var Header_message = function(message, width, callback){
		jQuery('#drop_down_message .message_text')
			.text(message);
		jQuery('#drop_down_message').css({
			width: width + 'px',
			display: 'block'
		});
		
		setTimeout(function(){
			jQuery('#drop_down_message').css('display', 'none');
			if(callback != null)
				callback();
		}, 5000);	

		
}