on the console i can see:
www.alcurex.com/:1 XMLHttpRequest cannot load https://alcurex.com/JS/exLib.js. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'https://www.alcurex.com' is therefore not allowed access.
www.alcurex.com/:1 XMLHttpRequest cannot load https://alcurex.com/exchange.html. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'https://www.alcurex.com' is therefore not allowed access.
www.alcurex.com/:1 XMLHttpRequest cannot load https://alcurex.com/JS/exChart.js. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'https://www.alcurex.com' is therefore not allowed access.
www.alcurex.com/:1 XMLHttpRequest cannot load https://alcurex.com/JS/exchange.js. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'https://www.alcurex.com' is therefore not allowed access.
www.alcurex.com/:1 XMLHttpRequest cannot load https://alcurex.com/JS/profile.js. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'https://www.alcurex.com' is therefore not allowed access.
i guess their server access control headers are misconfigured