function check_wallpaper_comment() 
{
	 if ( wallpaper_comment_form.comment_content.value == "" || wallpaper_comment_form.comment_content.value == " "  )
			{
			alert(" ½Ð¶ñ¤W µû»y ! ");
			wallpaper_comment_form.comment_content.focus();
			}		
	 else  
	 	{
		return true;
		}
 return false;
}