<script>
var str = '\'<img src=\'HTTP://MYURL/MYFILE.FIL\' width="400" height="300" name="MYNAME">';
var re=/\'<img src=\'(.*?)\' width=\"(.*?)\" height=\"(.*?)\" name=\"(.*?)\">/g;
re.exec(str);
str=str.replace(re,"<applet name=\"$4\" archive=\"MYARCHIVE.JAR\" code=\"MYCODEPATH\" width=\"$2\" height=\"$3\">"+"\n"+"<param name=\"file\" value=\"$1\">"+"\n"+"<param name=\"auto\" value=\"80\">"+"\n"+"你需要安装JAVA虚拟机才能看APPLET"+"\n"+"</applet>");
alert(str)
</script>
var str = '\'<img src=\'HTTP://MYURL/MYFILE.FIL\' width="400" height="300" name="MYNAME">';
var re=/\'<img src=\'(.*?)\' width=\"(.*?)\" height=\"(.*?)\" name=\"(.*?)\">/g;
re.exec(str);
str=str.replace(re,"<applet name=\"$4\" archive=\"MYARCHIVE.JAR\" code=\"MYCODEPATH\" width=\"$2\" height=\"$3\">"+"\n"+"<param name=\"file\" value=\"$1\">"+"\n"+"<param name=\"auto\" value=\"80\">"+"\n"+"你需要安装JAVA虚拟机才能看APPLET"+"\n"+"</applet>");
alert(str)
</script>
<script>
window.onload=function()
{
var reg="";
var myApplet=document.getElementById("myApplet");
var str=myApplet.innerHTML;
if(navigator.appName=="Microsoft Internet Explorer") //IE
{
reg=/<IMG height=(\d+) src="(.*?)" width=(\d+) name=(.*?)>/i;
alert(reg.test(str));
str=str.replace(reg,'<applet name="$4" archive="MYARCHIVE.JAR" code="MYCODEPATH" width="$3" height="$1"><param name="file" value="$2"><param name="auto" value="80">你需要安装JAVA虚拟机才能看APPLET</applet>');
}
if(navigator.appName=="Netscape") //Netscape,Firefox
{
reg=/<img src="(.*?)" name="(.*?)" height="(\d+)" width="(\d+)">/i;
alert(reg.test(str));
str=str.replace(reg,'<applet name="$2" archive="MYARCHIVE.JAR" code="MYCODEPATH" width="$4" height="$3"><param name="file" value="$1"><param name="auto" value="80">你需要安装JAVA虚拟机才能看APPLET</applet>');
}
//如果还要兼容其他浏览器,照此继续判断
myApplet.innerHTML=str;
}
</script>