left-right menu

<SCRIPT language="JavaScript" type="text/JavaScript">
//树形导航的JS代码
var expandState = 0;
function expand(){
  if(expandState == 0){setPace('master', 0, 10, 10); if(ie){document.menutop.src = './images/menui.gif'}; expandState = 1;}
  else{setPace('master', -200, 10, 10); if(ie){document.menutop.src='./images/menuo.gif'}; expandState = 0;}
}
document.write("<style type=text/css>#master {LEFT: -200px; POSITION: absolute; TOP: 25px; VISIBILITY: visible; Z-INDEX: 999}</style>")
document.write("<table id=master width='218' border='0' cellspacing='0' cellpadding='0'><tr><td><img border=0 height=6 src=./images/menutop.gif  width=200></td><td rowspan='2' valign='top'><img id=menu onMouseOver=javascript:expand() border=0 height=70 name=menutop src=./images/menuo.gif width=18></td></tr>");
document.write("<tr><td valign='top'><table width='100%' border='0' cellspacing='5' cellpadding='0'><tr><td height='400' valign='top'><table width=100% height='100%' border=1 cellpadding=0 cellspacing=5 bordercolor='#666666' bgcolor=#ecf6f5 style=FILTER: alpha(opacity=90)><tr>");
document.write("<td height='10' align='center' bordercolor='#ecf6f5'><font color=999900><strong>栏 目 树 形 导 航</strong></font></td></tr><tr><td valign='top' bordercolor='#ecf6f5'>");
document.write("<iframe width='100%' height='100%' src='/Erpjs/ClassTree.asp' frameborder=0></iframe></td></tr></table></td></tr></table></td></tr></table>");
var ie = document.all ? 1 : 0
var ns = document.layers ? 1 : 0
var master = new Object('element')
master.curLeft = -200;   master.curTop = 10;
master.gapLeft = 0;      master.gapTop = 0;
master.timer = null;
if(ie){var sidemenu = document.all.master;}
if(ns){var sidemenu = document.master;}
setInterval('FixY()',100);
  </SCRIPT>
  <SCRIPT language="JavaScript" type="text/JavaScript">
//改变图片大小
function resizepic(thispic)
{
if(thispic.width>550){thispic.height=thispic.height*550/thispic.width;thispic.width=550;}
}
//无级缩放图片大小
function bbimg(o)
{
  var zoom=parseInt(o.style.zoom, 10)||100;
  zoom+=event.wheelDelta/12;
  if (zoom>0) o.style.zoom=zoom+'%';
  return false;
}
//双击鼠标滚动屏幕的代码
var currentpos,timer;
function initialize()
{
timer=setInterval ("scrollwindow ()",30);
}
function sc()
{
clearInterval(timer);
}
function scrollwindow()
{
currentpos=document.body.scrollTop;
window.scroll(0,++currentpos);
if (currentpos !=document.body.scrollTop)
sc();
}
document.onmousedown=sc
document.ondblclick=initialize

//更改字体大小
var status0='';
var curfontsize=10;
var curlineheight=18;
function fontZoomA(){
  if(curfontsize>8){
    document.getElementById('fontzoom').style.fontSize=(--curfontsize)+'pt';
 document.getElementById('fontzoom').style.lineHeight=(--curlineheight)+'pt';
  }
}
function fontZoomB(){
  if(curfontsize<64){
    document.getElementById('fontzoom').style.fontSize=(++curfontsize)+'pt';
 document.getElementById('fontzoom').style.lineHeight=(++curlineheight)+'pt';
  }
}

 

function moveAlong(layerName, paceLeft, paceTop, fromLeft, fromTop){
 clearTimeout(eval(layerName).timer)
 if(eval(layerName).curLeft != fromLeft){
  if((Math.max(eval(layerName).curLeft, fromLeft) - Math.min(eval(layerName).curLeft, fromLeft)) < paceLeft){eval(layerName).curLeft = fromLeft}
  else if(eval(layerName).curLeft < fromLeft){eval(layerName).curLeft = eval(layerName).curLeft + paceLeft}
   else if(eval(layerName).curLeft > fromLeft){eval(layerName).curLeft = eval(layerName).curLeft - paceLeft}
  if(ie){document.all[layerName].style.left = eval(layerName).curLeft}
  if(ns){document[layerName].left = eval(layerName).curLeft}
 }
 if(eval(layerName).curTop != fromTop){
   if((Math.max(eval(layerName).curTop, fromTop) - Math.min(eval(layerName).curTop, fromTop)) < paceTop){eval(layerName).curTop = fromTop}
  else if(eval(layerName).curTop < fromTop){eval(layerName).curTop = eval(layerName).curTop + paceTop}
   else if(eval(layerName).curTop > fromTop){eval(layerName).curTop = eval(layerName).curTop - paceTop}
  if(ie){document.all[layerName].style.top = eval(layerName).curTop}
  if(ns){document[layerName].top = eval(layerName).curTop}
 }
 eval(layerName).timer=setTimeout('moveAlong("'+layerName+'",'+paceLeft+','+paceTop+','+fromLeft+','+fromTop+')',30)
}

function setPace(layerName, fromLeft, fromTop, motionSpeed){
 eval(layerName).gapLeft = (Math.max(eval(layerName).curLeft, fromLeft) - Math.min(eval(layerName).curLeft, fromLeft))/motionSpeed
 eval(layerName).gapTop = (Math.max(eval(layerName).curTop, fromTop) - Math.min(eval(layerName).curTop, fromTop))/motionSpeed
 moveAlong(layerName, eval(layerName).gapLeft, eval(layerName).gapTop, fromLeft, fromTop)
}
function FixY(){
 if(ie){sidemenu.style.top = document.body.scrollTop+10}
 if(ns){sidemenu.top = window.pageYOffset+10}
}

  </SCRIPT>