// ******************************
// trapEnter: Traps the [enter] key press, and clicked a specified button
// Inputs:  btn - The button to 'click' when [enter] is trapped
// Returns: Nothing
// ******************************
function trapEnter(btn)
{
	if(event.keyCode==13)
	{
		event.returnValue=false;
		event.cancel=true;
		btn.click();
	}
}