function showContent(id)
        {
        for (var i = 0;i < 3;i++)
        {
        var nav = document.getElementById("nav" + i);
        var articlecontent = document.getElementById("articlecontent" + i);
        if (i == id)
        {
        nav.className = 'mproon';
        articlecontent.style.display = "";
        }
        else
        {
        nav.className = 'mprooff';        
        articlecontent.style.display = "none";
        }
        }
        }
		function $(element) {
  return document.getElementById(element);
}
//切屏--是按钮，_v是内容平台，_h是内容库
function reg(str){
  var bt=$(str+"_b").getElementsByTagName("h2");
  for(var i=0;i<bt.length;i++){
    bt[i].subj=str;
    bt[i].pai=i;
    bt[i].style.cursor="pointer";
    bt[i].onclick=function(){
      $(this.subj+"_v").innerHTML=$(this.subj+"_h").getElementsByTagName("blockquote")[this.pai].innerHTML;
      for(var j=0;j<$(this.subj+"_b").getElementsByTagName("h2").length;j++){
        var _bt=$(this.subj+"_b").getElementsByTagName("h2")[j];
        var ison=j==this.pai;
        _bt.className=(ison?"":"h2bg");
      }
    }
  }
  $(str+"_h").className="none";
  $(str+"_v").innerHTML=$(str+"_h").getElementsByTagName("blockquote")[0].innerHTML;
}
 function sadxy(){
	  var sadxy=document.getElementById("sadxy");
	  var obj=sadxy.getElementsByTagName("li");
	 for(j=0;j<obj.length;j++){
	 obj[j].onmouseover="javascript: document.getElementById('sadxy').style.display=''";
	 obj[j].onmouseout="javascript:this.style.display='none';"
	 }
  }
  var email = document.getElementById('user_email');
function add_email_list()
{
  if (check_email())
  {
    Ajax.call('user.php?act=email_list&job=add&email=' + email.value, '', rep_add_email_list, 'GET', 'TEXT');
  }
}
function rep_add_email_list(text)
{
  alert(text);
}
function cancel_email_list()
{
  if (check_email())
  {
    Ajax.call('user.php?act=email_list&job=del&email=' + email.value, '', rep_cancel_email_list, 'GET', 'TEXT');
  }
}
function rep_cancel_email_list(text)
{
  alert(text);
}
function check_email()
{
  if (Utils.isEmail(email.value))
  {
    return true;
  }
  else
  {
    alert('{$lang.email_invalid}');
    return false;
  }
}
  function shownew(id)
        {
        for (var i = 0;i < 2;i++)
        {
        var nav = document.getElementById("navn" + i);
        var articlecontent1 = document.getElementById("newslist" + i);
        if (i == id)
        {
        nav.className = 'homeon';
        articlecontent1.style.display = "";
        }
        else
        {
        nav.className = 'homeoff';        
        articlecontent1.style.display = "none";
        }
        }
        }