159、进入页面等待

159、进入页面等待

脚本说明:

<style type="text/css">

#divLoadCont{position:absolute; z-index:500; left:0; top:0; width:100%; height:98%; clip:rect(0,100%,100%,0); background-color:white; layer-background-color:white; }

#divLoad1{position:absolute; layer-background-color:silver; background-color:silver}

#divLoad2{position:absolute; left:0; top:0; layer-background-color:navy; background-color:navy}

#divLoadText{position:absolute; background-color:transparent; font-family:arial,helvetica; color:Navy; font-size:14px; }

</style>

<script language="JavaScript" type="text/javascript">

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()

 

 

/*VARIABLES TO SET START: */

numImages=10 //How many images you have in your page

loaderWidth=300 //The width of the loadbar

 

currentImg=0

//Document size object ********

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;this.css.top=y

}

//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+","+r+","+b+","+l+")";

    if(setwidth){this.css.pixelWidth=this.css.width=r;

    this.css.pixelHeight=this.css.height=b}

  }

}

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>

<div id="divLoadCont">

  <div id="divLoad1">

    <div id="divLoad2"></div><br>

    <div id="divLoadText">Loading...</div>

  </div>

</div>

<script>

startLoading()

//onload=loadIt; //- LEAVE THIS LINE WHILE TESTING. UNCOMMENT WHEN READY

loadIt_display(1) //LEAVE THIS LINE WHILE TESTING. DELETE WHEN READY

</script>

 

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