//正文中输出mp4播放代码 
//浏览器支持flash时，使用flowplayer播放器，否则支持html5时使用html5的video标签播放
function showvsbvideo(vurl,vheight,vwidth,align,style,vautoplay,mid)
{
	if(vurl=="")
	{
	    return;   
	}
	var outputhtml="";
    if (hasplayhtml5vedio())
    {
        outputhtml = outputhtml5video(vurl, vheight, vwidth, vautoplay, align, style, mid);
    } else {
        outputhtml = outputflashvideo(vurl, vheight, vwidth, vautoplay, align, style, mid);
    }
	document.write(outputhtml);      
}

function hasplayhtml5vedio()
{
	var a=document.createelement("video"),	c=!!a.canplaytype;
	if(c)
	{
		c=new boolean(c),
		c.ogg=a.canplaytype('video/ogg; codecs="theora"');
		var d='video/mp4; codecs="avc1.42e01e';
		c.h264=a.canplaytype(d+'"')||a.canplaytype(d+', mp4a.40.2"'),c.webm=a.canplaytype('video/webm; codecs="vp8, vorbis"')
	}
	return c;			
}
function outputflashvideo(videourl,wheight,wwidth,bautoplay,align,style,mid)
{
		if(!mid||mid=="")
		{
		    mid="id=_vsb_player";
		}
		var flashurl='<object '+mid+' align="'+align+'" style="'+style+'" type="application/x-shockwave-flash" data="/system/resource/swf/flowplayer.commercial.swf"  '+wwidth+'  '+wheight+'>';
		var configstr='&quot;playlist&quot;:[{&quot;url&quot;:&quot;'+videourl+'&quot;,&quot;scaling&quot;:&quot;fit&quot;,&quot;autoplay&quot;:'+bautoplay+',&quot;autobuffering&quot;:&quot;false&quot;}]';
		flashurl=flashurl+'<param name="flashvars" value="config={'+configstr+'}">';
		flashurl=flashurl+'<param name="allowfullscreen" value="true"><param name="allowscriptaccess" value="samedomain"><param name="quality" value="high"><param name="cachebusting" value="false"><param name="bgcolor" value="#000000"><param name="src" value="/system/resource/swf/flowplayer.commercial.swf">';
		flashurl=flashurl+'</object>';
		return flashurl;
}

function outputhtml5video(videourl,wheight,wwidth,bautoplay,align,style)
{
		var res='<video controls style="background-color:#474747;'+style+'" align="'+align+'" '+wwidth+'  '+wheight;
		if(bautoplay&&bautoplay=="true")
		{
		    res+=' autoplay="autoplay" ';
		}
		res +='><source src="'+videourl+'" type="video/mp4" /></video> ';
		return  res;
}	

function outvideoformobile(vurl,vheight,vwidth,vautoplay)
{
        //手机显示时，视频宽度为设备宽度
        if(hasplayhtml5vedio())
        {
		    var res='<video controls="controls"  width="'+document.body.clientwidth+'"';
    		if(vautoplay&&vautoplay=="true")
    		{
    		    res+=' autoplay="autoplay" ';
    		}
    		res +='><source src="'+vurl+'" type="video/mp4" /></video> ';
		
    		document.write(res);    
		}    
		else
		    alert("不支持");        
}