<html>
<head>
<style type="text/css">
</style>
</head>
<body>
//背景层(大小与窗口有效区域相同,即当弹出对话框时,背景显示为放射状透明灰色) //背景层(大小与窗口有效区域相同,即当弹出对话框时,背景显示为放射状透明灰色) //背景层(大小与窗口有效区域相同,即当弹出对话框时,背景显示为放射状透明灰色) //背景层(大小与窗口有效区域相同,即当弹出对话框时,背景显示为放射状透明灰色) //背景层(大小与窗口有效区域相同,即当弹出对话框时,背景显示为放射状透明灰色) //背景层(大小与窗口有效区域相同,即当弹出对话框时,背景显示为放射状透明灰色)
<input type="button" value="点击这里" onclick="sAlert()" />
<script type="text/javascript" language="javascript">
function sAlert(){
var msgw,msgh,bordercolor
msgw=250//提示窗口的宽度
msgh=100//提示窗口的高度
bordercolor="#336699"//提示窗口的边框颜色
titlecolor="#99CCFF"//提示窗口的标题颜色
//背景层(大小与窗口有效区域相同,即当弹出对话框时,背景显示为放射状透明灰色)
var bgObj=document.createElement("div")//创建一个div对象(背景层)
//定义div属性
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="15%"
bgObj.style.width="85%"
bgObj.style.height="100%"
bgObj.style.zIndex = "10000"
document.body.appendChild(bgObj)//在body内添加该div对象
var msgObj=document.createElement("div")//创建一个div对象(提示框层)
//定义div属性,即相当于
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 = "65%"
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")//创建一个h4对象(提示框标题栏)
//定义h4的属性,即相当于
//<h4 id="msgTitle" align="right" style="margin:0 padding:3px background-color:#336699 filter:progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100) opacity:0.75 border:1px solid #336699 height:18px font:12px Verdana,Geneva,Arial,Helvetica,sans-serif color:white cursor:pointer" onclick="">关闭 </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="0.7"
title.style.border="1px solid " + bordercolor
title.style.height="12px"
title.style.font="12px Verdana, Geneva, Arial, Helvetica, sans-serif"
title.style.color="white"
title.style.cursor="pointer"
title.innerHTML="关闭"
title.onclick=removeObj
function removeObj(){//点击标题栏触发的事件
document.body.removeChild(bgObj)//删除背景层Div
document.getElementById("msgDiv").removeChild(title)//删除提示框的标题栏
document.body.removeChild(msgObj)//删除提示框层
}
document.body.appendChild(msgObj)//在body内添加提示框div对象msgObj
document.getElementById("msgDiv").appendChild(title)//在提示框div中添加标题栏对象title
var txt=document.createElement("p")//创建一个p对象(提示框提示信息)
txt.style.margin="1em 0"
txt.setAttribute("id","msgTxt")
txt.innerHTML='key:<input type="test" name="psd" /><br><input type ="button" value = "send" onclick= removeObj() >'
document.getElementById("msgDiv").appendChild(txt)//在提示框div中添加提示信息对象txt
}
</script>
</body>
</html>
黑边的话,可能是你设置了背景颜色你可以把你的css样式改成如下(背景色去掉):
background: url('../images/bg_1.png') no-repeat scroll top center
以上,你可以试试,谢谢!