<HTML>
<HEAD>
<META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
<TITLE></TITLE>
<script language="javascript">
<!--
function show()
{
for (var i=0;i<document.form1 .elements .length;i++)
{
if (document.form1 .elements [i].type=="checkbox")
{
if (document.form1.elements [i].checked)
{
alert("确实要删除吗?")
break
}
}
}
}
//-->
</script>
</HEAD>
<BODY >
<form name=form1 onclick="show()">
<input type="checkbox" name="check1" >slum
<input type="checkbox" name="check2">cherry
</form>
</BODY>
</HTML>
<HEAD>
<META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
<TITLE></TITLE>
<script language="javascript">
<!--
function show()
{
for (var i=0;i<document.form1 .elements .length;i++)
{
if (document.form1 .elements [i].type=="checkbox")
{
if (document.form1.elements [i].checked)
{
alert("确实要删除吗?")
break
}
}
}
}
//-->
</script>
</HEAD>
<BODY >
<form name=form1 onclick="show()">
<input type="checkbox" name="check1" >slum
<input type="checkbox" name="check2">cherry
</form>
</BODY>
</HTML>
<HEAD><script language="javascript">
<!--
function isSomeBoxesChecked()
{
var checkBoxObjs=document.getElementsByName("a");
for (var i=0;i<checkBoxObjs.length;i++)
{
if (checkBoxObjs[i].checked)
return true
}
return false;
}
//-->
</script>
</HEAD>
<BODY >
<form name=form1 >
<input type="checkbox" name="a">slum
<input type="checkbox" name="a">cherry
<input type=button value=OK onclick="alert(isSomeBoxesChecked())">
</form>
</BODY>
</HTML>