var NS = (navigator.appName.indexOf("Netscape")!=-1);
var MS = (navigator.appName.indexOf("Microsoft")!=-1);
var OP = (navigator.appName.indexOf("Opera")!=-1);
var VER=parseInt(navigator.appVersion);
var CSS=((MS&&VER>=4)||(NS&&VER>=5) || OP);
var NS4=(NS&&VER==4);
var NS6=(NS&&VER==5);
var IE4=(MS&&VER==4);
var IE5=(MS&&VER==5);
var IE6=(MS&&VER==6);
var ver4= (VER>=4&&(MS||NS||OP));
var ver5=((MS&&VER>=5)||(NS&&VER>=5));


function showStats()
{
	alert('ns-'+NS);
	alert('ms-'+MS);
	alert('op-'+OP);
	alert('ver-'+VER);
	alert('nav-'+navigator.appName);
}

/**
* Toggles the check state of a group of boxes
*
* Checkboxes must have an id attribute in the form cb0, cb1...
* @param The number of box to 'check'
*/


function getItemslistCount()
{
	var count = 0;

	if ( IE4 ) {
		whichEl = eval('itemslist');
	} else {
		whichEl = document.getElementById('itemslist');
	}

	var c = whichEl.length;
	for (i=0; i < c; i++)
	if (whichEl.elements[i].type=='checkbox' && !whichEl.elements[i].disabled)
	{
		if (whichEl.elements[i].checked)
			count = count+1;
	}
	if (count)
		return true;
	else
		return false;
}


function checkAllTrue()
{
	if ( IE4 ) {
		whichEl = eval('itemslist');
	} else {
		whichEl = document.getElementById('itemslist');
	}

	var c = whichEl.length;
	for (i=0; i < c; i++)
	if (whichEl.elements[i].type=='checkbox' && !whichEl.elements[i].disabled)
	{
			whichEl.elements[i].checked = true;
	}
}

function checkAll( objid )
{
	var reverse = false;

	if (MS) var id_pre = 'itemslist.';
	else var id_pre= '';

	if ( IE4 ) {
		whichEl = eval(id_pre+objid);
	} else {
		whichEl = document.getElementById(id_pre+objid);
	}

	if (whichEl.checked == true) reverse = true;
	else reverse = false;

	if ( IE4 ) {
		whichEl = eval('itemslist');
	} else {
		whichEl = document.getElementById('itemslist');
	}

	var c = whichEl.length;
	for (i=0; i < c; i++)
	if (whichEl.elements[i].type=='checkbox' && !whichEl.elements[i].disabled)
	{
			whichEl.elements[i].checked = reverse;
	}
}

function checkRelease(objid, key, count, pref )
{
	var reverse = false;

	if (MS) var id_pre = 'itemslist.';
	else var id_pre= '';

	if ( IE4 ) {
		whichEl = eval(id_pre+objid);
	} else {
		whichEl = document.getElementById(id_pre+objid);
	}

	if (whichEl.checked == true) reverse = true;
	else reverse = false;

	if ( IE4 ) {
		whichEl = eval('itemslist');
	} else {
		whichEl = document.getElementById('itemslist');
	}

	var val=reverse;
	for (k=0;k<count;k++)
	{
		whichEl.elements['track_'+key+'_'+k].checked=val;
	}
}

function IsOK(message)
{
	return confirm(message);
}

function setCookie(name, value, expires, path, domain, secure)
{
        var curCookie = name + "=" + escape(value) +
                ((expires) ? "; expires=" + expires.toGMTString() : "") +
                ((path) ? "; path=" + path : "") +
                ((domain) ? "; domain=" + domain : "") +
                ((secure) ? "; secure" : "")
        document.cookie = curCookie
}

function getCookie(name)
{
   var prefix = name + "="
   var cookieStartIndex = document.cookie.indexOf(prefix)
   if (cookieStartIndex == -1)
      return null
   var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length)
   if (cookieEndIndex == -1)
      cookieEndIndex = document.cookie.length
   return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex))
}

function show(el,i)
{
	change_pict(el);
	expandEl_btrintop(el);
	expandEl_btrinbot(el);
	var k;
	for (k=0;k < i;k++)
	{
		expandEl_btc201(el+'_'+k);
	}
	for (k=0;k < i-1;k++)
	{
		expandEl_btrin(el+'_'+k);
	}
}

function change_pict(el)
{
  if ( !CSS ) return;
  if (MS) var img = 'itemslist.img_';
  else var img = 'img_';
  if ( IE4 ) {
    whichEl = eval(img + el);
  } else {
    whichEl = document.getElementById(img + el);
  }
  if (whichEl ) {
  	if ((/arrowdnbig\.gif/.test(whichEl.src)) )
    {
      whichEl.src = "i/arrowupbig.gif";
    }
    else {
      whichEl.src = "i/arrowdnbig.gif";
    }
  }
}

function expandEl_btrintop(el)
{
  if ( !CSS ) return;
  if ( IE4 ) {
    whichEl = eval("btrintop_" + el);
  } else {
    whichEl = document.getElementById("btrintop_" + el);
  }
  if (whichEl ) {
    if ( whichEl.style.display != "") {
      whichEl.style.display = "";
    }
    else {
      whichEl.style.display = "none";
    }
  }
}

function expandEl_btc201(el)
{
  if ( !CSS ) return;
  if ( IE4 ) {
    whichEl = eval("btc201_" + el);
  } else {
    whichEl = document.getElementById("btc201_" + el);
  }
  if (whichEl ) {
    if ( whichEl.style.display != "") {
      whichEl.style.display = "";
    }
    else {
      whichEl.style.display = "none";
    }
  }
}

function expandEl_btrin(el)
{
  if ( !CSS ) return;
  if ( IE4 ) {
    whichEl = eval("btrin_" + el);
  } else {
    whichEl = document.getElementById("btrin_" + el);
  }
  if (whichEl ) {
    if ( whichEl.style.display != "") {
      whichEl.style.display = "";
    }
    else {
      whichEl.style.display = "none";
    }
  }
}

function expandEl_btrinbot(el)
{
  if ( !CSS ) return;
  if ( IE4 ) {
    whichEl = eval("btrinbot_" + el);
  } else {
    whichEl = document.getElementById("btrinbot_" + el);
  }
  if (whichEl ) {
    if ( whichEl.style.display != "") {
      whichEl.style.display = "";
    }
    else {
      whichEl.style.display = "none";
    }
  }
}



function coverVisibleCheck()
{
	mode = getCookie('music_covers_show')
	if (!mode) {mode='true';}


	if ( IE4 ) {
		coverareaEl = eval('coverarea');
		cover_flagEl = eval('cover_flag');
	} else {
		coverareaEl = document.getElementById('coverarea');
		cover_flagEl = document.getElementById('cover_flag');
	}


	if (coverareaEl)
	{
		for (i=0; i < coverareaEl.length; i++) {
			if (mode=="true") {
				cover_flagEl.checked = 1;
				coverareaEl[i].style.display = 'block';
			}else{
				cover_flagEl.checked = 0;
				coverareaEl[i].style.display = 'none';
			}
		}
	}else{
		if (mode=="true") {
			cover_flagEl.checked = 1;
			coverareaEl.style.display = 'block';
		}else{
			cover_flagEl.checked = 0;
			coverareaEl.style.display = 'none';
		}
	}
}

function CoverVisible(checkbox)
{
	setCookie('music_covers_show', checkbox.checked);

	if ( IE4 ) {
		coverareaEl = eval('coverarea');
	} else {
		coverareaEl = document.getElementById('coverarea');
	}

	if (coverareaEl.length)
	{
		for (i=0; i < coverareaEl.length; i++) {
			if (checkbox.checked) {
				coverareaEl[i].style.display = 'block';
			}
			else
			{
				coverareaEl[i].style.display = 'none';
			}
		}
	}
	else
	{
			if (checkbox.checked) {
				coverareaEl.style.display = 'block';
			}
			else
			{
				coverareaEl.style.display = 'none';
			}
	}
}

function strrep($myvar)
{
	$thisEl = document.getElementById($myvar);
	//document.write($thisEl);
	$thisEl.className = 'btc201_a';
	//$myvar.outerHTML='<img src="i/ico11.gif" width="32" height="32" alt="" />';
}

function help(lang, page){
    var u = "http://daopay.com/help/"+lang+"/"+page;
    win = window.open(u,"Help",
        "scrollbars=yes,toolbar=no,status=no,"+
        "resizeable=yes,alwaysRaised=yes,height=450,width=400");
    win.focus();
}



function show_faq(el,i)
{
	change_faq_pict(el);
	var k;
	for (k=0;k < i;k++)
	{
		expandEl_div03left(el+'_'+k);
	}
}

function change_faq_pict(el)
{
  if ( !CSS ) return;
  if (MS) var img = 'itemslist.img_';
  else var img = 'img_';
  if ( IE4 ) {
    whichEl = eval(img + el);
  } else {
    whichEl = document.getElementById(img + el);
  }
  if (whichEl ) {
  	if ((/helpt2dn\.gif/.test(whichEl.src)) )
    {
      whichEl.src = "i/helpt2up.gif";
    }
    else {
      whichEl.src = "i/helpt2dn.gif";
    }
  }
}

function expandEl_div03left(el)
{
  if ( !CSS ) return;
  if ( IE4 ) {
    whichEl = eval("div03left_" + el);
  } else {
    whichEl = document.getElementById("div03left_" + el);
  }
  if (whichEl ) {
    if ( whichEl.style.display != "") {
      whichEl.style.display = "";
    }
    else {
      whichEl.style.display = "none";
    }
  }
}


function player_close(el)
{
	if ( !CSS ) return;

	var k;
	for (k=1;k < aTracksNum.length;k++)
	{
		pl_close(k);
	}
}

function pl_close(el)
{
	if ( !CSS ) return;

	//alert(el);

	if ( IE4 ) {
	whichEl = eval("preplay_img_" + el);
	} else {
	whichEl = document.getElementById("preplay_img_" + el);
	}

	whichEl.innerHTML='<a href="#" onclick="show_player('+el+'); return false;"><img src="/i/ico01.gif" width="32" height="32" alt=""></a>';

	if ( IE4 ) {
	whichEl = eval("player_" + el);
	} else {
	whichEl = document.getElementById("player_" + el);
	}

	whichEl.innerHTML='';
}

function show_player(el)
{
	if ( !CSS ) return;

	player_close(1);

	if ( IE4 ) {
	whichEl = eval("preplay_img_" + el);
	} else {
	whichEl = document.getElementById("preplay_img_" + el);
	}

	whichEl.innerHTML='';

	if ( IE4 ) {
	whichEl = eval("player_" + el);
	} else {
	whichEl = document.getElementById("player_" + el);
	}

	if ((NS||OP) && VER>=4)
	{whichEl.innerHTML='<div  style="padding-top:5px;"><object type="application/x-shockwave-flash" data="/flash_player/mp3_player_1.swf" width="451" height="41"><param name="allowScriptAccess" value="sameDomain" /><param name="flashvars" value="id='+ aTracksNum[el]+'" /><param name="movie" value="/flash_player/mp3_player_1.swf" /><param name="quality" value="high" /><param name="wmode" value="transparent" /><param name="bgcolor" value="#ffffff" /></object></div>';
	}

	else {whichEl.innerHTML='<div  style="padding-top:5px;"><object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="451" height="41" id="mp3_player_'+aTracksNum[el]+'" align="middle"><param name="allowScriptAccess" value="sameDomain" /><param name="flashvars" value="id='+aTracksNum[el]+'" /><param name="movie" value="/flash_player/mp3_player_1.swf" /><param name="quality" value="high" /><param name="wmode" value="transparent" /><param name="bgcolor" value="#ffffff" /><embed src="/flash_player/mp3_player_1.swf" quality="high" wmode="transparent" bgcolor="#ffffff" width="451" height="41" name="mp3_player_'+aTracksNum[el]+'" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" /></object></div>';
	}

}


function _headeron (fID) {
	fID += "img";
	var x = document.getElementById(fID);
	var i = x.src.lastIndexOf(".");
	x.src = x.src.slice(0, i) + "a" + x.src.slice(i, x.src.length);
}

function _headeroff (fID) {
	fID += "img";
	var x = document.getElementById(fID);
	var i = x.src.lastIndexOf(".");
	x.src = x.src.slice(0, i - 1) + x.src.slice(i, x.src.length);
}

function show_fav (id, image) {
	if (document.getElementById(id).style.display=='block') {
		document.getElementById(id).style.display='none';
		if (image) image.src = "i/arrowdnbig.gif";
	}
	else {
		document.getElementById(id).style.display='block';
		if (image) image.src = "i/arrowupbig.gif";
	}
}

/*
function player_close_bs(el)
{
	if ( !CSS ) return;

	var k;
	for (k=1;k < aTracksNum.length;k++)
	{
		pl_close_bs(aTracksNum[k]);
	}
}
*/
function pl_close_bs(el)
{
	if ( !CSS ) return;

	//alert(el);

	if ( IE4 ) {
	whichEl = eval("preplay_img_" + el);
	} else {
	whichEl = document.getElementById("preplay_img_" + el);
	}

	whichEl.innerHTML='<a href="#" onclick="show_player('+el+'); return false;"><img src="/i/ico01.gif" width="32" height="32" alt=""></a>';

	if ( IE4 ) {
	whichEl = eval("player_" + el);
	} else {
	whichEl = document.getElementById("player_" + el);
	}

	whichEl.innerHTML='';
}

function show_player_bs(el)
{
	if ( !CSS ) return;

	player_close_bs(1);

	if ( IE4 ) {
	whichEl = eval("preplay_img_" + el);
	} else {
	whichEl = document.getElementById("preplay_img_" + el);
	}

	whichEl.innerHTML='';

	if ( IE4 ) {
	whichEl = eval("player_" + el);
	} else {
	whichEl = document.getElementById("player_" + el);
	}

	if ((NS||OP) && VER>=4)
	{whichEl.innerHTML='<div  style="padding-top:5px; width: 50%;"><object type="application/x-shockwave-flash" data="/flash_player/mp3_player_1.swf" width="451" height="41"><param name="allowScriptAccess" value="sameDomain" /><param name="flashvars" value="id='+ aTracksNum[el]+'" /><param name="movie" value="/flash_player/mp3_player_1.swf" /><param name="quality" value="high" /><param name="wmode" value="transparent" /><param name="bgcolor" value="#ffffff" /></object></div>';
	}

	else {whichEl.innerHTML='<div  style="padding-top:5px; width: 50%;"><object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="451" height="41" id="mp3_player_'+aTracksNum[el]+'" align="middle"><param name="allowScriptAccess" value="sameDomain" /><param name="flashvars" value="id='+aTracksNum[el]+'" /><param name="movie" value="/flash_player/mp3_player_1.swf" /><param name="quality" value="high" /><param name="wmode" value="transparent" /><param name="bgcolor" value="#ffffff" /><embed src="/flash_player/mp3_player_1.swf" quality="high" wmode="transparent" bgcolor="#ffffff" width="451" height="41" name="mp3_player_'+aTracksNum[el]+'" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" /></object></div>';
	}

}