JS弹出窗口 漂亮的JS弹出 提示窗口

效果图：



<script type="text/javascript" language="javascript">

function sAlert(strTitle,strContent){

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.title = "点击关闭";

title.innerHTML="<table border='0′ width='100%'><tr><td align='left'><b>"+ strTitle +"</b></td><td>关闭</td></tr></table></div>";

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=strContent;

document.getElementById("msgDiv").appendChild(txt);

}

</script>

<input name="txtMACAddr" type="button" value="anniu" onclick='sAlert("","这个弹出窗口还行吗？")'/>