function preloader() {
    var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=preloader.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
} 

var mouseIsOver=new Boolean();
mouseIsOver=false;
function ChangeButtonState(stateInfo) {
    if (stateInfo) {
        document.getElementById('PlayControl').src=mouseIsOver?'images/PauseS2.jpg':'images/PauseS1.jpg';
        buttonState = true;
        PreLoad(false);
    } else {
    //alert("play olcak");
        document.getElementById('PlayControl').src=mouseIsOver?'images/PlayS2.jpg':'images/PlayS1.jpg';
        //document.getElementById('PlayControl').style.visibility="hidden";
        buttonState = false;
        PreLoad(true);
    }
}
function ChangeButton(prevNext,overOut) {
    if (prevNext) {
        if (buttonState==true) {
            document.getElementById('PlayControl').src=overOut?'images/PrevPause.jpg':'images/PauseS1.jpg';
        } else {
            document.getElementById('PlayControl').src=overOut?'images/PrevPlay.jpg':'images/PlayS1.jpg';
        }
    } else {
        if (buttonState==true) {
            document.getElementById('PlayControl').src=overOut?'images/NextPause.jpg':'images/PauseS1.jpg';
        } else {
            document.getElementById('PlayControl').src=overOut?'images/NextPlay.jpg':'images/PlayS1.jpg';
        }
    }
}
var preloadPlay=new Boolean(false);
var preloadPause=new Boolean(false);
function PreLoad(PlayPause) {
    if (PlayPause) {
        if (preloadPlay==false) {preloader('images/PlayS1.jpg','images/NextPlay.jpg','images/PlayS2.jpg','images/PrevPlay.jpg');preloadPlay=true;};
    } else {
        if (preloadPause==false) {preloader('images/PauseS1.jpg','images/NextPause.jpg','images/PauseS2.jpg','images/PrevPause.jpg');preloadPause=true;};
    }
}
function Increment() {
var obj=document.getElementById('Chapters');
    if (obj.options.length == obj.selectedIndex + 1) {
        alert('Last chapter is \"' + obj.options[obj.options.length-1].text + '\"');
        return false;
    } else {
        obj.selectedIndex++;
        setTimeout('__doPostBack(\'Chapters\',\'\')', 0);
    }
}
function Decrement() {
var obj=document.getElementById('Chapters');
    if (obj.selectedIndex == 0) {
        alert('First chapter is \"' + obj.options[obj.selectedIndex].text + '\"');
        return false;
    } else {
        obj.selectedIndex--;
        setTimeout('__doPostBack(\'Chapters\',\'\')', 0);
    }
}
function VolumePlus() {
var current = player.getConfig().volume;
player.sendEvent("VOLUME",current+10);
}
function VolumeMinus() {
var current = player.getConfig().volume;
player.sendEvent("VOLUME",current-10);
}
function DrawVolumeBar(volume) {
var position;
position="0px "+parseInt(25-volume/100*25)+"px";
document.getElementById("VolumeBar").style.backgroundPosition=position;
}
function MuteHappened() {
alert("mute");
document.getElementById("VolumeBar").style.backgroundPosition="0px 0px";
document.getElementById("VolumeBar").style.backgroundImage="images/contact_05.gif";
}