function displayHideBox(boxNumber)
{
	if(document.getElementById("LightBox"+boxNumber).style.display=="none") {
		document.getElementById("LightBox"+boxNumber).style.display="block";
		document.getElementById("grayBG").style.display="block";
	} else {
		document.getElementById("LightBox"+boxNumber).style.display="none";
		document.getElementById("grayBG").style.display="none";
	}
}