The following utility function is available for public use and ships with WebGauge's JavaScript. The function works with Ids of  gauge's elements and in fact is the connection between HTML elements with Id and DOM objects that represent the elements internally.

ig_getWebGaugeById

Parameters id String. Id of the gauge which object should be returned. Returns Object. DOM object of the gauge that corresponds to the id that is passed in. Null if no gauge with such an id is found.

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