var sound_state = 0;
var so;
var img_on = new Image();
img_on.src = "/images/sound_turnoff.gif";

var img_off = new Image();
img_off.src = "/images/sound_turnon.gif";


function doOnLoad()
{

  var pp_img = document.getElementById("soundimg");
  
  sound_state = readCookie("soundsetting");
  
  ///alert("cookie read: " + sound_state);
    
  if(sound_state==1)
  {
    // turn it off

    pp_img.src = img_off.src;

	  EP_pause("ep_player");
	  
	  
  }
  else 
  {
    // turn it on
    
	  pp_img.src = img_on.src;
    
	  
	  sound_state = 0;
	  
	  //alert("should be playing: " + sound_state);
	  
	  setTimeout('startPlaying();',1000);
	    
  }
  
  //alert(sound_state);
  
  //applySoundSetting();
}

function startPlaying()
{



  EP_play("ep_player");
  
  //alert("just told it to start playing");

}

//function applySoundSetting()
//{

//  if(sound_state==1)
//  {
//    // turn it off

//    p_img.src = img_off.src;
//    
//    EP_stop("ep_player");
//  
//  }
//  else
//  {
//  
//    // turn it on

//	  p_img.src = img_on.src;
//    
//    EP_play("ep_player");
//    
//    
//  }
//  

//}

function toggleSound()
{
  var p_img = document.getElementById("soundimg");
  
  if(sound_state==1)
  {
    sound_state = 0;
  }
  else
  {
    sound_state = 1;
  }    
  if(sound_state==1)
  {
    // turn it off

    p_img.src = img_off.src;

	  EP_pause("ep_player");
	  
	  createCookie("soundsetting",sound_state,1);
	  
  }
  else if(!sound_state)
  {
    // turn it on

	  p_img.src = img_on.src;

	  EP_play("ep_player");
	  
    eraseCookie("soundsetting")
  
  }
  
  
  
  
  //alert("cookie set " + readCookie("soundsetting"));
  
  
  //createCookie("soundsetting",p_setting);

}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}