There is a fault on your cooker. Possibly one of the rings or the oven.
Try turning on one ring at a time , then the oven...see which part causes the electric to go off.
This will mean that you can use the rest of the cooker ok if you dont switch the faulty part on.
This means you can get the cooker fixed in the new year /
Paul, December 2009
you need to get somebody to look at it , it could the cooker, or be anywere along the line to the cooker ,get it check out ,,,