function vmarker(nummer){

var choosenplayer=videoType;
var markewmt = new Array;
var markereal = new Array;
var a;
markewmt[1]= "0";
markewmt[2] = "133";
markewmt[3] = "1319";
markewmt[4] = "3603";
markewmt[5] = "6137";

if (choosenplayer=="wmt") {
a=markewmt[nummer];
document.MediaPlayer.Play();
if (document.MediaPlayer.CurrentPosition > 0) document.MediaPlayer.CurrentPosition=a;
} else { 
a=markewmt[nummer]*1000;
document.MediaPlayer.SetPosition(a)}; 

};

function videoskip(point,player){

if (player=="wmt") {
a=point;
document.wmp.Play();
if (document.wmp.CurrentPosition > 0) document.wmp.CurrentPosition=a;
} else { 
a=point*1000;
document.wmp.SetPosition(a)}; 
};

function slidescoller(n)
{
newslider=document.slider.slideselect.selectedIndex+n;
if (newslider<0) newslider=0;
if (newslider>(document.slider.slidecounter.value-1)) newslider=(document.slider.slidecounter.value-1);
document.slider.slideselect.selectedIndex=newslider;
document.ppt.document.folie.src=document.slider.slideselect.value;
}