function get_cookie ( cookie_name )
				{
				  var results = document.cookie.match ( cookie_name + '=(.*?)(;|$)' );
				
				  if ( results )
					return ( unescape ( results[1] ) );
				  else
					return null;
				}

			
			
			
			
			function set_cookie ( name, value, exp_y, exp_m, exp_d, path, domain, secure )
				{
				  var cookie_string = name + "=" + escape ( value );
				
				  if ( exp_y )
				  {
					var expires = new Date ( exp_y, exp_m, exp_d );
					cookie_string += "; expires=" + expires.toGMTString();
				  }
				
				  if ( path )
						cookie_string += "; path=" + escape ( path );
				
				  if ( domain )
						cookie_string += "; domain=" + escape ( domain );
				  
				  if ( secure )
						cookie_string += "; secure";
				  
				  document.cookie = cookie_string;
				}