// rollover functions

var over_p = false;

function getRealLeft(imgElem) {
	xPos = imgElem.offsetLeft;
	tempEl = imgElem.offsetParent;
  	while (tempEl != null) {
  		xPos += tempEl.offsetLeft;
  		tempEl = tempEl.offsetParent;
  	}
	return xPos;
}

function getRealTop(imgElem) {
	yPos = imgElem.offsetTop;
	tempEl = imgElem.offsetParent;
	while (tempEl != null) {
  		yPos += tempEl.offsetTop;
  		tempEl = tempEl.offsetParent;
  	}
	return yPos;
}

function show(divName, img) {
  var div = document.getElementById(divName);
  if (div.style.visibility != "visible") {
  	for (var i=1; i<8; i++) {
	  if( document.getElementById("img" + i) )
      document.getElementById("img" + i).style.visibility="hidden";
    }
  	div.style.visibility = "visible";
  	div.style.left = getRealLeft(img)-31;
  	div.style.top = getRealTop(img)+img.height+6;
  }
  over_p = true;
}

function hideAll() {
  for (var i=1; i<8; i++) {
    var divName = "img" + i;
    document.getElementById(divName).style.visibility="hidden";
  }
}

function timeHide(divName) {
  over_p = false;
  setTimeout("hide('" + divName + "')", 100);
}

function hide(divName) {
/*  evt = (evt) ? evt : ((window.event) ? window.event : null);
  var elem = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
  alert (divName);
*/
  if (over_p) {
    return;
  }
  var div = document.getElementById(divName);
  div.style.visibility="hidden";
}