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Javascript
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javascript 数组操作实用技巧
JavaScript 中级笔记 第二章
JavaScript 中级笔记 第三章
JavaScript 中级笔记 第四章 闭包
JavaScript 中级笔记 第五章 面向对象的基础
Mootools 1.2教程 函数
Mootools 1.2教程 事件处理
通过Mootools 1.2来操纵HTML DOM元素
Mootools 1.2教程 设置和获取样式表属性
Mootools 1.2教程 输入过滤第一部分(数字)
Mootools 1.2教程 输入过滤第二部分(字符串)
Mootools 1.2教程 Fx.Tween的使用
Mootools 1.2教程 Fx.Morph、Fx选项和Fx事件
MooTools 1.2中的Drag.Move来实现拖放
Mootools 1.2教程 正则表达式
Mootools 1.2教程 定时器和哈希简介
Mootools 1.2教程 滚动条(Slider)

Javascript 中的 可拖动窗口,附带鼠标控制渐变透明,开启关闭功能


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-10-12   浏览: 119 ::
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<style type="text/css">
<!--
#Layer1 {
position:absolute;
width:210px;
height:160px;
z-index:1;
left: 178px;
top: 322px;
background-color: #FFFBF0;
}
#content {
position:absolute;
width:200px;
height:115px;
z-index:1;
left: 0px;
top: 27px;
border: 1px solid #666666;
}
#bar {
position:absolute;
width:200px;
height:25px;
z-index:2;
background-color: #00FF33;
left: 0px;
top: 0px;
}
#but_1 {
position:absolute;
width:14px;
height:14px;
z-index:3;
left: 183px;
top: 6px;
overflow: hidden;
background-color: #333333;
}
#but_2 {
position:absolute;
width:10px;
height:10px;
z-index:4;
left: 164px;
top: 6px;
background-color: #00FF33;
border: 2px solid #666666;
overflow: hidden;
}
-->
</style>
<script type="text/JavaScript">
<!--
function MM_findObj(n, d) { //v4.01
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_scanStyles(obj, prop) { //v8.0
var inlineStyle = null; var ccProp = prop; var dash = ccProp.indexOf("-");
while (dash != -1){ccProp = ccProp.substring(0, dash) + ccProp.substring(dash+1,dash+2).toUpperCase() + ccProp.substring(dash+2); dash = ccProp.indexOf("-");}
inlineStyle = eval("obj.style." + ccProp);
if(inlineStyle) return inlineStyle;
var ss = document.styleSheets;
for (var x = 0; x < ss.length; x++) { var rules = ss[x].cssRules;
for (var y = 0; y < rules.length; y++) { var z = rules[y].style;
if(z[prop] && (rules[y].selectorText == '*[ID"' + obj.id + '"]')) {
return z[prop];
} } } return "";
}

function MM_getProp(obj, prop) { //v8.0
if (!obj) return ("");
if (prop == "L") return obj.offsetLeft;
else if (prop == "T") return obj.offsetTop;
else if (prop == "W") return obj.offsetWidth;
else if (prop == "H") return obj.offsetHeight;
else {
if (typeof(window.getComputedStyle) == "undefined") {
if (typeof(obj.currentStyle) == "undefined"){
if (prop == "P") return MM_scanStyles(obj,"position");
else if (prop == "Z") return MM_scanStyles(obj,"z-index");
else if (prop == "V") return MM_scanStyles(obj,"visibility");
} else {
if (prop == "P") return obj.currentStyle.position;
else if (prop == "Z") return obj.currentStyle.zIndex;
else if (prop == "V") return obj.currentStyle.visibility;
}
} else {
if (prop == "P") return window.getComputedStyle(obj,null).getPropertyValue("position");
else if (prop == "Z") return window.getComputedStyle(obj,null).getPropertyValue("z-index");
else if (prop == "V") return window.getComputedStyle(obj,null).getPropertyValue("visibility");
}
}
}

function MM_dragLayer(objName,x,hL,hT,hW,hH,toFront,dropBack,cU,cD,cL,cR,targL,targT,tol,dropJS,et,dragJS) { //v8.0
//Copyright 2005 Macromedia, Inc. All rights reserved.
var i,j,aLayer,retVal,curDrag=null,curLeft,curTop,IE=document.all,NS4=document.layers;
var NS6=(!IE&&document.getElementById), NS=(NS4||NS6); if (!IE && !NS) return false;
retVal = true; if(IE && event) event.returnValue = true;
if (MM_dragLayer.arguments.length > 1) {
curDrag = MM_findObj(objName); if (!curDrag) return false;
if (!document.allLayers) { document.allLayers = new Array();
with (document) if (NS4) { for (i=0; i<layers.length; i++) allLayers[i]=layers[i];
for (i=0; i<allLayers.length; i++) if (allLayers[i].document && allLayers[i].document.layers)
with (allLayers[i].document) for (j=0; j<layers.length; j++) allLayers[allLayers.length]=layers[j];
} else {
if (NS6) { var spns = getElementsByTagName("span"); var all = getElementsByTagName("div");
for (i=0;i<spns.length;i++) if (MM_getProp(spns[i],'P')) allLayers[allLayers.length]=spns[i];}
for (i=0;i<all.length;i++) {
if (NS4){if (all[i].style&&all[i].style.position) allLayers[allLayers.length]=all[i];}
else if (MM_getProp(all[i],'P')) allLayers[allLayers.length]=all[i];
}
} }
curDrag.MM_dragOk=true; curDrag.MM_targL=targL; curDrag.MM_targT=targT;
curDrag.MM_tol=Math.pow(tol,2); curDrag.MM_hLeft=hL; curDrag.MM_hTop=hT;
curDrag.MM_hWidth=hW; curDrag.MM_hHeight=hH; curDrag.MM_toFront=toFront;
curDrag.MM_dropBack=dropBack; curDrag.MM_dropJS=dropJS;
curDrag.MM_everyTime=et; curDrag.MM_dragJS=dragJS;
curDrag.MM_oldZ = (NS4)?curDrag.zIndex:MM_getProp(curDrag,'Z');
curLeft= (NS4)?curDrag.left:MM_getProp(curDrag,'L');
if (String(curLeft)=="NaN") curLeft=0; curDrag.MM_startL = curLeft;
curTop = (NS4)?curDrag.top:MM_getProp(curDrag,'T');
if (String(curTop)=="NaN") curTop=0; curDrag.MM_startT = curTop;
curDrag.MM_bL=(cL<0)?null:curLeft-cL; curDrag.MM_bT=(cU<0)?null:curTop-cU;
curDrag.MM_bR=(cR<0)?null:curLeft+cR; curDrag.MM_bB=(cD<0)?null:curTop+cD;
curDrag.MM_LEFTRIGHT=0; curDrag.MM_UPDOWN=0; curDrag.MM_SNAPPED=false; //use in your JS!
document.onmousedown = MM_dragLayer; document.onmouseup = MM_dragLayer;
if (NS) document.captureEvents(Event.MOUSEDOWN|Event.MOUSEUP);
} else {
var theEvent = ((NS)?objName.type:event.type);
if (theEvent == 'mousedown') {
var mouseX = (NS)?objName.pageX : event.clientX + document.body.scrollLeft;
var mouseY = (NS)?objName.pageY : event.clientY + document.body.scrollTop;
var maxDragZ=null; document.MM_maxZ = 0;
for (i=0; i<document.allLayers.length; i++) { aLayer = document.allLayers[i];
var aLayerZ = (NS4)?aLayer.zIndex:MM_getProp(aLayer,'Z');
if (aLayerZ > document.MM_maxZ) document.MM_maxZ = aLayerZ;
var isVisible = ((NS4)?aLayer.visibility:MM_getProp(aLayer,'V')).indexOf('hid') == -1;
if (aLayer.MM_dragOk != null && isVisible) with (aLayer) {
var parentL=0; var parentT=0;
if (NS6) { parentLayer = aLayer.parentNode;
while (parentLayer != null && parentLayer != document && MM_getProp(parentLayer,'P')) {
parentL += parseInt(MM_getProp(parentLayer,'L')); parentT += parseInt(MM_getProp(parentLayer,'T'));
parentLayer = parentLayer.parentNode;
if (parentLayer==document) parentLayer = null;
} } else if (IE) { parentLayer = aLayer.parentElement;
while (parentLayer != null && MM_getProp(parentLayer,'P')) {
parentL += MM_getProp(parentLayer,'L'); parentT += MM_getProp(parentLayer,'T');
parentLayer = parentLayer.parentElement; } }
var tmpX=mouseX-((NS4)?pageX:(MM_getProp(aLayer,'L'))+parentL+MM_hLeft);
var tmpY=mouseY-((NS4)?pageY:(MM_getProp(aLayer,'T'))+parentT+MM_hTop);
if (String(tmpX)=="NaN") tmpX=0; if (String(tmpY)=="NaN") tmpY=0;
var tmpW = MM_hWidth; if (tmpW <= 0) tmpW += (NS4)?clip.width:MM_getProp(aLayer,'W');
var tmpH = MM_hHeight; if (tmpH <= 0) tmpH += (NS4)?clip.height:MM_getProp(aLayer,'H');
if ((0 <= tmpX && tmpX < tmpW && 0 <= tmpY && tmpY < tmpH) && (maxDragZ == null
|| maxDragZ <= aLayerZ)) { curDrag = aLayer; maxDragZ = aLayerZ; } } }
if (curDrag) {
document.onmousemove = MM_dragLayer; if (NS4) document.captureEvents(Event.MOUSEMOVE);
curLeft = (NS4)?curDrag.left:MM_getProp(curDrag,'L');
curTop = (NS4)?curDrag.top:MM_getProp(curDrag,'T');
if (String(curLeft)=="NaN") curLeft=0; if (String(curTop)=="NaN") curTop=0;
MM_oldX = mouseX - curLeft; MM_oldY = mouseY - curTop;
document.MM_curDrag = curDrag; curDrag.MM_SNAPPED=false;
if(curDrag.MM_toFront) {
var newZ = parseInt(document.MM_maxZ)+1;
eval('curDrag.'+((NS4)?'':'style.')+'zIndex=newZ');
if (!curDrag.MM_dropBack) document.MM_maxZ++; }
retVal = false; if(!NS4&&!NS6) event.returnValue = false;
} } else if (theEvent == 'mousemove') {
if (document.MM_curDrag) with (document.MM_curDrag) {
var mouseX = (NS)?objName.pageX : event.clientX + document.body.scrollLeft;
var mouseY = (NS)?objName.pageY : event.clientY + document.body.scrollTop;
var newLeft = mouseX-MM_oldX; var newTop = mouseY-MM_oldY;
if (MM_bL!=null) newLeft = Math.max(newLeft,MM_bL);
if (MM_bR!=null) newLeft = Math.min(newLeft,MM_bR);
if (MM_bT!=null) newTop = Math.max(newTop ,MM_bT);
if (MM_bB!=null) newTop = Math.min(newTop ,MM_bB);
MM_LEFTRIGHT = newLeft-MM_startL; MM_UPDOWN = newTop-MM_startT;
if (NS4) {left = newLeft; top = newTop;}
else if (NS6){style.left = newLeft + "px"; style.top = newTop + "px";}
else {style.pixelLeft = newLeft; style.pixelTop = newTop;}
if (MM_dragJS) eval(MM_dragJS);
retVal = false; if(!NS) event.returnValue = false;
} } else if (theEvent == 'mouseup') {
document.onmousemove = null;
if (NS) document.releaseEvents(Event.MOUSEMOVE);
if (NS) document.captureEvents(Event.MOUSEDOWN); //for mac NS
if (document.MM_curDrag) with (document.MM_curDrag) {
if (typeof MM_targL =='number' && typeof MM_targT == 'number' &&
(Math.pow(MM_targL-((NS4)?left:MM_getProp(document.MM_curDrag,'L')),2)+
Math.pow(MM_targT-((NS4)?top:MM_getProp(document.MM_curDrag,'T')),2))<=MM_tol) {
if (NS4) {left = MM_targL; top = MM_targT;}
else if (NS6) {style.left = MM_targL + "px"; style.top = MM_targT + "px";}
else {style.pixelLeft = MM_targL; style.pixelTop = MM_targT;}
MM_SNAPPED = true; MM_LEFTRIGHT = MM_startL-MM_targL; MM_UPDOWN = MM_startT-MM_targT; }
if (MM_everyTime || MM_SNAPPED) eval(MM_dropJS);
if(MM_dropBack) {if (NS4) zIndex = MM_oldZ; else style.zIndex = MM_oldZ;}
retVal = false; if(!NS) event.returnValue = false; }
document.MM_curDrag = null;
}
if (NS) document.routeEvent(objName);
} return retVal;
}
//-->
</script>

<script>
<!--
// code by windy_sk
var timer=null;
var org_opacity=30;
var step=5;
var ext_time=30;

function doit(img,mode){
clearTimeout(timer);
if(img.style.filter.indexOf("alpha")==-1)img.style.filter+="alpha(opacity="+org_opacity+")";
var cur_level=img.filters.alpha.opacity;
if(mode){
cur_level+=step;
if(cur_level>100)cur_level=100;
}else{
cur_level-=step;
if(cur_level<org_opacity)cur_level=org_opacity;
}
img.filters.alpha.opacity=cur_level;
if(cur_level!=100 && cur_level!==ext_time)
timer=setTimeout("doit("+img.id+","+mode+")",ext_time)
}

function MM_showHideLayers() { //v6.0
var i,p,v,obj,args=MM_showHideLayers.arguments;
for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
obj.visibility=v; }
}
//-->
</script>
</head>

<body onload="MM_dragLayer('Layer1','',0,0,0,0,true,false,-1,-1,-1,-1,false,false,0,'',false,'')">

<body bgcolor="#FFFBF0">


<div id="Layer1" style="filter: alpha(opacity=30)" onmouseover=doit(this,true) onmouseout=doit(this,false) >
<div id="content"><img src="/img/common/logo.gif" name="test" width=90 height=27 border="0" id="test" /></div>
<div id="bar"></div>
<div id="but_1" onclick="MM_showHideLayers('content','','show')"></div>
<div id="but_2" onclick="MM_showHideLayers('content','','hide')"></div>
</div>