function show19Line(_url,_open,_close){
	$(document).ready(function(){
		if ($('.line_19').attr("line") == "false") {
		jQuery.ajax({
		   url: _url+"19line.php",
		   data:"url="+_url,
		   dataType:"html",
		   type:"post",
		   success: function(msg){
			   $('.line_19').html(msg);
			   $('#lrc19line').html(_close).removeClass("on").addClass("off");
			   $('.line_19').attr("line","true");
			   $('.line_19').show();
			   }
			}); 
			return;
		}
		if ($('.line_19').attr("line") == "true") {
			$('#lrc19line').html(_open).removeClass("off").addClass("on");
			$('.line_19').attr("line","false");
			$('.line_19').empty().hide();
			return;
		}
	})
}