/**

 * 

 * Progression

 * 

 * @author Copyright (c) 2007-2008 taka:nium, supported by Spark project.

 * @version 3.0.5

 * @see http://progression.jp/

 * @see http://progression.libspark.org/

 * 

 * Developed by taka:nium

 * @see http://nium.jp/

 * 

 * Hosted by Spark project

 * @see http://www.libspark.org/

 * 

 * Progression is (c) 2007-2008 taka:nium and is released under the MIT License:

 * http://www.opensource.org/licenses/mit-license.php

 * 

 */



var Progression = function( version ) {

	this.version = version;

	( ( document.getElementById( "enableJavaScript" ) || {} ).style || {} ).display = "none";

};

Progression.prototype = {

	version:null,

	init:function() {

		var o = this;

		var w = window;

		var d = document;

		var s = ( ( d.getElementById( "attention" ) || {} ).style || {} );

		var t = 0;

		

		s.visibility = "hidden";

		var html = ''

			+ '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0" width="1" height="1" id="external_version">'

			+ '<param name="allowScriptAccess" value="samedomain" />'

			+ '<param name="movie" value="contents/objects/version.swf" />'

			+ '<embed src="contents/objects/version.swf" name="external_version" width="1" height="1" allowScriptAccess="samedomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />'

			+ '</object>';

		if ( d.location.href.indexOf( "https://" ) != -1 ) { html = html.split( "http://" ).join( "https://" ); }

		d.write( html );

		

		var check = function() {

			if ( !w.__progressionFlashPlayerVersion && t++ < 50 ) { return false; }

			

			clearInterval( timer );

			s.visibility = "visible";

			

			if ( w.__progressionFlashPlayerVersion ) {

				var flash_version = w.__progressionFlashPlayerVersion;

				flash_version = flash_version.split( " " )[1].split( "," ).join( "." );

				w.__progressionFlashPlayerVersion = undefined;

				

				if ( !o.compare( flash_version ) ) { return false; }

				

				o.onLoad();

				return true;

			}

			return false;

		};

		

		if ( !check() ) { var timer = setInterval( check, 100 ); }

	},

	compare:function( version ) {

		var ver1 = version.split( "." );

		var ver2 = this.version.split( "." );

		

		var d1 = parseInt( ver1[0] || "0" ) - parseInt( ver2[0] || "0" );

		var d2 = parseInt( ver1[1] || "0" ) - parseInt( ver2[1] || "0" );

		var d3 = parseInt( ver1[2] || "0" ) - parseInt( ver2[2] || "0" );

		var d4 = parseInt( ver1[3] || "0" ) - parseInt( ver2[3] || "0" );

		

		if ( d1 != 0 ) { return d1 > 0; }

		if ( d2 != 0 ) { return d2 > 0; }

		if ( d3 != 0 ) { return d3 > 0; }

		if ( d4 != 0 ) { return d4 > 0; }

		

		return true;

	},

	onLoad:function() {}

};