addLoadListener(setRollovers);



var whichPict = "";			// this is to grab the name of the pict for the if statements in the xmlHTTPresponse

function setRollovers()  {
	if (!document.getElementsByTagName)  {
		return;
	}
	
	var allLinks = document.getElementsByTagName('a');
	for (var i = 0; i < allLinks.length; i++) {
		var currLink = allLinks[i];
		if (currLink.className && (" " + currLink.className + " ").indexOf(" rollover ") != -1)  {
			if (currLink.hasChildNodes && currLink.childNodes.length == 1 && currLink.childNodes[0].nodeName.toLowerCase() == 'img') {
				currLink.onmouseover = doRollover;
				currLink.onmouseout = restoreImage;			

				
				// preload images:
				myImage = "currRollImage_" + i;
				myImage = new Image();
				myImage.src = currLink.childNodes[0].src.replace(/(\.[^.]+)$/, '_over$1');;
			}
		}
	}
}		// end setRollovers

function doRollover(e)  {
	var currTarget = findTarget(e);
	if (!currTarget) return;
	var currImage = currTarget.childNodes[0];
	currImage.src = currImage.src.replace(/(\.[^.]+)$/, '_over$1');
}

function restoreImage(e) {
	var currTarget = findTarget(e);
	if (!currTarget) return;	
	var currImage = currTarget.childNodes[0];
	currImage.src = currImage.src.replace(/_over(\.[^.]+)$/, '$1');	
}



function findTarget(e) {
  var t; 

  if (window.event && window.event.srcElement) t = window.event.srcElement;
  else if (e && e.target) t = e.target;
  if (!t) return null;
  
  while (t != document.body && t.nodeName.toLowerCase() != 'a') t = t.parentNode;
  if (t.nodeName.toLowerCase() != 'a') return null;
  return t;
}




function addLoadListener(fn) {
  if (typeof window.addEventListener != 'undefined') {
    window.addEventListener('load', fn, false);
  } else if (typeof document.addEventListener != 'undefined') {
    document.addEventListener('load', fn, false);
  } else if (typeof window.attachEvent != 'undefined') {
    window.attachEvent('onload', fn);
  } else {
    var oldfn = window.onload;
    if (typeof window.onload != 'function') {
      window.onload = fn;
    } else {
      window.onload = function() {
        oldfn();
        fn();
      };
    }
  }
}