function _login(arr){
	var str_success_html = '<h1><img src="http://blogfile.ifeng.com/uploadfiles/image/main_blog/icon_login.jpg"/></h1>';
			str_success_html +='<ul>';
			str_success_html +='<li class="after">' + arr[0] + '&nbsp;欢迎莅临凤凰博报！';
	        str_success_html +='<a href="' + arr[1] + '" target="_blank" class="Ablue">[进入我的博客]</a>';
			str_success_html +='<a href="/_login.php?action=logout" target="loginfrm" class="Ablack">[退出]</a></li>';
			str_success_html +='</ul>';
		top.document.getElementById("login_box").innerHTML = str_success_html;
		//top.document.getElementById("login_box").className = "login";
	}
function _logout(){
	var str_out_html = '<h1><img src="http://blogfile.ifeng.com/uploadfiles/image/main_blog/icon_login.jpg"/></h1>';		
		  str_out_html += '<form name="login" id="login" action="/_login.php" target="loginfrm" method="POST" enctype="multipart/form-data">';
		  str_out_html += ' <input type="hidden" name="action" value="login"/>';
	      str_out_html += '<ul>';
	      str_out_html += ' <li>用户名：';
	      str_out_html += ' <input type="text" name="username" id="username"  class="ip"/>';
	      str_out_html += ' </li>';
	      str_out_html += ' <li>密&nbsp;&nbsp;码：';
	      str_out_html += ' <input type="password" name="password" id="password"  class="ip"/>';
	      str_out_html += '</li>';
	      str_out_html += ' </ul>';
	      str_out_html += ' <span>';
	      str_out_html += ' <input type="image" name="login_button" id="login_button" src="http://blogfile.ifeng.com/uploadfiles/image/main_blog/login.jpg" />';
	      str_out_html += ' <a href="javascript:void(0);" onclick="javascript:window.open(\'/user/register.php\');"><img type="image" name="reg_button" id="reg_button"  src="http://blogfile.ifeng.com/uploadfiles/image/main_blog/reg.jpg" /></a>';
	      str_out_html += ' </span>';
	      str_out_html += ' </form>';
		top.document.getElementById("login_box").innerHTML = str_out_html;
		//top.document.getElementById("login_box").className = "login";
	}
				top._logout();