function $(s){return document.getElementById(s);}

//登录验证
function user_login_check()
{ 
	if (document.user_login.username.value == "" || document.user_login.username.value == "请输入您的E-mail地址")
	{
		$('login_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">请填写您的用户名!</font>';
		document.user_login.username.focus();
		return false;
	}

	if (document.user_login.password.value == "")
	{
		$('login_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">请填您的账号密码!</font>';
		document.user_login.password.focus();
		return false;
	}
	
	var xmlhttp = createXMLHttpRequest();
	ajax(xmlhttp,"POST","/user/login_1.php","&inname="+document.user_login.username.value+"&inpwd="+document.user_login.password.value+"&form_url="+document.user_login.form_url.value,plaster_userlogin_validate); 
	//显示正在登录
	$('login_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">登录验证身份中..</font>';
}


//登录结果显示
function plaster_userlogin_validate(request)
{	
		var return_words = request.responseText.split("|");  
		//alert(return_words)
   	if(return_words[0]=="ok") 
		{			
				$('login_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">登录成功，跳转中!</font>';
				//alert(return_words[1])
				location.href=return_words[1];
  	}
  	else //验证失败
  	{
  			$('login_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">'+return_words[0]+'</font>';
  			
					document.user_login.password.focus();
							
  	}   	
}
//登录结束----------------------------------------------------------------------------------------------------

//验证忘记密码
function user_forget_check()
{ 
	if (document.user_forget.username.value == "")
	{
		$('forget_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">请填写您注册时的用户名!</font>';
		document.user_forget.username.focus();
		return false;
	}
		if (document.user_forget.email.value == "")
	{
		$('forget_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">请填您的Email地址!</font>';
		document.user_forget.email.focus();
		return false;
	}
	
	if ((document.user_forget.email.value=="")||(document.user_forget.email.value.indexOf ("@")==-1)||(document.user_forget.email.value.indexOf (".")==-1))
	{
		$('forget_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">邮件地址格式不正确!</font>';
		document.user_forget.email.focus();
		return false;
	}
	star_ck_tijiao();
	document.user_forget.submit();
}

//验证注册
function user_reg_check()
{ 
	if (document.user_reg.username.value == "" || document.user_reg.username.value == "请输入您的用户名")
	{
		$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">请填写您的用户名!</font>';
		document.user_reg.username.focus();
		return false;
	}
	
		
	if (document.user_reg.username.value.length > 30)
	{
		$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">朋友，用户名太长了吧，请保持在30个字符以内！</font>';
		document.user_reg.username.focus();
		return false;
	}
	
		if (document.user_reg.password.value == "")
	{
		$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">请填写您的账号密码!</font>';
		document.user_reg.password.focus();
		return false;
	}
	if(document.user_reg.password.value.length < 4 )
	{
		$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">密码太短，最少不能低于4个字符</font>';
		document.user_reg.password.focus();
		return false;
	}
	if(document.user_reg.password.value.length > 30)
	{
		$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">朋友，密码太长了吧，请保持在30个字符以内！</font>';
		document.user_reg.password.focus();
		return false;
	}	
	if (document.user_reg.password2.value == "")
	{
		$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">请您再输入一次密码，以确认输入的密码是正确的!</font>';
		document.user_reg.password2.focus();
		return false;
	}
	if (document.user_reg.password.value != document.user_reg.password2.value)
	{
		$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">您两次输入的密码不同，请重新输入!</font>';
		document.user_reg.password.focus();
		return false;
	}	
	
	if (document.user_reg.worsted.value == "")
	{
		$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">请填写您的昵称(网名)!</font>';
		document.user_reg.worsted.focus();
		return false;
	}
	
	
	
	if (document.user_reg.email.value == "")
	{
		$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">请填写您的Email地址!</font>';
		document.user_reg.email.focus();
		return false;
	}
	
	if ((document.user_reg.email.value=="")||(document.user_reg.email.value.indexOf ("@")==-1)||(document.user_reg.email.value.indexOf (".")==-1))
	{
		$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">邮件地址格式不正确!</font>';
		document.user_reg.email.focus();
		return false;
	}
	
	if (document.user_reg.u_department.value == "请选择")
	{
		$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">请选择您所在的单位!</font>';
		document.user_reg.u_department.focus();
		return false;
	}
	
	if (document.user_reg.truename.value == "")
	{
		$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">请填写您的真实姓名!</font>';
		document.user_reg.truename.focus();
		return false;
	}
	
//	if (document.user_reg.u_class.value == "")
//	{
//		$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">请填写您的工号!</font>';
//		document.user_reg.u_class.focus();
//		return false;
//	}
	
	
	var xmlhttp = createXMLHttpRequest();
	var reg_post="&username="+document.user_reg.username.value;
	    reg_post+="&password="+document.user_reg.password.value;
	     reg_post+="&worsted="+document.user_reg.worsted.value;
	    reg_post+="&email="+document.user_reg.email.value;
	     reg_post+="&u_department="+document.user_reg.u_department.value;
	      reg_post+="&truename="+document.user_reg.truename.value;
	       reg_post+="&u_class="+document.user_reg.u_class.value;
	   	ajax(xmlhttp,"POST","/user/reg_1.php",reg_post,plaster_user_reg_validate); //注册验证
			//显示正在注册
			$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">注册中，请稍等..</font>';
			$('btn_sumit').style.display="none";
}
function plaster_user_reg_validate(request)
{	
		var return_words = request.responseText.split("|");  
		if(return_words[0]=="ok") //验证失败
		{			
			$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">注册成功!</font>';
			location.href=return_words[1];
  	}
  	else 
  	{
  		$('btn_sumit').style.display="";
  		$('reg_echo').innerHTML=request.responseText;
  		document.user_reg.username.focus();
  		//$('username').focus();
  		$('reg_echo').innerHTML='<img src="/images/tishi_small.gif">&nbsp;<font color="#ff0000">'+return_words[0]+'</font>';
  	}
}


function girl() 
{
	document.user_reg.sex.value=2;
}
function boy() 
{
	document.user_reg.sex.value=1;
}
/////------------------------------------------------------------------------



//显示内容
var obj_html=''
function show_html(obj,tophp)
{   
   		load_html_php(obj,tophp+'&nowtime=New Date()');
}
function load_html_php(obj,url)
{
	//alert(url);
  var xmlhttp = createXMLHttpRequest();
  ajax(xmlhttp,"POST",url,"",plaster_load_html_php); //验证
  obj_html=obj;
  
}
function plaster_load_html_php(request)
{
	 if(request.responseText=="false") //验证失败
		{
			$(obj_html).innerHTML='没有相关数据。';
		}
		else
		{
    	$(obj_html).innerHTML=request.responseText;
  	}
}

//返回顶部
var goto_top_type = -1;
var goto_top_itv = 0;

function goto_top_timer()
{
var y = goto_top_type == 1 ? document.documentElement.scrollTop : document.body.scrollTop;
var moveby = 15;

y -= Math.ceil(y * moveby / 100);
if (y < 0) {
y = 0;
}

if (goto_top_type == 1) {
document.documentElement.scrollTop = y;
}
else {
document.body.scrollTop = y;
}

if (y == 0) {
clearInterval(goto_top_itv);
goto_top_itv = 0;
}
}

function goto_top()
{
if (goto_top_itv == 0) {
if (document.documentElement && document.documentElement.scrollTop) {
goto_top_type = 1;
}
else if (document.body && document.body.scrollTop) {
goto_top_type = 2;
}
else {
goto_top_type = 0;
}

if (goto_top_type > 0) {
goto_top_itv = setInterval('goto_top_timer()', 5);
}
}
}


//开启提示
function star_ck_tijiao()
{
	
	//已提交
	var myAlert_tijiao = document.createElement("alert_tijiao"); 
	myAlert_tijiao.id="myAlert_tijiao";
	myAlert_tijiao.style.border = "1px solid #949494";
	myAlert_tijiao.style.background = "#ffffff";
	myAlert_tijiao.style.zIndex = "1000";
	myAlert_tijiao.style.position = "absolute";
	myAlert_tijiao.style.display = "none";
	
	str_tijiao_Html="<table width=\"263\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\n";
	str_tijiao_Html+="<table width=\"237\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\" >\n";
	str_tijiao_Html+="<tr>\n";
	str_tijiao_Html+="<td height=\"58\" align=\"center\" valign=\"middle\" bgcolor=\"#FFFFFF\"><table width=\"90%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n";
	str_tijiao_Html+="<tr>\n";
	str_tijiao_Html+="<td width=\"25%\" align=\"center\"><img src=\"../images/loader1.gif\" width=\"34\" height=\"34\" /></td>\n";
	str_tijiao_Html+="<td width=\"75%\" align=\"left\" style=\"color:#74a3d9\"><strong>已经提交，请稍等．．．</strong></td>\n";
	str_tijiao_Html+="</tr>\n";
	str_tijiao_Html+="</table></td>\n";
	str_tijiao_Html+="</tr>\n";
	str_tijiao_Html+="</table>\n";
	
	myAlert_tijiao.innerHTML = str_tijiao_Html;
	document.body.appendChild(myAlert_tijiao);


	document.documentElement.scrollTop=0;
	myAlert_tijiao.style.display = "block"; 
	myAlert_tijiao.style.position = "absolute"; 
	myAlert_tijiao.style.top = "50%"; 
	myAlert_tijiao.style.left = "50%"; 
	myAlert_tijiao.style.marginTop = "-"+58/2+"px";
	myAlert_tijiao.style.marginLeft = "-"+237/2+"px";
	myAlert_tijiao.style.width = 237+"px";
	myAlert_tijiao.style.height = 58+"px";
	mybg_tijiao = document.createElement("div"); 
	mybg_tijiao.setAttribute("id","mybg_tijiao"); 
	mybg_tijiao.style.background = "#000"; 
	mybg_tijiao.style.width = "100%"; 
	mybg_tijiao.style.height = "100%"; 
	mybg_tijiao.style.position = "absolute"; 
	mybg_tijiao.style.top = "0"; 
	mybg_tijiao.style.left = "0"; 
	mybg_tijiao.style.zIndex = "500"; 
	mybg_tijiao.style.opacity = "0.3"; 
	mybg_tijiao.style.filter = "Alpha(opacity=30)"; 
	document.body.appendChild(mybg_tijiao);
	document.body.style.overflow = "hidden"; 
}
