function show_login_content()
			{
				document.getElementById('login_content').innerHTML='<form style="margin:0px;" method="post" onsubmit="return verify_user_connect();" ><input type="text" id="user_name" name="username" style="width:110px;background-color:red;border:0px;" value="Username" onclick="delete_username()" onblur="check_username()" /><input type="password" id="user_pwd" name="user_pwd" style="width:110px;margin-left:3px;background-color:red;border:0px;" value="password" onclick="delete_pwd();" onblur="check_pwd();" /><input type="submit" name="user_login" value="Login" style="font-weight:14px;padding:0;margin:0;margin-left:3px;color:red;font-weight:bold;background-color:black;border:0px;" title="Login" /></form>';
				//document.getElementById('login_content').innerHTML='<form style="margin:0px;" method="post" onsubmit="return verify_user_connect();" ><input type="text" id="user_name" name="username" style="width:110px;background-color:red;border:0px;" value="Username" onclick="delete_username()" onblur="check_username()" /><input type="password" id="user_pwd" name="user_pwd" style="width:110px;margin-left:3px;background-color:red;border:0px;" value="password" onfocus="if (document.getElementById("user_pwd").value=="password") document.getElementById("user_pwd").value=''" onblur="if(document.getElementById("user_pwd").value=='') { document.getElementById("user_pwd").value="password"; return false; }" /><input type="submit" name="user_login" value="Login" style="font-weight:14px;padding:0;margin:0;margin-left:3px;color:red;font-weight:bold;background-color:black;border:0px;" title="Login" /></form>';
				document.getElementById('login').innerHTML='<a onclick="alert(1);">Forgot password</a>';
			}
			function delete_username()
			{
				var user_name;
				user_name = document.getElementById('user_name').value;
				if(user_name == 'Username')
				{
					document.getElementById('user_name').value = '';
				}
			}
			function check_username()
			{
				var user_name;
				user_name = document.getElementById('user_name').value;
				if(user_name == '')
				{
					document.getElementById('user_name').value = 'Username';
				}
			}
			function delete_pwd()
			{
				var user_pwd;
				user_pwd = document.getElementById('user_pwd').value;
				if(user_pwd == 'password')
				{
					document.getElementById('user_pwd').value = '';
				}
			}
			function check_pwd()
			{
				var user_pwd;
				user_pwd = document.getElementById('user_pwd').value;
				if(user_pwd == '')
				{
					document.getElementById('user_pwd').value = 'password';
				}
			}
			function verify_user_connect()
			{
				var user_name;
				user_name = document.getElementById('user_name').value;
				
				var user_pwd;
				user_pwd = document.getElementById('user_pwd').value;
				
				if(user_name=='Username') { error("You must complete your username!"); return false; }
				
				else if(!user_name.match(/[a-zA-Z0-9]{6,15}/)) { error("Username must have least 6 alphanumeric characters!"); return false; }
				
				else if(user_pwd=='password') { error("You must complete your password!"); return false; }
				
				else if(user_pwd.length < 6) { error("Password must have least 6 characters!"); return false; }
				
				else { return true; }
			}
			function error(msg)
			{
				alert(msg);
			}