function set_cookie( name, value, expires, path, domain, secure ) 
{
	var today = new Date();
	today.setTime( today.getTime() );
	if ( expires )
	{
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );
	document.cookie = name + "=" +escape( value ) +
	( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
	( ( path ) ? ";path=" + path : "" ) + 
	( ( domain ) ? ";domain=" + domain : "" ) +
	( ( secure ) ? ";secure" : "" );
}
function get_cookie( name ) 
{		
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) &&
	( name != document.cookie.substring( 0, name.length ) ) )
	{
		return null;
	}
	if ( start == -1 ) 
	{
		return null;
	}
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 )
	{
		end = document.cookie.length;
	}
	return unescape( document.cookie.substring( len, end ) );
}
function delete_cookie( name, path, domain ) {
	if ( get_cookie( name ) ) 
	{	
		document.cookie = name + "=" +
		( ( path ) ? ";path=" + path : "") +
		( ( domain ) ? ";domain=" + domain : "" ) +
		";expires=Thu, 01-Jan-1970 00:00:01 GMT";
	}
}
function deleteItemCookie(item_id)
{
	var str	='';
	var n1  = (((get_cookie( 'item_ids' ).indexOf(item_id)))-2);	
	var n2 = 'item_id'.length+1;
	str = get_cookie( 'item_ids' ).substr(parseInt(n1),parseInt(n2));
	if(get_cookie( 'item_ids' ).match(/^(\"\")\,\"[^\"]+\"$/))
	{
		delete_cookie( 'item_ids', '/', '');
	}
	else
	{
		str = get_cookie( 'item_ids' ).replace(str,'');		
		set_cookie( 'item_ids',str, '', '/', '', '' );
	}
}
function checkItemCookie(item_id)
{
	if(get_cookie( 'item_ids' ).indexOf(item_id)!=-1)
	{
		alert('Đã có trong QuickList');
		return false;	
	}
	return true;
}
function addToNowPlaying(item_id)
{
	// name, value, expires, path, domain, secure
	//checkItemCookie(item_id);
	if(get_cookie( 'item_ids' ))
	{
		set_cookie( 'item_ids',get_cookie( 'item_ids' )+',"'+item_id+'"', '', '/', '', '' );	
	}
	else
	{
		set_cookie( 'item_ids','"","'+item_id+'"', '', '/', '', '' );	
	}
}