function mediaShow(showThis){
	var mediaObjects=document.getElementsByName("mediaObject");
	var numberObjects=document.getElementsByName("numberObject");
	var toShow;
	<!-- document.write(mediaObjects.length); //-->
	for(var i=0;i<mediaObjects.length;i++){
		mediaObjects[i].style.display="none";
		numberObjects[i].style.fontWeight="normal";

		if(mediaObjects[i].id == showThis){
			toShow = mediaObjects[i];
			toBold = numberObjects[i];
		}
	}

	<!-- var toShow=document.getElementById(showThis); //-->
	<!-- var toBold=document.getElementById("N"+showThis); //-->
	if( !toShow ){
		toShow = mediaObjects[0];
		toBold = numberObjects[0];
	}

	toShow.style.display="block";
	toBold.style.fontWeight="bold";
}