ion(d,i) { 
				    	if(d.y===0) {
							return yscales[d.x].range()[0]
						}
				    	return yscales[d.x](d.y)
				    })
				    .interpolate("cardinal")
				    .tension(0.9)

			language.append("path")
					.attr("class","hover")
					.call(updatePaths)
			
			language.append("path")
					.call(updatePaths)

			var marker=language.append("g")
						.attr("class","markers")
						.selectAll("g.marker")
							.data(function(d){
								return options.columns.filter(function(col){
										return col!