i want help about Loadbalance Failover i have 2 isp

Hi all Master’s I Need Help about the Loadbalance I have 2 wan

wan1 192.168.1.1
Wan2 192.168.2.1
Lan 192.168.4.1

I am Useing Router board 750G here i am Loadbalanceing and then i am runing pc there is hotspot Service .. so i want to know when i restart my one modem like 192.168.1.1 or 192.168.2.1 so my Net is Going to REstart or Stop so how can do if my one modem is off so my net is working like Failover i want full help thanks

You can do it using route section, or via using scripts. Which ever suites your network requirements.
Try this.
http://aacable.wordpress.com/tag/mikrotik-fail-over/