function check_member_register() 
{
	if ( member_form.member_login.value == ""  )
		{
		alert(" Please enter Login ! ");
		member_form.member_login.focus();
		}
	else if ( member_form.member_name_eng.value == ""  )
		{
		alert(" Please enter English Name ! ");
		member_form.member_name_eng.focus();
		}
		/*
	 else  if ( member_form.member_email.value == ""  ||  member_form.member_email.value.indexOf == -1 )
	  	{
		alert(" Please enter email !" );
		member_form.member_email.focus();
		}
	else  if (  member_form.member_email.value.indexOf('@',0) == -1 ||	member_form.member_email.value.indexOf('.',0) == -1  ) 
	 	{
		alert(" Please enter right format for email !" );
		member_form.member_email.focus();
		} 
		*/
	 else  
	 	{
		return true;
		}
 return false;
}




function check_member_insert() 
{
	if ( member_form.member_login.value == ""  )
		{
		alert(" Please enter Login ! ");
		member_form.member_login.focus();
		}
	else if ( member_form.member_password.value == ""  )
		{
		alert(" Please enter Password ! ");
		member_form.member_password.focus();
		}
	else if ( member_form.member_password_retype.value == ""  )
		{
		alert(" Please enter Password Retype ! ");
		member_form.member_password_retype.focus();
		}	
	else if ( member_form.member_password.value != member_form.member_password_retype.value  )
		{
		alert(" Password and Retyped Password are not the same ! ");
		member_form.member_password.focus();
		}	
	else if ( member_form.member_name_eng.value == ""  )
		{
		alert(" Please enter English Name ! ");
		member_form.member_name_eng.focus();
		}
		/*
	 else  if ( member_form.member_email.value == ""  ||  member_form.member_email.value.indexOf == -1 )
	  	{
		alert(" Please enter email !" );
		member_form.member_email.focus();
		}
	else  if (  member_form.member_email.value.indexOf('@',0) == -1 ||	member_form.member_email.value.indexOf('.',0) == -1  ) 
	 	{
		alert(" Please enter right format for email !" );
		member_form.member_email.focus();
		} 
		*/
	 else  
	 	{
		return true;
		}
 return false;
}







function check_admin_insert()  
{
	if ( admin_form.admin_login.value == ""  )
		{
		alert(" Please enter Login ! ");
		admin_form.admin_login.focus();
		}
	else if ( admin_form.admin_password.value == ""  )
		{
		alert(" Please enter Password ! ");
		admin_form.admin_password.focus();
		}
	else if ( admin_form.admin_name.value == ""  )
		{
		alert(" Please enter Name ! ");
		admin_form.admin_name.focus();
		}
		/*
	 else  if ( admin_form.admin_email.value == ""  ||  admin_form.admin_email.value.indexOf == -1 )
	  	{
		alert(" Please enter email !" );
		admin_form.admin_email.focus();
		}

	else  if (  admin_form.admin_email.value.indexOf('@',0) == -1 ||	admin_form.admin_email.value.indexOf('.',0) == -1  ) 
	 	{
		alert(" Please enter right format for email !" );
		admin_form.admin_email.focus();
		} 
		*/
	 else  
	 	{
		return true;
		}
 return false;
}











function check_member_data() 
{
	if ( member_form.member_name_eng.value == ""  )
		{
		alert(" Please enter Name ! ");
		member_form.member_name_eng.focus();
		}	
		/*
	else if ( member_form.member_email.value == ""  ||  member_form.member_email.value.indexOf == -1 )
	  	{
		alert(" Please enter email !" );
		member_form.member_email.focus();
		}
	else  if (  member_form.member_email.value.indexOf('@',0) == -1 ||	member_form.member_email.value.indexOf('.',0) == -1  ) 
	 	{
		alert(" Please enter right format for email !" );
		member_form.member_email.focus();
		} 
		*/
	 else  
	 	{
		return true;
		}
 return false;
}

function check_admin_data() 
{
	if ( admin_form.admin_name.value == ""  )
		{
		alert(" Please enter Name ! ");
		admin_form.admin_name.focus();
		}	
		/*
	else if ( admin_form.admin_email.value == ""  ||  admin_form.admin_email.value.indexOf == -1 )
	  	{
		alert(" Please enter email !" );
		admin_form.admin_email.focus();
		}
	else  if (  admin_form.admin_email.value.indexOf('@',0) == -1 ||	admin_form.admin_email.value.indexOf('.',0) == -1  ) 
	 	{
		alert(" Please enter right format for email !" );
		admin_form.admin_email.focus();
		} 
		*/
	 else  
	 	{
		return true;
		}
 return false;
}




function check_member_sn() 
{
	 if ( member_login_form.member_sn.value == ""  )
	  	{
		alert(" Please enter Serial Number (SN) !" );
		member_login_form.member_sn.focus();
		}
	 else  
	 	{
		return true;
		}
 return false;
}

function check_member_login() 
{
	 if ( member_login_form.member_login.value == ""  )
	  	{
		alert(" Please enter Login Name !" );
		member_login_form.member_login.focus();
		}
	 else  
	 	{
		return true;
		}
 return false;
}

function check_member_password() 
{
	 if ( member_password_form.member_password.value == ""  ||  member_password_form.member_password.value == " "  )
	  	{
		alert(" Please enter Password !" );
		member_password_form.member_password.focus();
		}
	 else  
	 	{
		return true;
		}
 return false;
}


function check_admin_password() 
{
	 if ( admin_password_form.admin_password.value == ""  ||  admin_password_form.admin_password.value == " "  )
	  	{
		alert(" Please enter Password !" );
		admin_password_form.admin_password.focus();
		}
	 else  
	 	{
		return true;
		}
 return false;
}















function check_event_data() 
{
	 if ( event_form.event_title.value == ""  ||  event_form.event_title.value == " "  )
	  	{
		alert(" Please enter Title !" );
		event_form.event_title.focus();
		}
	 else if ( event_form.message_detail.value == ""  ||  event_form.message_detail.value == " "  )
	  	{
		alert(" Please enter Content !" );
		event_form.message_detail.focus();
		}
	 else  
	 	{
		return true;
		}
 return false;
}

function check_message_data() 
{
	 if ( message_form.message_detail.value == ""  ||  message_form.message_detail.value == " "  )
	  	{
		alert(" Please enter Content !" );
		message_form.message_detail.focus();
		}
	 else  
	 	{
		return true;
		}
 return false;
}

function check_news_data() 
{
	 if ( news_form.news_detail.value == ""  ||  news_form.news_detail.value == " "  )
	  	{
		alert(" Please enter Content !" );
		news_form.news_detail.focus();
		}
	 else  
	 	{
		return true;
		}
 return false;
}

function check_guestbook_data() 
{
	 if ( guestbook_form.message_detail.value == ""  ||  guestbook_form.message_detail.value == " "  )
	  	{
		alert(" Please enter Content !" );
		guestbook_form.message_detail.focus();
		}
	 else if ( guestbook_form.message_creator_name.value == ""  ||  guestbook_form.message_creator_name.value == " "  )
	  	{
		alert(" Please enter Your Name !" );
		guestbook_form.message_creator_name.focus();
		}
     else if (document.guestbook_form.message_detail.value.length>250) 
	 {
          alert('Your Content should be lesser than 250 characters !');
          document.guestbook_form.message_detail.focus( );
          // return false;
     } 		
	 else  
	 {
		return true;
	  }
		
	 return false;
}





function check_keyword_search_data() 
{
	 if ( member_search_form.keyword.value == ""  ||  member_search_form.keyword.value == " "  )
	  	{
		alert(" Please enter Keyword !" );
		member_search_form.keyword.focus();
		}
	 else  
	 	{
		return true;
		}
 return false;
}