// JavaScript Document
function slideSwitch() {
    var $active = $('#slideshow IMG.active');

    if ( $active.length == 0 ) $active = $('#slideshow IMG:last');

    // use this to pull the images in the order they appear in the markup
    var $next =  $active.next().length ? $active.next()
        : $('#slideshow IMG:first');

    // uncomment the 3 lines below to pull the images in random order
    
    // var $sibs  = $active.siblings();
    // var rndNum = Math.floor(Math.random() * $sibs.length );
    // var $next  = $( $sibs[ rndNum ] );


    $active.addClass('last-active');

    $next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 1000, function() {
            $active.removeClass('active last-active');
        });
}

$(function() {
    setInterval( "slideSwitch()", 3500 );
});


function preventSelection(element){
	var preventSelection=false;
	function addHandler(element,event,handler){
		if(element.attachEvent) element.attachEvent('on'+event,handler);
		else
			if(element.addEventListener) element.addEventListener(event,handler,false);
			}
	
function removeSelection(){
	if(window.getSelection){window.getSelection().removeAllRanges();
	}
	else if(document.selection&&document.selection.clear)
	document.selection.clear();
	}
function killCtrlA(event){
	var event=event||window.event;
	var sender=event.target||event.srcElement;
	if(sender.tagName.match(/INPUT|TEXTAREA/i))return;
	var key=event.keyCode||event.which;
		if(event.ctrlKey&&key=='A'.charCodeAt(0)){
			removeSelection();
			if(event.preventDefault)event.preventDefault();
			else
			event.returnValue=false;
			}
		}
addHandler(element,'mousemove',function(){
	if(preventSelection)removeSelection();
	});
addHandler(element,'mousedown',function(event){
	var event=event||window.event;
	var sender=event.target||event.srcElement;preventSelection=!sender.tagName.match(/INPUT|TEXTAREA/i);
	});
addHandler(element,'mouseup',function(){
	if(preventSelection)removeSelection();
	preventSelection=false;});
addHandler(element,'keydown',killCtrlA);
addHandler(element,'keyup',killCtrlA);}
preventSelection(document);