function vote(id)
{
	if (id>0)
	{
		url = "vote.php?id="+id;
		window.open(url,'', 'menubar=no,status=no,toolbar=no,resizable=yes,width=350,height=300,scrollbars=no');
	}
}

function sendmsg(id)
{
	if (id>0)
	{
		url = "sendmsg.php?id="+id;
		window.open(url,'', 'menubar=no,status=no,toolbar=no,resizable=yes,width=400,height=370,scrollbars=no');
	}
}

function vote2(id)
{
	if (id>0)
	{
		url = "vote.php?id="+id;
		window.location=url;
	}
}

function resizePic(obj,wd,hg)
{
	var picWidth = obj.width;
	var picHeight = obj.height;	
	if (3*picWidth>4*picHeight)
	{	
		if(obj.width>wd)
		{
			obj.width = wd;
			obj.height = wd*(picHeight/picWidth);
		}
	}
	else
	{
		if (obj.height>hg)
		{
			obj.height = hg;
			obj.width = hg*(picWidth/picHeight);
		}
	}
}
function getCookie(name) {

  var search;

  search = name + "="
  offset = document.cookie.indexOf(search) 
  if (offset != -1) {
    offset += search.length ;
    end = document.cookie.indexOf(";", offset) ;
    if (end == -1)
      end = document.cookie.length;
    return document.cookie.substring(offset, end);
  }
  else
    return "";
}
function logout()
{
   window.open('logout.html','', 'menubar=no,status=no,toolbar=no,width=350,height=400,scrollbars=no');
}

function logon()
{
   window.open('userlogon.html','', 'menubar=no,status=no,toolbar=no,width=350,height=400,scrollbars=no');
}
function unipro_clearCookie(name ) 
{
	document.cookie=name+"=; " + "domain=sina.com.cn; path=/; ";
} 

function unipro_UniProLogout() 
{
	unipro_clearCookie("SINA-AVATAR");
	unipro_clearCookie("SINAPROC");
	unipro_clearCookie("SINAPRON");

	unipro_clearCookie("UNIPROU");

	return true;
}
//切换验证码
function ch_imgcode()
{
	var rid = Math.random();
	img1 = document.getElementById("img_code");
	img1.src = "img-auth.php?r_id="+rid;
}

//登陆
function ck_login(f)
{
	if (f.accounts.value == "")
	{
		alert("请输入用户名");
		f.accounts.focus();
		return false;
	}
	if (f.pwd.value == "")
	{
		alert("请输入密码");
		f.pwd.focus();
		return false;
	}
	if (f.img_num.value == "")
	{
		alert("请输入验证码");
		f.img_num.focus();
		return false;
	}
	return true;
}