; //preview container y position
    var orgleft2 = offset.left; //preview container x position
    var pcwidth = 485;
    var x = orgleft2+pcwidth;
    document.getElementById("header_logo_pre").style.top = orgtop2+"px";
    document.getElementById("header_logo_pre").style.left = x+"px";
}
function fadeOut() {
    $("#header_font_pre").fadeOut("slow");
}
function fadeIn() {
    $("#preview_container").fadeIn("slow");
    $("#header_logo_pre").fadeIn("slow");
}
function moveImage(orgleft, orgtop, speed) {
    var toppara;
    if(typeof isIE7 != 'undefined') {
        toppara = 1;
    }
    else if(typeof isIE9 != 'undefined') {
        toppara = 10;
    }
    else {
        toppara = 8;
    } 
    $("#header_logo_pre").animate({
        "top": orgtop+toppara,
        "left": orgleft
    }, speed, function() {
        document.getElementById("root").style.display = "block";
        $("#preview").fadeOut("slow");
    });    
}
function showPreview() {
    if(typeof isIE6 == 'undefined') {
        fadeIn();
        placeLogo();
        var imagex = getImagePositionX();
        var imagey = getImagePositionY();
        document.getElementById("preview").style.visibility = "visible";
        document.getElementById("header_font_pre").style.visibility = "visible";
        document.getElementById("header_ul_pre").style.visibility = "visible";
        document.getElementById("header_li_pre1").style.visibility = "visible";
        document.getElementById("header_li_pre2").style.visibility = "visible";
        document.getElementById("header_li_pre3").style.visibility = "visible";
        document.getElementById("header_li_pre4").style.visibility = "visible";
        document.getElementById("header_li_pre5").style.visibility = "visible";
        document.getElementById("header_li_pre6").style.visibility = "visible";
        document.getElementById("header_logo_pre").style.visibility = "visible";
        document.getElementById("root").style.display = "none";
        var timefo = 3500; //time to fadeOut
        var movespeed = 3000; //speed of moving image
        window.setTimeout('fadeOut()', timefo);
        window.setTimeout("moveImage("+imagex+", "+imagey+","+movespeed+")", timefo+500);
    }
}
//Form
function TextReplaceSurname() {
    if(document.contact.surname.value == "Nachname") {
        document.contact.surname.value = "";
    }  
}