javascript实现的登陆遮罩效果汇总(2)

<script type="text/javascript"> function setHeight() { var h=document.documentElement.scrollHeight; document.getElementById("blanks").style.height=h+"px"; } function hidediv() { document.getElementById("login").style.display="none"; document.getElementById("blanks").style.display="none"; } function showLogin() { document.getElementById("login").style.display="block"; document.getElementById("blanks").style.display="block"; } </script>

例子二：