I have put an iframe loading amcharts candle chart in my php website. Since Iam using codeigniter the chart file is located inside third party folder.

[![iframe before](https://i.stack.imgur.com/D9QST.png)](https://i.stack.imgur.com/D9QST.png)

As you can see there is text saying "JS chart by amCharts" on top left side of chart. but on clicking the credit link amchart.com home page opens in that iframe.

[![iframe after](https://i.stack.imgur.com/b9LKz.png)](https://i.stack.imgur.com/b9LKz.png)

Iam okay with linking back to their website but their website should not load within my view page. So I want to know how to open amcharts.com on new tab when user clicks on credit link in chart in my website.