js code to create a floating div_javascript skills

<div id="jb51net" onclick="MenuPanel()"> </div>Script House Code Test (click to select)
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]<script> //关闭DIV MENU function MenuClose() { var MenuDiv = document.getElementById("MenuDiv"); if(MenuDiv != null) { document.body.removeChild(MenuDiv); } } //创建menu function MenuPanel(opflag,operid, left, top) { var MenuDiv = document.getElementById("MenuDiv"); if(MenuDiv != null) { document.body.removeChild(MenuDiv); } var useflag = "停用帐号"; var flag=opflag; if (flag == "0") { useflag = "停用帐号"; } else { useflag = "激活帐号"; } MenuDiv = document.createElement("div"); MenuDiv.id = "MenuDiv"; MenuDiv.onmouseleave = function() { MenuClose(); } MenuDiv.style.position = "absolute"; MenuDiv.style.setAttribute("zIndex" ,"201"); MenuDiv.style.setAttribute("backgroundColor" ,"#EFEFEF"); MenuDiv.style.setAttribute("Font" ,"10pt"); MenuDiv.style.setAttribute("width" ,60); MenuDiv.style.setAttribute("left" ,left); MenuDiv.style.setAttribute("top" ,top); MenuDiv.innerHTML = "<table width=\"100%\">" +"<tr><td onclick=\"javascript:RedirectUrl(1,'" + flag + "','" + operid + "');MenuClose();\" style=\"cursor:hand;height:20px;Color:blue;\" onmouseover=\"this.style.backgroundColor='#FFD76B';\" onmouseout=\"this.style.backgroundColor='#EFEFEF';\" align=\"left\" valign=\"top\">"+useflag+"" +"<tr><td onclick=\"RedirectUrl(0,0,'" + operid + "')\" style=\"cursor:hand;height:20px;Color:blue;\" onmouseover=\"this.style.backgroundColor='#FFD76B';\" onmouseout=\"this.style.backgroundColor='#EFEFEF';\" align=\"left\" valign=\"top\">修改帐号" +"<tr><td onclick=\"javascript:RedirectUrl(4,0,'" + operid + "')\" style=\"cursor:hand;height:20px;Color:blue;\" onmouseover=\"this.style.backgroundColor='#FFD76B';\" onmouseout=\"this.style.backgroundColor='#EFEFEF';\" align=\"left\" valign=\"top\">重设密码" +"<tr><td onclick=\"RedirectUrl(2,0,'" + operid + "')\" style=\"cursor:hand;height:20px;Color:blue;\" onmouseover=\"this.style.backgroundColor='#FFD76B';\" onmouseout=\"this.style.backgroundColor='#EFEFEF';\" align=\"left\" valign=\"top\">角色管理" +"<tr><td onclick=\"javascript:RedirectUrl(3,0,'" + operid + "')\" style=\"cursor:hand;height:20px;Color:blue;\" onmouseover=\"this.style.backgroundColor='#FFD76B';\" onmouseout=\"this.style.backgroundColor='#EFEFEF';\" align=\"left\" valign=\"top\">删除帐号" +""; document.body.appendChild(MenuDiv); } //获取控件的高度和宽度 function getAbsolutePos(e) { var t=e.offsetTop; var l=e.offsetLeft; while(e=e.offsetParent) { t+=e.offsetTop; l+=e.offsetLeft; } var pos = { x: l, y: t }; return pos; } </script>