function showPopup (element, left)
{
	document.getElementById(element).style['visibility'] = 'visible';
	document.getElementById(element).style['left'] = (250 + left) + 'px';
}

function hidePopup (element)
{
	document.getElementById(element).style['visibility'] = 'hidden';
}

function popupWindow(url) {
  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=no,width=650,height=700,screenX=50,screenY=100,top=50,left=100')
}

function popup ()
{
	popupWindow (currentPopup);	
}

function highlight (id)
{
	document.getElementById(id).style['margin'] = '0px';
	document.getElementById(id).style['border'] = '1px solid black';
}

function dehighlight (id)
{
	document.getElementById(id).style['border'] = 'none';
	document.getElementById(id).style['margin'] = '1px';
}