function logingroup()
{
  if(!document.getElementById("hidden_iframe"))
  {
   if(document.all) 
   {
   	var hidden_iframe=document.createElement("<IFRAME name='hidden_iframe'>");
   }
   else
   {
   var hidden_iframe=document.createElement("IFRAME");
   hidden_iframe.name="hidden_iframe";
   }
   hidden_iframe.id="hidden_iframe";
   hidden_iframe.style.display="none";
   hidden_iframe.src="about:blank";
   document.body.appendChild(hidden_iframe);
  }
  if(document.getElementById("group_user").value==""){
  alert("请输入登录名称");return false;
  }
  else if(document.getElementById("group_pass").value==""){
  alert("请输入登录密码");return false;
  }
  else {
  	document.getElementById("group_form").action="logingroup.php";
  	return true;
  }
}
function loginResult(html,jscode)
{
	if(html!=""){ document.getElementById("grouplogin").innerHTML=html; }
	if(jscode!=""){ window.eval(jscode); }
}
function CloseDialog()
{
	document.body.removeChild(document.getElementById("grouplogin"));
	document.body.removeChild(document.getElementById("maskdiv"));
}
function grplogin()
{
  	var maskdiv = document.createElement("DIV");
  	maskdiv.style.filter="alpha(opacity=30)";
    maskdiv.style.MozOpacity = 30/100;
    maskdiv.style.backgroundColor = "#000000";
  	maskdiv.style.width=document.body.scrollWidth;
  	maskdiv.style.height=document.body.scrollHeight;
  	maskdiv.style.zIndex="998";
  	maskdiv.style.position="absolute";
  	maskdiv.style.top="0";
  	maskdiv.style.left="0";
  	maskdiv.id="maskdiv";
    maskdiv.name="maskdiv";
  	document.body.appendChild(maskdiv);
	if( document.getElementById("grouplogin") == null ) {
		var grouplogin = document.createElement("DIV");
        grouplogin.id="grouplogin";
        grouplogin.name="grouplogin";
        grouplogin.style.position="absolute";
        grouplogin.style.width="380px";
        grouplogin.style.height="160px";
        grouplogin.style.zIndex="999";
		document.body.appendChild(grouplogin);
	}else{
		var grouplogin = document.getElementById("grouplogin");
	}
  grouplogin.style.left  = document.body.scrollLeft + (document.body.offsetWidth-parseInt(grouplogin.style.width))/2;
  grouplogin.style.top  = document.body.scrollTop + (document.body.offsetHeight-parseInt(grouplogin.style.height))/2;
  grouplogin.innerHTML = '<DIV class=dialog_css1><DIV class=dialog_css5><DIV class=dialog_css2><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0><TR><TD align=middle width=25 nowarp><IMG src="http://www.oukx.com/website/cms/dialog/dialog-ico.gif"></TD><TD class=dialog_css6 nowarp><span id="module_title" name="module_title">成员登录</span></TD><TD align=right width=0 nowarp><SPAN>&nbsp;<IMG title=关闭 style="CURSOR: default" onclick="javascript:CloseDialog()" src="http://www.oukx.com/website/cms/dialog/dialog-close.gif" twffan="done">&nbsp;</SPAN></TD></TR></TABLE></DIV><DIV style="WIDTH:100%;HEIGHT:140px;" class="dialog_css3"><form id="group_form" id="group_form" method="POST" target="hidden_iframe" onsubmit="javascript:return logingroup();"><DIV style="WIDTH:100%;" class="dialog_css4"><DIV align="center">成员名称:<INPUT type="text" id="group_user" style="WIDTH:200px;" name="group_user"></DIV><DIV align="center">登录密码:<INPUT type="password" id="group_pass" style="WIDTH:200px;" name="group_pass"></DIV><DIV align="center" style="padding-top:12px;"><INPUT id="mybtn1" type="submit" value="登录" name="mybtn1">&nbsp;&nbsp;<INPUT id="mycancel1" onclick="javascript:CloseDialog();return false;" type="button" value="取消" name="mycancel1"></DIV></DIV></form></DIV></DIV></DIV>';
}
function delCookie(name){
   var date = new Date();
   date.setTime(date.getTime() - 10000);
   document.cookie = name + "=a; expires=" + date.toGMTString();
}
function logoutgroup(web)
{
 var issure = window.confirm("确认退出成员登录状态？");
 if( issure == false ) { return false; }
 else {
 var date = new Date();
 date.setTime(date.getTime() - 10000);
 var expiretime =date.toGMTString();
 document.cookie = web+"_group_nick=; path=/; domain=oukx.com; expires="+expiretime;
 document.cookie = web+"_group_level=; path=/; domain=oukx.com; expires="+expiretime;
 document.cookie = web+"_group_lastlog=; path=/; domain=oukx.com; expires="+expiretime;             
 document.cookie = web+"_group_picid=; path=/; domain=oukx.com; expires="+expiretime;             
 window.location.reload();
 }
}