/* This function should be used for all image rollover effects */

	function changeImage(imageName,newImageSource) {
		if (document.images) {
			document.images[imageName].src = newImageSource;
		}
	}

// accessible popup functions, this will work with or without javascript enabled
// reference like this "<a href="popup.htm" onclick="popUp(this.href,'console',400,200);return false;" target="newWin" title="This link will pop open a new window">This is my link</a>"
	function popUp(strURL,strType,strHeight,strWidth,strWindow)
	{
	  var strOptions="";
	  if (strType=="console") {
	    strOptions="resizable,height=" + strHeight + ",width=" + strWidth;
	  }
	  if (strType=="fixed") {
	    strOptions="status,height=" + strHeight + ",width=" + strWidth;
	  }
	  if (strType=="elastic") {
	    strOptions="toolbar,menubar,scrollbars,resizable,location,height=" + strHeight + ",width=" + strWidth;
	  }
	  window.open(strURL, strWindow, strOptions);
	}

	// proper way to close a popup window, to be referenced in the popup window
	// if (window.opener) document.write('<strong><a href="#" onclick="self.close();">Close this window</a></strong>');