JS能不能画饼图??

看看这个怎么样??
<HTML>
<HEAD>
<TITLE>饼图</TITLE>
<script>
function DrawPieChart() 
{
var totalvalue = value1.value/360 + value2.value/360 + value3.value/360 + value4.value/360;
var per1 = value1.value/totalvalue;
var per2 = value2.value/totalvalue;
var per3 = value3.value/totalvalue;
var per4 = value4.value/totalvalue; var per12 = per1 + per2;
var per123 = per1 + per2 + per3;Chart.innerHTML = "<OBJECT ID='PieChart' CLASSID='CLSID:369303C2-D7AC-11D0-89D5-00A0C90833E6' STYLE='position:relative;top:0;left:0;width:400;height:400'><PARAM NAME='Line0001' ALUE='SetLineColor(255, 0, 127)'><PARAM NAME='Line0002' VALUE='SetFillStyle(1)'><PARAM NAME='Line0003' VALUE='SetFillColor(0, 255, 80)'><PARAM NAME='Line0004' VALUE='Pie(-100, -100, 200, 200, 0, "+ per1 +", 0)'><PARAM NAME='Line0005' VALUE='SetFillStyle(1)'><PARAM NAME='Line0006' VALUE='SetFillColor(0, 0, 255)'><PARAM NAME='Line0007' VALUE='Pie(-100, -100, 200, 200, "+ per1 + ", " + per2 + ", 0)'><PARAM NAME='Line0008' VALUE='SetFillStyle(1)'><PARAM NAME='Line0009' VALUE='SetFillColor(0, 128, 128)'><PARAM NAME='Line0010' VALUE='Pie(-100, -100, 200, 200, "+per12+","+per3+", 0)'><PARAM NAME='Line0011' VALUE='SetFillStyle(1)'><PARAM NAME='Line0012' VALUE='SetFillColor(255, 0, 0)'><PARAM NAME='Line0013' VALUE='Pie(-100, -100, 200, 200, "+per123+","+per4+", 0)'></OBJECT>"}
</script>
</HEAD>
<BODY link="#000000" vlink="#000000" alink="#000000" bgcolor="#000000">
<div align="justify">
<table border=0 width=100% cellspacing="0" cellpadding="0">
<tr><td id="Chart" width=99% height=400 align=center style="border: 1 solid #808080" bgcolor="#FFFFFF">
<span style="background-color: #000000"><font color="#FFFFFF" size="7"><b>画板</b></font></span></td>
<td width=35% bgcolor="#C0C0C0" style="border-style: outset; border-width: 5" valign="top" nowrap>
<p align=center><br>
* 输入4个数 * 
</p> 
<hr> 
<p align=center><br> 
<input id="value1" type=text size=12 value=0>绿色 <br> 
<input id="value2" type=text size=12 value=0>蓝色<br> 
<input id="value3" type=text size=12 value=0>墨绿<br> 
<input id="value4" type=text size=12 value=0>红色 
</p> 
<p align=center> 
<input type=button onclick="DrawPieChart()" value=" < 画饼图 > "> 
</p> 
<hr> 
<p align=center><a href="http://weicool.tk" target="_blank"><b><font size="5">伟COOL美化</font></b></a> 
</p> 
<hr> 
</td> 
</tr> 
</table> 
</div> 
</BODY> 
</HTML>