Help using videochat.tv on imac computer can anyone help

[goddessxena]

I have just got a imac and exchanged for pc ...i was told that i can still use justcam it can anyone tell me if can download justcam it like u can on a pc if not the using videochat.tv is only other otion to stream cam justcam it but keeps saying not connecting however it connects on my laptop which has the justcam it programme very strange can anyone help plzD