日期:2014-05-16  浏览次数:20421 次

那个大神帮我看看这段JS IE报错
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>Insert title here</title>
<style>


.mesWindow {
border: #666 1px solid;
background: #fff;
}

.mesWindowTop {
border-bottom: #eee 1px solid;
margin-left: 4px;
padding: 3px;
font-weight: bold;
text-align: left;
font-size: 12px;
}

.mesWindowContent {
margin: 4px;
font-size: 12px;
}

.mesWindow .close {
height: 15px;
width: 28px;
border: none;
cursor: pointer;
text-decoration: underline;
background: #fff
}
</style>

  <script language="javascript" type="text/javascript">
  var isIe = (document.all) ? true : false;
  //设置select的可见状态 
  function setSelectState(state) {

  var 

objl = document.getElementsByTagName

('select');
  for (var i = 0; i < objl.length; i++) {
  objl[i].style.visibility = state;
  }
  }
   
  //弹出方法 
  function showMessageBox(wTitle, content, pos, wWidth) {
  closeWindow();
  var bWidth = parseInt(document.documentElement.scrollWidth);
  var bHeight = parseInt(document.documentElement.scrollHeight);
  if (isIe) {
  setSelectState('hidden');
  }
  var back = document.createElement("div");
  back.id = "back";
  var styleStr = "top:0px;left:0px;position:absolute;background:#666;width:" + bWidth + "px;height:" + bHeight + "px;";
  styleStr += (isIe) ? "filter:alpha(opacity=0);" : "opacity:0;";
  back.style.cssText = styleStr;
  document.body.appendChild(back);
  showBackground(back, 50);
  }
  //让背景渐渐变暗 
  function showBackground(obj, endInt) {
  if (isIe) {
  obj.filters.alpha.opacity += 1;
  //var opacity = parseInt(obj.style.filter.replace("alpha(opacity = ", "").replace(")", "")) + 1;
  //obj.style.filter = "alpha(opacity = " + (opacity) + ")";
  if (obj.filters.alpha.opacity < endInt) {
  setTimeout(function () { showBackground(obj, endInt) }, 5);
  }
  } else {
  var al = parseFloat(obj.style.opacity); al += 0.01;
  obj.style.opacity = al;
  if (al < (endInt / 100))
  { setTimeout(function () { showBackground(obj, endInt) }, 5); }
  }
  }
  //关闭窗口 
  function closeWindow() {
  if (document.getElementById('back') != null) {
  document.getElementById('back').parentNode.removeChild(document.getElementById('back'));
  }
  if (document.getElementById('mesWindow') != null) {
  document.getElementById('mesWindow').parentNode.removeChild(document.getElementById('mesWindow'));
  }

&n