window.defaultStatus = "Noetzold & Noetzold";

// popup window 
function openPopup(name,a){
	//alert('width='+a.popupWidth+',height='+a.popupHeight+',left='+a.popupX+',top='+a.popupY+',screenX='+a.popupX+',screenY='+a.popupY+a.attrib);
 	popupWin = window.open(a.href,name,'width='+a.popupWidth+',height='+a.popupHeight+',left='+a.popupX+',top='+a.popupY+',screenX='+a.popupX+',screenY='+a.popupY+a.attrib);
	popupWin.focus();
}

function popupWindows(){
	if(!document.getElementsByTagName){return}
	var scrW=screen.availWidth;
	var scrH=screen.availHeight;
	var anchors=document.getElementsByTagName("a");
	for(var i=0;i<anchors.length;i++){
		var anchor=anchors[i];
		var relIndex=anchor.rel;
		if(relIndex){
			var relSplit=relIndex.split("|");
			if(relSplit[0]=="external"){
				anchor.target="_blank";
				anchor.className="external";
				anchor.title="Open in new window: "+anchor.href
			} else if(relSplit[0]=="popup"){
				anchor.className="popup";
				anchor.title="Open in popup window";
				if(relSplit[3]>scrW) anchor.popupWidth=scrW-40;
				else anchor.popupWidth=relSplit[3];
				if(relSplit[4]>scrH) anchor.popupHeight=scrH-80;
				else anchor.popupHeight=relSplit[4];
				if(relSplit[1]==-1) anchor.popupX=(scrW-anchor.popupWidth)*.5;
				else anchor.popupX=relSplit[1];
				if(relSplit[2]==-1) anchor.popupY=(scrH-anchor.popupHeight)*.5;
				else anchor.popupY=relSplit[2];
				anchor.attrib='';
				if(relIndex.indexOf('resizable')>-1) anchor.attrib+=',resizable';
				if(relIndex.indexOf('scrollbars')>-1) anchor.attrib+=',scrollbars';
				if(relIndex.indexOf('status')>-1) anchor.attrib+=',status';
				if(relIndex.indexOf('menubar')>-1) anchor.attrib+=',menubar';
				if(relIndex.indexOf('location')>-1) anchor.attrib+=',location';
				if(relIndex.indexOf('toolbar')>-1) anchor.attrib+=',toolbar';
				anchor.onclick=function(){
					openPopup("xxxx",anchor);
					return false;
				};
			}
		}
	}
}
addLoadListener(popupWindows);

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();}
		}
	}
}

// smooth scrolling
function smoothScroll(e) {
	// get rid of the url, we just want the anchor/id
	if (e.charAt(0) != '#')
	{
		i = e.lastIndexOf('#');
		e = e.substr(i,99);
	}

  // strip off the hash (first character)
	anchor = e.substr(1);

	if (anchor != 'top')
	{
		// Find the ID corresponding to this href
	   // Now loop all tags until we find one with that name
		var allLinks = document.getElementsByTagName('h2');
		var destinationLink = null;
		for (var i=0; i<allLinks.length; i++)
		{
			var lnk = allLinks[i];
			if (lnk.id && (lnk.id == anchor))
			{
				destinationLink = lnk;
				break;
			}
		}

		// alert(destinationLink.id);
  
		// If we didn't find a destination, give up and let the browser do its thing
		if (!destinationLink)
		{
		  	return true;
		}
	  
		// Find the destination's position
		var destx = destinationLink.offsetLeft; 
		var desty = destinationLink.offsetTop;
		var thisNode = destinationLink;
		while (thisNode.offsetParent && (thisNode.offsetParent != document.body))
		{
			thisNode = thisNode.offsetParent;
			destx += thisNode.offsetLeft;
			desty += thisNode.offsetTop;
		}
	}
	else
	{
		destx = 0;
		desty = 0;
	}
  
	// Stop any current scrolling
	clearInterval(ss_INTERVAL);

	cypos = ss_getCurrentYPos();
  
	ss_stepsize = parseInt((desty-cypos)/ss_STEPS);

	// function call with easing out effect
	ss_INTERVAL = setInterval('ss_scrollWindow('+cypos+','+desty+',"'+anchor+'")',20);

	// And stop the actual click happening
	if (window.event)
	{
		window.event.cancelBubble = true;
		window.event.returnValue = false;
	}
	if (e && e.preventDefault && e.stopPropagation)
	{
		e.preventDefault();
		e.stopPropagation();
	}
}

var idx = 0;
function ss_scrollWindow(srcy,desty,anchor)
{
	window.scrollTo(0, srcy+Math.round(Math.sin(((idx++)/ss_STEPS)*0.5*Math.PI)*(desty-srcy)));
	if (idx == ss_STEPS)
	{
		window.scrollTo(0,desty);
		clearInterval(ss_INTERVAL);
		location.hash = anchor;
		idx = 0;
	}
}

function ss_getCurrentYPos()
{
	if (document.body && document.body.scrollTop)
		return document.body.scrollTop;
	if (document.documentElement && document.documentElement.scrollTop)
		return document.documentElement.scrollTop;
	if (window.pageYOffset)
		return window.pageYOffset;
	return 0;
}
var ss_INTERVAL;
var ss_STEPS = 25;


// Netscape Hack
if (navigator.userAgent.indexOf("Netscape") != -1)	document.write('<style type="text/css">#gototop {display: none;}</style>')

// Firefox 1.0.6 Hack
if (navigator.userAgent.indexOf("Firefox") != -1)
	if (navigator.userAgent.indexOf("1.0.6") != -1)
		document.write('<style type="text/css">#gototop {display: none;}</style>')

//smooth scrolling
var ss = {
  fixAllLinks: function() {
    // Get a list of all links in the page
    var allLinks = document.getElementsByTagName('a');
    // Walk through the list
    for (var i=0;i<allLinks.length;i++) {
      var lnk = allLinks[i];
      if ((lnk.href && lnk.href.indexOf('#') != -1) && 
          ( (lnk.pathname == location.pathname) ||
	    ('/'+lnk.pathname == location.pathname) ) && 
          (lnk.search == location.search)) {
        // If the link is internal to the page (begins in #) then attach the smoothScroll function as an onclick event handler
        ss.addEvent(lnk,'click',ss.smoothScroll);
      }
    }
  },

  smoothScroll: function(e) {
    // This is an event handler; get the clicked on element, in a cross-browser fashion
    if (window.event) {
      target = window.event.srcElement;
    } else if (e) {
      target = e.target;
    } else return;

    // Make sure that the target is an element, not a text node within an element
    if (target.nodeName.toLowerCase() != 'a') {
      target = target.parentNode;
    }
  
    // Paranoia; check this is an A tag
    if (target.nodeName.toLowerCase() != 'a') return;
  
    // Find the <a name> tag corresponding to this href
    // First strip off the hash (first character)
    anchor = target.hash.substr(1);
    // Now loop all A tags until we find one with that name
    var allLinks = document.getElementsByTagName('a');
    var destinationLink = null;
    for (var i=0;i<allLinks.length;i++) {
      var lnk = allLinks[i];
      if (lnk.name && (lnk.name == anchor)) {
        destinationLink = lnk;
        break;
      }
    }
    if (!destinationLink) destinationLink = document.getElementById(anchor);

    // If we didn't find a destination, give up and let the browser do its thing
    if (!destinationLink) return true;
  
    // Find the destination's position
    var destx = destinationLink.offsetLeft; 
    var desty = destinationLink.offsetTop;
    var thisNode = destinationLink;
    while (thisNode.offsetParent && 
          (thisNode.offsetParent != document.body)) {
      thisNode = thisNode.offsetParent;
      destx += thisNode.offsetLeft;
      desty += thisNode.offsetTop;
    }
  
    // Stop any current scrolling
    clearInterval(ss.INTERVAL);
  
    cypos = ss.getCurrentYPos();
  
    ss_stepsize = parseInt((desty-cypos)/ss.STEPS);
    ss.INTERVAL = setInterval('ss.scrollWindow('+ss_stepsize+','+desty+',"'+anchor+'")',10);
  
    // And stop the actual click happening
    if (window.event) {
      window.event.cancelBubble = true;
      window.event.returnValue = false;
    }
    if (e && e.preventDefault && e.stopPropagation) {
      e.preventDefault();
      e.stopPropagation();
    }
  },

  scrollWindow: function(scramount,dest,anchor) {
    wascypos = ss.getCurrentYPos();
    isAbove = (wascypos < dest);
    window.scrollTo(0,wascypos + scramount);
    iscypos = ss.getCurrentYPos();
    isAboveNow = (iscypos < dest);
    if ((isAbove != isAboveNow) || (wascypos == iscypos)) {
      // if we've just scrolled past the destination, or
      // we haven't moved from the last scroll (i.e., we're at the
      // bottom of the page) then scroll exactly to the link
      window.scrollTo(0,dest);
      // cancel the repeating timer
      clearInterval(ss.INTERVAL);
      // and jump to the link directly so the URL's right
      location.hash = anchor;
    }
  },

  getCurrentYPos: function() {
    if (document.body && document.body.scrollTop)
      return document.body.scrollTop;
    if (document.documentElement && document.documentElement.scrollTop)
      return document.documentElement.scrollTop;
    if (window.pageYOffset)
      return window.pageYOffset;
    return 0;
  },

  addEvent: function(elm, evType, fn, useCapture) {
    // addEvent and removeEvent
    // cross-browser event handling for IE5+,  NS6 and Mozilla
    // By Scott Andrew
    if (elm.addEventListener){
      elm.addEventListener(evType, fn, useCapture);
      return true;
    } else if (elm.attachEvent){
      var r = elm.attachEvent("on"+evType, fn);
      return r;
    } else {
      alert("Handler could not be removed");
    }
  } 
}

ss.STEPS = 25;

ss.addEvent(window,"load",ss.fixAllLinks);