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function createFunctionWithTimeout(callback, opt_timeout){
	var called, timer;
	
	//if the function *isn't* called within the timeout, execute callback() anyway
	timer = setTimeout(function (){
			called = true;
			callback();
		}, opt_timeout || 1000);
	
	//if the function *is* called within the timeout, cancel the timer and execute callback()
	return function (){
		if(!called){
			clearTimeout(timer);
			callback();
		}
	}
}