很強的頁面Loading載入效果_綜合其它特效

從老外網站挖下來的，一個實用的頁面LOADING……載入效果，用的JS比較多，當然有些是為了能夠演示看到效果而故意加上去的，實際應用中你可以研究一下去掉這些效果，那才是真正的LOADING。

<html>
<head>
<title>:: EasyScript - Exemple ::</title>
<SCRIPT LANGUAGE="JavaScript">
window.defaultStatus="LoadingBar";
</SCRIPT>
<STYLE TYPE="text/css">BODY {scrollbar-face-color: #0069B3; scrollbar-shadow-color: #000000;scrollbar-highlight-color: #FFFFFF;scrollbar-3dlight-color: #000000; scrollbar-darkshadow-color: #000000; scrollbar-track-color: #0069B3; scrollbar-arrow-color: #FFCC00;}</STYLE>
<style type="text/css">
#divLoadCont {position:absolute; z-index:500; left:0px; top:0px; width:100%; height:98%; clip:rect(0px 100% 100% 0px); background-color:#0069B3; layer-background-color:#ffffff;}
#divLoad1    {position:absolute; layer-background-color:silver; background-color:#EEEEEE;}
#divLoad2    {position:absolute; left:0px; top:0px; layer-background-color:navy; background-color:#DCDCDC;}
#divLoadText {position:absolute; background-color:transparent; font-family:courier new,verdana,arial,helvetica,sans-serif; font-weight:bold; color:#0069B3; font-size:18px;} 
</style>
<script language="JavaScript" type="text/javascript">
//HTTP://WWW.CODEFANS.NET
function lib_bwcheck(){ //Browsercheck (needed)
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=this.agent.indexOf("Opera 5")>-1
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	return this
}
var bw=new lib_bwcheck()

numImages = 20
loaderWidth = 250

var px = bw.ns4||window.opera?"":"px";

currentImg = 0
function lib_doc_size(){ 
  this.x=0;this.x2=bw.ie && document.body.offsetWidth-20||innerWidth||0;
  this.y=0;this.y2=bw.ie && document.body.offsetHeight-5||innerHeight||0;
  if(!this.x2||!this.y2) return message('Document has no width or height') 
  this.x50=this.x2/2;this.y50=this.y2/2;
  return this;
}

//Lib objects  ********************
function lib_obj(obj,nest){ 
  nest=(!nest) ? "":'document.'+nest+'.'
  this.evnt=bw.dom? document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+"document.layers." +obj):0;	
  this.css=bw.dom||bw.ie4?this.evnt.style:this.evnt; 
  this.ref=this.css
  this.w=this.evnt.offsetWidth||this.css.clip.width||
    this.ref.width||this.css.pixelWidth||0; 
  return this
}
//Moving object to **************
lib_obj.prototype.moveIt = function(x,y){
  this.x=x; this.y=y; this.css.left=x+px; this.css.top=y+px;
}
//Clipping object to ******
lib_obj.prototype.clipTo = function(t,r,b,l,setwidth){ 
  this.ct=t; this.cr=r; this.cb=b; this.cl=l
  if(bw.ns4){
    this.css.clip.top=t;this.css.clip.right=r
    this.css.clip.bottom=b;this.css.clip.left=l
  }else{
    if(t<0)t=0;if(r<0)r=0;if(b<0)b=0;if(b<0)b=0
    this.css.clip="rect("+t+"px "+r+"px "+b+"px "+l+"px)";
    if (setwidth){
		this.css.pixelWidth = r;
		this.css.pixelHeight = b;
		this.css.width = r+px; 
		this.css.height = b+px;
	}
  }
}
var oLoad2
function startLoading(){
  page = new lib_doc_size()
  oLoadCont = new lib_obj('divLoadCont')
  oLoad = new lib_obj('divLoad1','divLoadCont')
  oLoad2 = new lib_obj('divLoad2','divLoadCont.document.divLoad1')
  oLoadText = new lib_obj('divLoadText','divLoadCont.document.divLoad1')
  oLoad.moveIt(page.x50-loaderWidth/2,page.y50-20)
  oLoadText.moveIt(loaderWidth/2 - oLoadText.w/2,10)
  oLoad.clipTo(0,loaderWidth,40,0,1)
  oLoad2.per = loaderWidth/numImages
}
function loadIt(ok){
  currentImg ++
  if (oLoad2) oLoad2.clipTo(0,oLoad2.per*currentImg,40,0,1)
  if (!ok){
    oLoadCont.css.visibility = "hidden"
    oLoadCont = null;
	oLoad1 = null;
	oLoad2 = null;
  }
}

//DISPLAY FUNCTION - DELETE START -------- DELETE THIS *************
//LEAVE THIS FUNCTION WHILE TESTING. DELETE WHEN READY
function loadIt_display(ok){
  currentImg ++
  if (oLoad2) oLoad2.clipTo(0,oLoad2.per*currentImg,40,0,1)
  if (currentImg<=numImages) setTimeout("loadIt_display(1)",200)
  else{
    oLoadCont.css.visibility = "hidden"
  }
}
//DISPLAY FUNCTION - DELETE END *************************************
</script>
</head>
<body bgcolor="#0069B3">
<div id="divLoadCont">
  <div id="divLoad1">
    <div id="divLoad2"></div><br>
    <div id="divLoadText">Loading...</div>
  </div>
</div>
<script>
startLoading()
loadIt_display(1) //LEAVE THIS LINE WHILE TESTING. DELETE WHEN READY
</script>
<br><br><br>
<center><font face="verdana" size="2" color="#FFFFFF">Chargement de la page termin?..</font><BR>
<hr color="#6F8DD9" width="218">
<a ><img src="http://www.easy-script.com/logo_esp.gif" border="0"></a>
</center>
</body>
</html>

所屬頻道：綜合其它特效/更新時間：2013-06-07

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