html+javascript实现可拖动可提交的弹出层对话框效果_javascript技巧

<script> <BR>function showPopup() {//弹出层 <BR>var objDiv = document.getElementById("popDiv"); <BR>objDiv.style.top = "50px";//设置弹出层距离上边界的距离 <BR>objDiv.style.left = "200px";//设置弹出层距离左边界的距离 <BR>objDiv.style.width = "300px";//设置弹出层的宽度 <BR>objDiv.style.height = "200px";//设置弹出层的高度 <BR>//objDiv.style.display = "block"; <BR>objDiv.style.visibility = "visible"; <BR>} <BR>function hidePopup() {//关闭层 <BR>var objDiv = document.getElementById("popDiv"); <BR>objDiv.style.visibility = "hidden"; <BR>} <BR></script>