var xmlhttp;

function createxmlhttp()
{
  if(window.ActiveXObject)
  {
    xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
    return xmlhttp;
  }
  else if(window.XMLHttpRequest)
  {
    xmlhttp=new XMLHttpRequest();
    return xmlhttp;
  }
}
function ChangeGroupLayer(tid,nid,lengthid)
{
	for(var i = 1;i<=lengthid;i++)
	{
		var CPage = document.getElementById("page"+tid+"_"+i);
		var CPageNav = document.getElementById("pageNav"+tid+"_"+i);	
		if(i==nid)
		{
			CPage.style.display="block";
			CPageNav.className="group_LeftHeader_Middle1";
		}
		else
		{
			CPage.style.display="none";
			CPageNav.className="group_LeftHeader_Middle";
		}
	}
}
function showsubmenu(sid)
{
whichEl = eval("submenu" + sid);
if (whichEl.style.display == "none")
{
  eval("submenu" + sid + ".style.display=\"\";");
}
else
{
 eval("submenu" +sid+ ".style.display=\"none\";");
}
}
function Previoussubmenu()
{ 
var i=document.location.href.lastIndexOf("ii");
var ii=document.location.href.substr(i+3);
if(ii!=-1)
 document.getElementById("submenu"+ ii).style.display='';
}
function prelosd(navid)
{   

for(var i=67;i<75;i++)
   {  
    if(d==i)
      {
        document.getElementById(i).style.display='';
        continue;
       }
       else
       document.getElementById(i).style.display='none';
   }
 }

function pageprelosd()
{
    var preindex=location.search.lastIndexOf("=");
    var preid=location.search.substring(preindex+1,location.search.length);
    
    for(var i=67;i<75;i++)
   {  
    if(preid==i)
      {
        document.getElementById(i).style.display='';
        continue;
       }
       else
       document.getElementById(i).style.display='none';
   }
}
function picture(navid,div)
{
    var theCheckBox=document.getElementById(navid);  
    if(theCheckBox.checked)
    document.getElementById("file").style.display='block';    
   else
    document.getElementById("file").style.display='none';
}
function pictures(navid,div)
{
    var theCheckBox=document.getElementById(navid);  
    if(theCheckBox.checked)
    document.getElementById(div.id).style.display='block';    
   else
    document.getElementById(div.id).style.display='none';
}
function IsEmail(str){
	var nLen;
	var nCnt1, nCnt2;
	nCnt1=0;
	nCnt2=0;
	nLen = str.length;
	for(var i=0; i<nLen; i++){
		if(str.charAt(i)==' '){return false;}
		if(str.charAt(i)=='\'' || str.charAt(i)=='\"'){return false;}
		if(str.charAt(i)=='<' || str.charAt(i)=='>' ){return false;}
		if(str.charAt(i)=='@'){nCnt1++;}
		if(str.charAt(i)=='.'){nCnt2++;}
	}
	if( nCnt1!=1 || nCnt2<1){return false;}else{return true;}
}

function checkform()
{   
    var Title=document.getElementsByName("GTitle").item(0);
	var Name=document.getElementsByName("GName").item(0);
	var Email=document.getElementsByName("GEmail").item(0);

	var Content=document.getElementsByName("GContent").item(0);
	var GTel=document.getElementsByName("GTel").item(0);
    if(Title.value==""){alert("请输入留言主题!");Title.focus();return false;}
	if(Name.value==""){alert("请输入您的姓名!");Name.focus();return false;}   
	 if(Email.value=="") {alert("请输入您的邮箱!");Email.focus();return false; }
	if(Email.value!=""){if (IsEmail(Email.value)==false){alert("请输入正确的邮件地址!");Email.focus();return false;}}
	if(GTel.value==""){alert("请输入电话!");GTel.focus();return false;}
	if (Content.value==""){alert("请输入留言内容!");Content.focus();return false;}
	 xmlhttp=createxmlhttp();
     var url="ajaxasch/wbway.ashx?Title="+encodeURIComponent(Title.value)+"&Name="+encodeURIComponent(Name.value)+"&Email="+encodeURIComponent(Email.value)+"&Content="+encodeURIComponent(Content.value)+"&GTel="+encodeURIComponent(GTel.value)+"&type=5";
     xmlhttp.open("GET",url,true);
     xmlhttp.onreadyStatechange=getsubmit;
     xmlhttp.send(null);

}
function getsubmit()
{
  
  if(xmlhttp.readyState==4)
  {
  
   if(xmlhttp.status==200)
      {   
        alert(xmlhttp.responseText);
      }
  }
}
function resetform()
{
    document.getElementsByName("GTitle").item(0).value=="";
	document.getElementsByName("GName").item(0).value=="";
	document.getElementsByName("GEmail").item(0).value=="";
	document.getElementsByName("GContent").item(0).value=="";
}