/* ./js/popup.js */
/*
key functions form ./js/lib.js: getWidth(); getHeight(); getOffsetX(); getOffsetY();
*/
 
function popupShow(popupName, event){
	var div = document.getElementById(popupName);
	div.style.display = 'inline';
	div.style.top = event.clientY;
	div.style.left = event.clientX;
}
function popupHide(popupName){
	var div = document.getElementById(popupName);
	div.style.display = 'none';
}
function popup2Show(popupName){
	var div = document.getElementById(popupName);
	var height = getHeight();
	var width = getWidth();
	var offsetX = getOffsetX();
	var offsetY = getOffsetY();
	popHeight = div.style.height;
	popHeight = popHeight.substring(0, popHeight.length - 2);
	popWidth = div.style.width;
	popWidth = popWidth.substring(0, popWidth.length - 2);;
	var left = (width - popWidth)/2;
	var top = ((height - popHeight)/2 + offsetY);
	div.style.display = 'inline';
	div.style.top = top;
	div.style.left = left;
}
function popup2Hide(popupName){
	var div = document.getElementById(popupName);
	div.style.display = 'none';
}