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JavaScript 弹出层效果

 2009-02-13 20:05:57 来源:WEB开发网   
核心提示:function sAlert(str){ var msgw,msgh,bordercolor; msgw=400;//提示窗口的宽度 msgh=100;//提示窗口的高度 titleheight=25 //提示窗口标题高度 bordercolor="#336699";//提示窗口的边框颜
function sAlert(str){
  var msgw,msgh,bordercolor;
  msgw=400;//提示窗口的宽度
  msgh=100;//提示窗口的高度
  titleheight=25 //提示窗口标题高度
  bordercolor="#336699";//提示窗口的边框颜色
  titlecolor="#99CCFF";//提示窗口的标题颜色
 
  var sWidth,sHeight;
  sWidth=document.body.offsetWidth;
  sHeight=screen.height;
  var bgObj=document.createElement("div");
  bgObj.setAttribute('id','bgDiv');
  bgObj.style.position="absolute";
  bgObj.style.top="0";
  bgObj.style.background="#777";
  bgObj.style.filter="PRogid:DXImageTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75";
  bgObj.style.opacity="0.6";
  bgObj.style.left="0";
  bgObj.style.width=sWidth + "px";
  bgObj.style.height=sHeight + "px";
  bgObj.style.zIndex = "10000";
  document.body.appendChild(bgObj);
  
  var msgObj=document.createElement("div")
  msgObj.setAttribute("id","msgDiv");
  msgObj.setAttribute("align","center");
  msgObj.style.background="white";
  msgObj.style.border="1px solid " + bordercolor;
  msgObj.style.position = "absolute";
  msgObj.style.left = "50%";
  msgObj.style.top = "50%";
  msgObj.style.font="12px/1.6em Verdana, Geneva, Arial, Helvetica, sans-serif";
  msgObj.style.marginLeft = "-225px" ;
  msgObj.style.marginTop = -75+document.documentElement.scrollTop+"px";
  msgObj.style.width = msgw + "px";
  msgObj.style.height =msgh + "px";
  msgObj.style.textAlign = "center";
  msgObj.style.lineHeight ="25px";
  msgObj.style.zIndex = "10001";
  
  var title=document.createElement("h4");
  title.setAttribute("id","msgTitle");
  title.setAttribute("align","right");
  title.style.margin="0";
  title.style.padding="3px";
  title.style.background=bordercolor;
  title.style.filter="progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100);";
  title.style.opacity="0.75";
  title.style.border="1px solid " + bordercolor;
  title.style.height="18px";
  title.style.font="12px Verdana, Geneva, Arial, Helvetica, sans-serif";
  title.style.color="white";
  title.style.cursor="pointer";
  title.innerHTML="关闭";
  title.onclick=function(){
      document.body.removeChild(bgObj);
      document.getElementById("msgDiv").removeChild(title);
      document.body.removeChild(msgObj);
     }
  document.body.appendChild(msgObj);
  document.getElementById("msgDiv").appendChild(title);
  var txt=document.createElement("p");
  txt.style.margin="1em 0"
  txt.setAttribute("id","msgTxt");
  txt.innerHTML=str;
  document.getElementById("msgDiv").appendChild(txt);
}

Tags:JavaScript 效果

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