/*--------------------------------------------------------------------------*
 *  embed flash
 *  MIT-style license. 
 *  2007 LOOP.inc
 *  http://www.loop-net.co.jp
 *--------------------------------------------------------------------------*/

function JS_GetSwfVer(i){
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
      		var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
			descArray = flashDescription.split(" ");
			tempArrayMajor = descArray[2].split(".");
			versionMajor = tempArrayMajor[0];
			versionMinor = tempArrayMajor[1];
			if ( descArray[3] != "" ) {
				tempArrayMinor = descArray[3].split("r");
			} else {
				tempArrayMinor = descArray[4].split("r");
			}
      		versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
            flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
      	} else {
			flashVer = -1;
		}
	}

	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;

	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;

	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;

	else {
		
		flashVer = -1;
	}
	return flashVer;
}

function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) {
	var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
	var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
	var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
	
 	reqVer = parseFloat(reqMajorVer + "." + reqRevision);
	for (i=25;i>0;i--) {
		if (isIE && isWin && !isOpera) {
			versionStr = VB_GetSwfVer(i);
		} else {
			versionStr = JS_GetSwfVer(i);
		}
		if (versionStr == -1 ) {
			return false;
		} else if (versionStr != 0) {
			if(isIE && isWin && !isOpera) {
				tempArray         = versionStr.split(" ");
				tempString        = tempArray[1];
				versionArray      = tempString .split(",");
			} else {
				versionArray      = versionStr.split(".");
			}
			versionMajor      = versionArray[0];
			versionMinor      = versionArray[1];
			versionRevision   = versionArray[2];
			
			//versionString     = versionMajor + "." + versionRevision;   // 7.0r24 == 7.24
			//versionNum        = parseFloat(versionString);
			
			// is the major.revision >= requested major.revision AND the minor version >= requested minor
			if (versionMajor > parseFloat(reqMajorVer)) {
				return true;
			} else if (versionMajor == parseFloat(reqMajorVer)) {
				if (versionMinor > parseFloat(reqMinorVer))
					return true;
				else if (versionMinor == parseFloat(reqMinorVer)) {
					if (versionRevision >= parseFloat(reqRevision))
						return true;
				}
			}
			return false;
			/*
			if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
				return true;
			} else {
				return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );	
			}*/
		}
	}
	return (reqVer ? false : 0.0);
}

function write_object_embed_tag(id, width, height, clsid, codebase, mimetype, pluginpage, params) {
	var content = '<object classid="' + clsid + '" id="' + id + '" width="' + width + '" height="' + height +'">';
	for(var i in params) {
		content += '<param name="' + i + '" value="' + params[i] + '">';
	}
	content += '<embed type="' + mimetype + '" pluginspage="' + pluginpage + '" width="' + width + '" height="' + height + '" ';
	for(var i in params) {
		content += (i + '="' + params[i] + '" ');
	}
	content += '></embed></object>';
	document.write(content);
}

function embedFlash(swfId, swfSrc, swfWidth, swfHeight, swfBGColor, swfReqVer, additionalParams, substitutionProc) {
	
	// default params
	var params = new Object();
	params['src'] = swfSrc;
	params['quality'] = 'high';
	params['bgcolor'] = swfBGColor;
	params['width'] = swfWidth;
	params['height'] = swfHeight;
	params['name'] = swfId;
	params['menu'] = 'false';
	params['align'] = 'middle';
	params['allowScriptAccess'] = 'sameDomain';
	params['type'] = 'application/x-shockwave-flash';
	params['pluginspage'] = 'http://www.macromedia.com/go/getflashplayer';
	
	// override additional params
	if (additionalParams != null) {
		for (key in additionalParams) {
			params[key] = additionalParams[key];
		}
	}
	
	if (DetectFlashVer(swfReqVer[0], swfReqVer[1], swfReqVer[2])) {
		// require version detected
		write_object_embed_tag(
			swfId, swfWidth, swfHeight, // ID
			'clsid:d27cdb6e-ae6d-11cf-96b8-444553540000',
			'http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version='+ swfReqVer[0] +','+ swfReqVer[1] +','+ swfReqVer[2] +','+ swfReqVer[3] +'',
			'application/x-shockwave-flash',
			'http://www.macromedia.com/go/getflashplayer/',
			params
		);
	} else if (substitutionProc != null) {
		substitutionProc();
	}
}