var sel_track = 0;
var plugin = "";

function high(id) {
  if(id != sel_track) {
	var fl=document.getElementById("menu" + id);
	fl.style.color="#FFCC66";
  };
};

function low(id) {
  if(id != sel_track) {
	var fl=document.getElementById("menu" + id);
	fl.style.color="#FFFFFF";
  };
};

function select_track(id,name) {
	var tmp = sel_track;
	sel_track = id;
	if(tmp != 0)
		low(tmp);
	high(id);
	find_plugin();
	window.player.location.href = "../media/play_mp3.php?track=" + name + "&plugin=" + plugin;
};

function find_plugin() {
	var i = 0;
	while(navigator.plugins[i]) {
		if(navigator.plugins[i].name.indexOf("QuickTime") >= 0)
			plugin = "qt";
		 i++;
	};
	if(plugin == "") plugin = "mp";
};

function random_loop() {
	find_plugin();
	var rand = Math.ceil(Math.random() * 3);
	window.player.location.href = "media/loop_mp3.php?track=loopintro" + rand + "&plugin=" + plugin;
};

function calc_form() {
  var anz=document.order_form.anz_1.value;
  if(anz==1) {
    var stk_preis=27.5;
    var versand=2.5;
  }else{
    stk_preis=25;
    versand=5;
  };
    document.order_form.subtotal_1.value=anz*stk_preis + versand;
    document.order_form.total.value=document.order_form.subtotal_1.value;
};

function check_form() {
  if(document.order_form.name.value == "" || document.order_form.vorname.value == "" || document.order_form.adresse.value == "" || document.order_form.plz.value == "" || document.order_form.ort.value == "") {
    alert("Adresse unvollstaendig!");
  }else{
    document.order_form.submit();
  };
};