var ie=document.all
var ns6=document.getElementById && !document.all


function fnAlignControlToCenterScreen(elementId)
    {
  if(document.getElementById("mp3playercontainer").style.display=="block") {
     var objControl=document.getElementById(elementId);
    
     if(objControl !=null)
     {

          var left=(objControl.offsetParent.clientWidth/2)-(objControl.clientWidth/2)+objControl.offsetParent.scrollLeft;
         
    
          var top=(objControl.offsetParent.clientHeight/2)-(objControl.clientHeight/2)+objControl.offsetParent.scrollTop;
           objControl.style.top= top;
          objControl.style.left= left;
          }
         } 
    }

    
function fnAdjustDiv()
{
fnAlignControlToCenterScreen('mp3playercontainer');
}    

function mp3show(thecat,thetitle,thefile){
if (ns6||ie){
document.getElementById("mp3player").innerHTML=thetitle;
document.getElementById("mp3Cat").innerHTML=thecat;
//var mp3obj = "<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0\" width=\"165\" height=\"38\" id=\"niftyPlayer1\" align=\"\"><param name=movie value=\"niftyplayer.swf?file=/virt/audio/" + thefile + "&as=1\"><param name=quality value=high><param name=bgcolor value=#15317E><embed src=\"niftyplayer.swf?file=/virt/audio/" + thefile + "&as=1\" quality=\"high\" bgcolor=\"#15317E\" width=\"165\" height=\"38\" name=\"niftyPlayer1\" align=\"\" type=\"application/x-shockwave-flash\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\"></embed></object>";

var mp3obj = "<object width=\"350\" height=\"28\" data=\"/audio-player.swf?audioUrl=/songs/" + thefile + "&autoPlay=true&as=1\" type=\"application/x-shockwave-flash\"><param name=\"bgcolor\" value=\"#ffffff\"/><param name=\"flashvars\" value=\"playerMode=embedded\"/><param name=\"src\" value=\"/audio-player.swf?audioUrl=/songs/" + thefile + "&autoPlay=true\"/><param name=\"wmode\" value=\"window\"/><param name=\"autoPlay\" value=\"true\"/><param name=\"quality\" value=\"best\"/></object>"
fnAdjustDiv;
document.getElementById("mp3playercontainer").style.display="block";
document.getElementById("mp3object").innerHTML=mp3obj;
document.getElementById("mp3player").style.visibility="visible";
document.getElementById("mp3playerstop").style.visibility="visible";
return false;
}
}

function mp3hide(){
//niftyplayer('niftyPlayer1').stop();
if (ns6||ie){
document.getElementById("mp3player").innerHTML="";
document.getElementById("mp3object").innerHTML="";
document.getElementById("mp3player").style.visibility="hidden";
document.getElementById("mp3playercontainer").style.display="none";
document.getElementById("mp3playerstop").style.visibility="hidden";
return false;
}
}

function mpVshow(thetext){
if (ns6||ie){
document.getElementById("mpVplayer").innerHTML=thetext;
document.getElementById("mpVplayer").style.visibility="visible";
document.getElementById("mpVplayercontainer").style.visibility="visible";
document.getElementById("mpVplayerstop").style.visibility="visible";
return false;
}
}

function mpVhide(){
if (ns6||ie){
document.getElementById("mpVplayer").innerHTML="";
document.getElementById("mpVplayer").style.visibility="hidden";
document.getElementById("mpVplayercontainer").style.visibility="hidden";
document.getElementById("mpVplayerstop").style.visibility="hidden";
return false;
}
}

function mpTshow(thetext){
if (ns6||ie){
document.getElementById("tutorialplayer").innerHTML=thetext;
document.getElementById("tutorialplayer").style.visibility="visible";
document.getElementById("tutorialplayercontainer").style.visibility="visible";
document.getElementById("tutorialplayerstop").style.visibility="visible";
return false;
}
}

function mpThide(){
if (ns6||ie){
document.getElementById("tutorialplayer").innerHTML="";
document.getElementById("tutorialplayer").style.visibility="hidden";
document.getElementById("tutorialplayercontainer").style.visibility="hidden";
document.getElementById("tutorialplayerstop").style.visibility="hidden";
return false;
}
}

















var Drag = {

	obj : null,

	init : function(o, oRoot, minX, maxX, minY, maxY, bSwapHorzRef, bSwapVertRef, fXMapper, fYMapper)
	{
		o.onmousedown	= Drag.start;

		o.hmode			= bSwapHorzRef ? false : true ;
		o.vmode			= bSwapVertRef ? false : true ;

		o.root = oRoot && oRoot != null ? oRoot : o ;

		var winW = 630, winH = 460;

		if (parseInt(navigator.appVersion)>3) {
		 if (navigator.appName=="Netscape") {
		  winW = window.innerWidth;
		  winH = window.innerHeight;
		 }
		 if (navigator.appName.indexOf("Microsoft")!=-1) {
		  winW = document.body.offsetWidth;
		  winH = document.body.offsetHeight;
		 }
		}

		if (o.hmode  && isNaN(parseInt(o.root.style.left  ))) o.root.style.left   = winW/2;
		if (o.vmode  && isNaN(parseInt(o.root.style.top   ))) o.root.style.top    = winH/2;
		if (!o.hmode && isNaN(parseInt(o.root.style.right ))) o.root.style.right  = "0px";
		if (!o.vmode && isNaN(parseInt(o.root.style.bottom))) o.root.style.bottom = "0px";

		o.minX	= typeof minX != 'undefined' ? minX : null;
		o.minY	= typeof minY != 'undefined' ? minY : null;
		o.maxX	= typeof maxX != 'undefined' ? maxX : null;
		o.maxY	= typeof maxY != 'undefined' ? maxY : null;

		o.xMapper = fXMapper ? fXMapper : null;
		o.yMapper = fYMapper ? fYMapper : null;

		o.root.onDragStart	= new Function();
		o.root.onDragEnd	= new Function();
		o.root.onDrag		= new Function();
	},

	start : function(e)
	{
		var o = Drag.obj = this;
		e = Drag.fixE(e);
		var y = parseInt(o.vmode ? o.root.style.top  : o.root.style.bottom);
		var x = parseInt(o.hmode ? o.root.style.left : o.root.style.right );
		o.root.onDragStart(x, y);

		o.lastMouseX	= e.clientX;
		o.lastMouseY	= e.clientY;

		if (o.hmode) {
			if (o.minX != null)	o.minMouseX	= e.clientX - x + o.minX;
			if (o.maxX != null)	o.maxMouseX	= o.minMouseX + o.maxX - o.minX;
		} else {
			if (o.minX != null) o.maxMouseX = -o.minX + e.clientX + x;
			if (o.maxX != null) o.minMouseX = -o.maxX + e.clientX + x;
		}

		if (o.vmode) {
			if (o.minY != null)	o.minMouseY	= e.clientY - y + o.minY;
			if (o.maxY != null)	o.maxMouseY	= o.minMouseY + o.maxY - o.minY;
		} else {
			if (o.minY != null) o.maxMouseY = -o.minY + e.clientY + y;
			if (o.maxY != null) o.minMouseY = -o.maxY + e.clientY + y;
		}

		document.onmousemove	= Drag.drag;
		document.onmouseup		= Drag.end;

		return false;
	},

	drag : function(e)
	{
		e = Drag.fixE(e);
		var o = Drag.obj;

		var ey	= e.clientY;
		var ex	= e.clientX;
		var y = parseInt(o.vmode ? o.root.style.top  : o.root.style.bottom);
		var x = parseInt(o.hmode ? o.root.style.left : o.root.style.right );
		var nx, ny;

		if (o.minX != null) ex = o.hmode ? Math.max(ex, o.minMouseX) : Math.min(ex, o.maxMouseX);
		if (o.maxX != null) ex = o.hmode ? Math.min(ex, o.maxMouseX) : Math.max(ex, o.minMouseX);
		if (o.minY != null) ey = o.vmode ? Math.max(ey, o.minMouseY) : Math.min(ey, o.maxMouseY);
		if (o.maxY != null) ey = o.vmode ? Math.min(ey, o.maxMouseY) : Math.max(ey, o.minMouseY);

		nx = x + ((ex - o.lastMouseX) * (o.hmode ? 1 : -1));
		ny = y + ((ey - o.lastMouseY) * (o.vmode ? 1 : -1));

		if (o.xMapper)		nx = o.xMapper(y)
		else if (o.yMapper)	ny = o.yMapper(x)

		Drag.obj.root.style[o.hmode ? "left" : "right"] = nx + "px";
		Drag.obj.root.style[o.vmode ? "top" : "bottom"] = ny + "px";
		Drag.obj.lastMouseX	= ex;
		Drag.obj.lastMouseY	= ey;

		Drag.obj.root.onDrag(nx, ny);
		return false;
	},

	end : function()
	{
		document.onmousemove = null;
		document.onmouseup   = null;
		Drag.obj.root.onDragEnd(	parseInt(Drag.obj.root.style[Drag.obj.hmode ? "left" : "right"]), 
									parseInt(Drag.obj.root.style[Drag.obj.vmode ? "top" : "bottom"]));
		Drag.obj = null;
	},

	fixE : function(e)
	{
		if (typeof e == 'undefined') e = window.event;
		if (typeof e.layerX == 'undefined') e.layerX = e.offsetX;
		if (typeof e.layerY == 'undefined') e.layerY = e.offsetY;
		return e;
	}
};
