//////////////////////////////////////////////////////////
//
//  File: global javascript file
//  Author: Craig Nelson - Classic Labs
//
  
    // main menu rollovers
    var menuHover = function() {
  	    var elements = $$('#nav li');
  	    
  	    elements.each(function(e) {
  	        e.onmouseover = function() {
  			    this.addClassName('hov');
  		    }
  		    e.onmouseout = function() {
  			    this.removeClassName('hov');
  		    }
  	    });
    } // menuHover()
    
    if (window.attachEvent) {
        window.attachEvent("onload", menuHover);
    }
    // --main menu rollovers

    // non-clickable and external links
    function setLinks(anchors) {
        anchors.each(function (e) {
            if (e.getAttribute('rel') == 'no-click') {
                e.onclick = function() {
                    return false;
                }
            }
            
            if (e.getAttribute("rel") == "external") {
                e.target = "_blank";
            }
        });
        
        return;
    } // setLinks()
    // --non-clickable and external links
  
    // slideshows
    function setSlideShow(slides) {
        var currentSlide = 0;
	    var nextSlide = 1;
	    var slideShow = function () {
	        if (slides.length === 0) { // does the current page have a slideshow?
	            return;
	        }
	        
	        Effect.Fade(slides[currentSlide], { duration: .5 });
            Effect.Appear(slides[nextSlide], { duration: .5 });
            currentSlide++;
            nextSlide++;
            
            if (nextSlide == slides.length) {
                nextSlide = 0;
            }
            
            if (currentSlide == slides.length) {
                currentSlide = 0;
            }
            
            setTimeout(function () {
                slideShow();
            }, 8000);
	    };
	            
	    return slideShow;
    } // setSlideShow()
	// --slideshows
	
	// events
    Event.observe(window, "load", function () {
        setLinks($$("a"));
    
        var slideShow = setSlideShow($$(".slideshow .slide"));
    
        setTimeout(function () {
            slideShow();
        }, 8000);
    }); // window load
    // --events