日期:2014-05-16  浏览次数:20343 次

JavaScript控制整个页面和div的问题,请高手指教,在线急等~~
我想在一个页面中点击一个按扭,在鼠标旁弹出一个div(里面有文本框,可以编辑),并且除这个div之外的整个页面变灰(不可用),请高手指教,急等中!~

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http://jquery.com/demo/thickbox/
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也就是iframe+div的问题,网上代码很多的,找找看
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关机效果,多着咧。
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要想突破frameset,恐怕不那么容易,也许可以考虑popup!
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把div的实现放到最顶层的页面中,置灰的时候一个一个frame的处理。
不知道这样行不行。
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<HTML> <HEAD>
<META content= "MSHTML 6.00.2800.1586 " name=GENERATOR> </HEAD>
<BODY> <INPUT onclick= "sAlert( '测试效果 <br/> 还可以直接书写HTML代码 <br/> &copy; 2006 '); " type=button value=点击这里>
<SCRIPT language=javascript type=text/javascript>
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
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=document.body.offsetHeight;

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 ";
document.body.appendChild(bgObj);
var msgObj=document.createElement( "div ")
msgObj.setAttribute( "id ", "msgDiv ");
msgObj.setAttribute( "align ", "center ");
msgObj.style.position= "absolute ";
msgObj.style.background= "white ";
msgObj.style.font= "12px/1.6em Verdana, Geneva, Arial, Helvetica, sans-serif ";
msgObj.style.border= "1px solid " + bordercolor;
msgObj.style.width=msgw + "px ";
msgObj.style.height=msgh + "px ";
msgObj.style.top=(document.documentElement.scrollTop + (sHeight-msgh)/2) + "px ";
msgObj.style.left=(sWidth-msgw)/2 + "px ";
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);