function log_submit() {
	var login_type = document.login_form.login_type.value;
	var user = document.login_form.login_UserName.value;
	var pwd = document.login_form.login_PassWord.value;
	function checkUserPass(){
		if (user == ""){
		alert("请填写用户名");
		document.login_form.login_UserName.focus();
		return false;
		}
		else if (pwd == ""){
		alert("请填写密码");
		document.login_form.login_PassWord.focus();
		return false;
		}
		else {
		return true;
		}
	}
	if (checkUserPass()){
		if (login_type==1) {
			document.getElementById("login_UserName").name = 'pwtypev';
			document.getElementById("login_PassWord").name = 'pwpwd';

			var f = document.login_form;
            create_input(f,"hidden","step","2");
			create_input(f,"hidden","pwtypen","username");
			create_input(f,"hidden","cktime","0");
			create_input(f,"hidden","jumpurl","http://blog.voc.com.cn/index.php");
			document.login_form.action = "http://blog.voc.com.cn/login.php";
			document.login_form.submit();
		}
		else if (login_type==2) {
			document.getElementById("login_UserName").name = 'username';
			document.getElementById("login_PassWord").name = 'password';
			document.login_form.action = "http://bbs.voc.com.cn/logging.php?action=login&";
			document.login_form.submit();
		}
		else if (login_type==3) {
			document.getElementById("login_UserName").name = 'fusername';
			document.getElementById("login_PassWord").name = 'fpassword';
			document.login_form.action = "http://xuntong.voc.com.cn/mainframe1.asp";
			document.login_form.submit();
		}
	}
	return false;
}

function create_input(o,type,name,value){
   var obj = document.createElement("INPUT");
   obj.name = name;
   obj.type = type;
   obj.value = value;
   o.appendChild(obj);
}

//新的轮换广告
function bannerADturnNew(sta,aid){
	if(sta!=-1)eval('bannerADstat'+aid+' = '+sta);
	var CurrT = eval('bannerADstat'+aid);
	var curraid = eval("lun"+aid);
	
	document.getElementById('lundiv'+aid+'_'+CurrT).style.display="";	
	for (sta_other=0;sta_other<=curraid.length-1;sta_other++){
	
		if (sta_other != CurrT){
			document.getElementById('lundiv'+aid+'_'+sta_other).style.display="none";	
		}
	}

	if (eval('bannerADstat'+aid+' == lun'+aid+'.length-1')){
		eval('bannerADstat'+aid+' =0');
	}else{
		eval('bannerADstat'+aid+'++');
	}
	setTimeout(_bannerADturnNew(-1,aid),eval('luntime'+aid+'['+CurrT+']'));

}

function _bannerADturnNew(_sta,_aid){
	return function(){
	   bannerADturnNew(_sta,_aid);
	}
}