Hide Login Problems (Urgent Case)

i having a hide login problem, when i sign in and click the button, how do i hide the the customer login which show on the attachment?? please help

Code:

<h2>Customer Login</h2>
			<h2>%%GLOBAL_ExistingUserHeading%%</h2>
           
			<form action="%%GLOBAL_ShopPath%%/login.php?action=check_login" method="post" onsubmit="return check_login_form()">
				<div class="FormContainer HorizontalFormContainer NarrowFormContainer">
					<p style="display: %%GLOBAL_HideLoginMessage%%" class="%%GLOBAL_MessageClass%%">
						%%GLOBAL_LoginMessage%%
					</p>
						%%LNG_EmailAddress%%:
						<input type="text" class="Textbox Field150 InitialFocus" name="login_email" id="login_email" />
						%%LNG_Password%%:
						<input type="password" class="Textbox Field150" name="login_pass" id="login_pass" />					
					    <class="Submit">
						<input id="LoginButton" type="submit" value="%%LNG_LoginWord%%" style="padding:2px 10px 2px 10px" />
                        
						<a href="%%GLOBAL_ShopPath%%/login.php?action=reset_password" >%%LNG_ForgotYourPassword%%</a><br />
                        <a href="%%GLOBAL_ShopPath%%/login.php?action=create_account" >%%LNG_CreateAccount%%</a>