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按钮控制滚动条的隐藏及显示
加入如下代码到body区域
<form action="" method="post" name="agree"> 请认真查看论坛声明和注册条款---- <input type="submit" value="我同意 (9)" name="agreeb"> </form> <SCRIPT language=javascript> <!-- var secs = 9; document.agree.agreeb.disabled=true; for(i=1;i<=secs;i++) { window.setTimeout("update(" + i + ")", i * 1000); } function update(num) { if(num == secs) { document.agree.agreeb.value =" 我 同 意 "; document.agree.agreeb.disabled=false; } else { printnr = secs-num; document.agree.agreeb.value = "我同意 (" + printnr +")"; } } //--> </SCRIPT>