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);//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 " ;
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");//创建一个h4对象（提示框标题栏）
//定义h4的属性，即相当于
//
关闭
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" ;
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=removeObj;
var button=document.createElement( "input");//创建一个input对象（提示框按钮）
//定义input的属性，即相当于
//
button.setAttribute( "type", "button");
button.setAttribute( "value", "关闭");
button.style.width= "60px";
button.style.align= "center";
button.style.marginLeft= "250px";
button.style.marginBottom= "10px";
button.style.background=bordercolor;
button.style.border= "1px solid";
button.style.color= "white";
button.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）
//定义p的属性，即相当于
//
测试效果
txt.style.margin= "1em 0"
txt.setAttribute( "id ", "msgTxt");
txt.innerHTML=str;//来源于函数调用时的参数值
document.getElementById( "msgDiv").appendChild(txt);//在提示框div中添加提示信息对象txt
document.getElementById( "msgDiv").appendChild(button);//在提示框div中添加按钮对象button
}
[Ctrl+A 全选 注:
如需引入外部Js需刷新才能执行]
注意style.position和style.zIndex两属性。
