//////////////////// rollover ////////////////////

function rollover() {
	
	if(document.getElementsByTagName) {
		
		var images = document.getElementsByTagName("img");

		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off."))
			{
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
				}
			}
		}
	}
	
}

if(window.addEventListener) {
window.addEventListener("load", rollover, false);
}
else if(window.attachEvent) {
window.attachEvent("onload", rollover);
}



//////////////////// scroll ////////////////////

var ss = {
  fixAllLinks: function() {

    var allLinks = document.getElementsByTagName('a');

    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)) {

        ss.addEvent(lnk,'click',ss.smoothScroll);
		
      }
    }
  },

  smoothScroll: function(e) {

    if (window.event) {
		
      target = window.event.srcElement;
	  
    } else if (e) {
		
      target = e.target;
	  
    } else return;

    if (target.nodeName.toLowerCase() != 'a') {
		
      target = target.parentNode;
	  
    }
  
    if (target.nodeName.toLowerCase() != 'a') return;
  
    anchor = target.hash.substr(1);

    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 (!destinationLink) return true;
  
    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;
	  
    }
  
    clearInterval(ss.INTERVAL);
  
    cypos = ss.getCurrentYPos();
  
    ss_stepsize = parseInt((desty-cypos)/ss.STEPS);
    ss.INTERVAL = setInterval('ss.scrollWindow('+ss_stepsize+','+desty+',"'+anchor+'")',10);
  
    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)) {

      window.scrollTo(0,dest);

      clearInterval(ss.INTERVAL);

      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) {

    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);