var classroomImage = document.images.Classroom;

var hide=false;

var popBox

function showPopup(popId, posX, posY)
{	
	curPop = popId;
	var popBox = getStyle(popId);
	popBox.left = classroomImage.offsetLeft+posX+'px';
	popBox.top = classroomImage.offsetTop+posY+'px';
	popBox.display = "block";
	hide = false;
}
	
function hidePopup(popId)
{	
	var popBox = getStyle(popId);
		popBox.display = "none";
	
}

function getStyle(divId)
{
	if(!document.all)
	{
		return document.getElementById(divId).style
	}
	else
	{
		return eval("document.all."+divId+".style");
	}
}