function getposOffset(overlay, offsettype){
	var totaloffset=(offsettype=="left")? overlay.offsetLeft : overlay.offsetTop;
	var parentEl=overlay.offsetParent;
	while (parentEl!=null){
	totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
	parentEl=parentEl.offsetParent;
}
	return totaloffset;
}

function overlay(curobj, subobjstr, opt_position, xoffSet, yOffSet){
if (document.getElementById){
	var subobj=document.getElementById(subobjstr)
	subobj.style.display="block";
	var xpos=getposOffset(curobj, "left")+xoffSet;
	var ypos=getposOffset(curobj, "top")+yOffSet;
	subobj.style.left=xpos+"px"
	subobj.style.top=ypos+"px"
	return false
}
else
	return true
}
function overlayPhoto(curobj, subobjstr, opt_position, xoffSet, yOffSet){
if (document.getElementById){
	var subobj=document.getElementById(subobjstr)
	subobj.style.display="block";
	var xpos=getposOffset(curobj, "left")+xoffSet;
	var objForY = document.getElementById("dM");
	var ypos=getposOffset(objForY, "top")+yOffSet;
	subobj.style.left=xpos+"px"
	subobj.style.top=ypos+"px"
	return false
}
else
	return true
}

function overlayclose(subobj){
	document.getElementById(subobj).style.display="none";
}
function overlayclose2(){
	document.getElementById("dzOuter").style.display="none";
}

/****************/

function containsDOM (container, containee) {
  var isParent = false;
  do {
    if ((isParent = container == containee))
      break;
    containee = containee.parentNode;
  }
  while (containee != null);
  return isParent;
}

function checkMouseEnter (element, evt) {
  if (element.contains && evt.fromElement) {
    return !element.contains(evt.fromElement);
  }
  else if (evt.relatedTarget) {
    return !containsDOM(element, evt.relatedTarget);
  }
}

function checkMouseLeave (element, evt) {
  if (element.contains && evt.toElement) {
    return !element.contains(evt.toElement);
  }
  else if (evt.relatedTarget) {
    return !containsDOM(element, evt.relatedTarget);
  }
}