Louhike

            raph = Raphael([..]);
            chart = raph.g.linechart([..]);

            var labels = ["first variable", "second variable", "third variable"];
 	    chart.labels = raph.set();
 	    var x = 15; var h = 5;
 	    for( var i = 0; i < labels.length; ++i ) {
 	      var clr = chart.lines[i].attr("stroke");
 	      chart.labels.push(raph.set());
 	      chart.labels[i].push(raph.g["disc"](x + 5, h, 5)