//选中当前导航
function selectNav(id){
	document.getElementById(id).className = "selected";
}

function selectNav2(id){
	document.getElementById(id).className = "selected2";
}

function switchTag(tag,content)
{
//	alert(tag);
//	alert(content);
	for(i=1; i <6; i++)
	{
		if ("tag"+i==tag)
		{
			document.getElementById(tag).getElementsByTagName("a")[0].className="selectli"+1;
			document.getElementById(tag).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className="selectspan"+i;
		}else{
			document.getElementById("tag"+i).getElementsByTagName("a")[0].className="";
			document.getElementById("tag"+i).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className="";
		}
		if ("content"+i==content)
		{
			document.getElementById(content).className="";
		}else{
			document.getElementById("content"+i).className="hidecontent";
		}
		document.getElementById("content").className=content;
	}
}

// JavaScript Document

  function selectReplacement(obj) {
      obj.className += ' replaced';
      var ul = document.createElement('ul');
      ul.className = 'selectReplacement';
      var opts = obj.options;
      for (var i=0; i<opts.length; i++) {
        var selectedOpt;
        if (opts[i].selected) {
          selectedOpt = i;
          break;
        } else {
          selectedOpt = 0;
        }
      }
      for (var i=0; i<opts.length; i++) {
        var li = document.createElement('li');
        var txt = document.createTextNode(opts[i].text);
        li.appendChild(txt);
        li.selIndex = opts[i].index;
        li.selectID = obj.id;
        li.onclick = function() {
          selectMe(this);
        }
        if (i == selectedOpt) {
          li.className = 'selected';
          li.onclick = function() {
            this.parentNode.className += ' selectOpen';
            this.onclick = function() {
              selectMe(this);
            }
          }
        }
        if (window.attachEvent) {
          li.onmouseover = function() {
            this.className += ' hover';
          }
          li.onmouseout = function() {
            this.className = 
              this.className.replace(new RegExp(" hover\\b"), '');
          }
        }
        ul.appendChild(li);
      }
      obj.parentNode.insertBefore(ul,obj);
    }
    function selectMe(obj) {
      var lis = obj.parentNode.getElementsByTagName('li');
      for (var i=0; i<lis.length; i++) {
        if (lis[i] != obj) {
          lis[i].className='';
          lis[i].onclick = function() {
            selectMe(this);
          }
        } else {
          setVal(obj.selectID, obj.selIndex);
          obj.className='selected';
          obj.parentNode.className = 
            obj.parentNode.className.replace(new RegExp(" selectOpen\\b"), '');
          obj.onclick = function() {
            obj.parentNode.className += ' selectOpen';
            this.onclick = function() {
              selectMe(this);
            }
          }
        }
      }
    }
    function setVal(objID, selIndex) {
      var obj = document.getElementById(objID);
      obj.selectedIndex = selIndex;
    }
    function setForm() {
      var s = document.getElementsByTagName('select');
      for (var i=0; i<s.length; i++) {
        selectReplacement(s[i]);
      }
    }
    window.onload = function() {
      (document.all && !window.print) ? null : setForm();
    }