function swapWebCam(ele){
	//do not change video if it is the same one
	if(jQuery(ele).hasClass('webcam_active')) return;
	
	//swap the values
	jQuery("#main_webcam").html(jQuery(ele).attr('rel'));
	
	//remove all the active classes
	jQuery(".webcam_active").removeClass('webcam_active');
	
	//set the active class
	jQuery(ele).addClass('webcam_active');
}