| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
</HEAD>
<script>
function check(){
var result=document.myform.result;
var checkbox=document.myform.checkbox;
result.value = "";
for (i=0;i<checkbox.length;i++){
if(checkbox[i].checked)
result.value+=checkbox[i].checked?checkbox[i].value:'';
}
}
</script>
<BODY>
<form name="myform">
<input name="checkbox" type="checkbox" id="checkbox" value="工作" onclick ="check();"/>
工作<br />
<input name="checkbox" type="checkbox" id="checkbox" value="学习" onclick ="check();" />
学习<br />
<input name="checkbox" type="checkbox" id="checkbox" value="大众计算机学习网" onclick ="check();"/>
大众计算机学习网
<input name="result" type="text" id="result" value="" />
</form>
</BODY>
</HTML>
| 
