用java多媒体框架设计自动播放机_开 发 者_网上学园_科技时代_新浪网.htm

JMF编程的基础教程。。。 html格式配有源码。。。 非常适合初学者学习

wratingAccArray[42] = "860010-0314010000";
wratingAccArray[43] = "860010-0314020000";
wratingAccArray[44] = "860010-0324010000";
wratingAccArray[45] = "860010-0322010000";

function vjTrack()
{
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	var j;
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	var l;
	var m="expires=Fri, 1 Jan 2038 00:00:00 GMT;";
	var n=0;
	if(document.location.protocol=="file:")return;
	c=navigator.cookieEnabled?"1":"0";
	d=navigator.javaEnabled()?"1":"0";
	var o="0";
	var p;
	var r=-1;
	var q=document.cookie;
	if(c=="1")
	{		
		r=q.indexOf("vjuids=");
		if(r<0)
		{
			p=vjVisitorID();			
			document.cookie="vjuids="+escape(p)+";"+m+";domain="+wrDomain+";path=/;";
			if(document.cookie.indexOf("vjuids=")<0)
			{
				c="0";
			}
			else
			{
				f="1";
			}
		}
		else
		{
			p=vjGetCookie("vjuids");
		}	
	}
	i=document.referrer;

	if(!i||i=="")
	{
		i="";
	}
	e=vjFlash();
	if(self.screen)
	{
		h=screen.width+"x"+screen.height+"x"+screen.colorDepth;
	}
	else if(self.java)
	{
		var t=java.awt.Toolkit.getDefaultToolkit();
		var s=t.getScreenSize();
		h=s.width+"x"+s.height+"x0";
	}
	if(navigator.language)
	{
		j=navigator.language.toLowerCase();
	}
	else if(navigator.browserLanguage)
	{
		j=navigator.browserLanguage.toLowerCase();
	}
	else
	{
		j="-";
	}
	l = "";
	var u;
	var curtime;
	curtime=new Date();
	k=curtime.getTimezoneOffset()/-60;
	k=curtime.getTimezoneOffset()/-60;
	u="&s="+h+"&l="+j+"&z="+k+"&j="+d+"&f="+e;
	if(c=="1")
	{
		r=document.cookie.indexOf("vjlast=");
		if(r<0)
		{
			n=0;
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		else
		{
			n=parseInt(vjGetCookie("vjlast"));
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	if((curtime.getTime()/1000)-n>b)
	{	
		o="1";
		document.cookie="vjlast="+Math.round(curtime.getTime()/1000)+";"+m+";domain="+wrDomain+";path=/;";
	}
	if(i!="")
	{
		u=u+"&r="+escape(i);
	}
	if(o!="0")
	{
		u=u+"&n="+n;
	}
	if(f!="0")
	{
		u=u+"&u="+f;
	}
	var tagimage;
	var vjAcc = vjGetAcc();
	tagimage=wrUrl+"a.gif?a="+curtime.getTime().toString(16)+"&t="+escape(l)+"&i="+escape(p)+"&b="+escape(document.location)+"&c="+vjAcc+u;
	document.write('<img src="'+tagimage+'" width="1" height="1" />');
}

function vjGetAcc()
{

	var myUrlArray = document.location.toString().split("/");
	var myDomain = myUrlArray[2].toLowerCase();
	
	for (i=0;i<wratingDomainArray.length;i++)
	{
		if (wratingDomainArray[i] == myDomain)
		{
			return wratingAccArray[i];
			break;
		}
	}
	return wratingDefaultAcc;
}
			
function vjFlash()
{
	var f="-",n=navigator;
	if(n.plugins&&n.plugins.length)
	{
		for(var ii=0;ii<n.plugins.length;ii++)
		{
			if(n.plugins[ii].name.indexOf('Shockwave Flash')!=-1)
			{
				f=n.plugins[ii].description.split('Shockwave Flash ')[1];
				break;
			}
		}
	}
	else if(window.ActiveXObject)
	{
		for(var ii=10;ii>=2;ii--)
		{
			try
			{
				var fl=eval("new ActiveXObject('ShockwaveFlash.ShockwaveFlash."+ii+"');");
				if(fl)
				{
					f=ii+'.0';
					break;
				}
			}
			catch(e)
			{
			}
		}
	}
	return f;
}

function vjHash(s)
{
	if(!s||s=="")
	{
		return 0;
	}
	var h=0;
	for(var i=s.length-1;i>=0;i--)
	{
		var c=parseInt(s.charCodeAt(i));
		h=(h<<5)+h+c;
	}
	return h;	
}	

function vjVisitorID()
{
	var urlhash=vjHash(document.location+document.cookie+document.referrer).toString(16);
	var curtime;
	curtime=new Date();
	return urlhash+"."+curtime.getTime().toString(16)+"."+Math.random().toString(16);
}

function vjGetCookieVal(offset)
{
	var endstr=document.cookie.indexOf(";",offset);
	if(endstr==-1)endstr=document.cookie.length;
	return unescape(document.cookie.substring(offset,endstr));
}

function vjGetCookie(name)
{
	var arg=name+"=";
	var alen=arg.length;
	var clen=document.cookie.length;
	var i=0;
	while(i<clen)
	{
		var j=i+alen;
		if(document.cookie.substring(i,j)==arg)
		{	
			return vjGetCookieVal(j);
		}
		i=document.cookie.indexOf(" ",i)+1;
		if(i==0)
		{	
			break;
		}
	}
	return null;
}
vjTrack();

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