// JavaScript Document

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;
}
}
function mousePosition(ev)
{
if(ev.pageX || ev.pageY)
{
return {x:ev.pageX, y:ev.pageY};
}
return {
x:ev.clientX + document.body.scrollLeft - document.body.clientLeft,y:ev.clientY + document.body.scrollTop - document.body.clientTop
};
}
//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);
var mesW=document.createElement("div");
mesW.id="mesWindow";
mesW.className="mesWindow";
//mesW.innerHTML="<div class='mesWindowTop'><table width='100%' height='100%'><tr><td>"+wTitle+"</td><td style='width:1px;'><input type='button' onclick='closeWindow();' title='关闭窗口 ' class='close' value='关闭' /></td></tr></table></div><div class='mesWindowContent' id='mesWindowContent'>"+content+"</div><div class='mesWindowBottom'></div>";
mesW.innerHTML="<div class='email_box'><ul><li class='til'>获取最新优惠资讯　　　　　　　　　　　<a href='#' onclick='closeWindow();LR_HideInvite();' title='关闭窗口 ' class='close'>×</a></li><li class='con'>   尊敬的用户，为答谢您对艾瘦抗饥饿减肥茶的关注，请输入您的邮箱地址，我们将会不定期为您送上最新的减肥资讯及优惠信息！谢谢！</li><li class='input_email'><form id='form1' name='form1' method='post' action='' onsubmit='return false;'>输入邮件地址：<input type='text' name='user_email' id='user_email' /></li><li class='but_e'><input type='image' src='themes/thintea02/images/but_e.gif' onclick='add_email_list();' /></form></li></ul></div>";

//var v_top=(document.body.clientHeight-mesW.clientHeight)/2;
var v_top = 350;
v_top+=document.documentElement.scrollTop;
styleStr="top:"+(v_top-180)+"px;left:"+(document.body.clientWidth/2-mesW.clientWidth/2)+"px;position:absolute;width:300px;margin-left:-175px;left:50%;z-index:9999;";
mesW.style.cssText=styleStr;
document.body.appendChild(mesW);
}
//让背景渐渐变暗
function showBackground(obj,endInt)
{
if(isIe)
{
obj.filters.alpha.opacity+=5;
if(obj.filters.alpha.opacity<endInt)
{
setTimeout(function(){showBackground(obj,endInt)},5);
}
}else{
var al=parseFloat(obj.style.opacity);al+=0.05;
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'));
}
if(isIe){
setSelectState('');}
}
//测试弹出
function openMessageBox(ev)
{
var objPos = mousePosition(ev);
messContent="<div style='padding:20px 0 20px 0;text-align:center'>消息正文</div>";
showMessageBox('窗口标题',messContent,objPos,250);
}



function add_email_list()
{
  var email = document.getElementById('user_email');
  if (check_email(email.value))
  {
    Ajax.call('user.php?act=email_list&job=add&email=' + email.value, '', rep_add_email_list, 'GET', 'TEXT');
  }
  else
  { 
	 return false;
  }
}

function rep_add_email_list(text)
{
  alert(text);
  closeWindow();
}

function rep_cancel_email_list(text)
{
  alert(text);
}


function check_email(email)
{	
  if (Utils.isEmail(email))
  {
    return true;
  }
  else
  {
    alert('邮件地址非法！');
    return false;
  }
}