function mran(ma,mi)

{return(Math.round(Math.random()*(ma-mi))+mi)}

 

var Slideshow = Class.create({

initialize: function(delay, totalElmt, elmtName) {

this.delay = delay;

this.totalElmt = totalElmt;

this.paused = 0;

this.arrSlideElmt = [totalElmt];

//this.curElmtNum = mran(totalElmt, 1); //randomize first element
this.curElmtNum = 1; //randomize first element

//preload all elements into array and preload all images within element

for (i = 1; i <= totalElmt; i++) {

	this.arrSlideElmt[i] = $(elmtName + i);
	
	this.arrSlideElmt[i].observe('mouseover', function() { this.paused = 1; }.bind(this)); //pause on mouseover
	
	this.arrSlideElmt[i].observe('mouseout', function() { this.paused = 0; }.bind(this)); //resume on mouseout
	
	$$(this.arrSlideElmt[i].img).each(function(img) {
	
	img = new Image();
	
	});

}

$$('img.arrow').each(function(node) { //looks for all arrows (pointing right) and handles click event

	node.observe('click', function(s){
	
	this.arrSlideElmt[this.curElmtNum].setStyle({
	
		display: 'none'
	
	});

	this.checkSlide();
	
	this.arrSlideElmt[this.curElmtNum].setStyle({
	
		display: 'block'
	
	});



	this.executor.stop();
	
}.bind(this));
	
}.bind(this));

},



start: function() {

//show first element without effect

/*this.arrSlideElmt[this.curElmtNum].setStyle({

display: 'block'

});*/

new Effect.Appear(this.arrSlideElmt[this.curElmtNum]);


this.executor = new PeriodicalExecuter(function() {

this.next(); //start slidehow

}.bind(this), this.delay);

},

 

next: function(){

if (!this.paused) {

this.update();

}

},

update: function() {

new Effect.Fade(this.arrSlideElmt[this.curElmtNum],{afterFinish:function(){

this.checkSlide();

new Effect.Appear(this.arrSlideElmt[this.curElmtNum]);

}.bind(this)});

},

checkSlide: function() {

if (this.curElmtNum == this.totalElmt) { this.curElmtNum = 1; }

else { this.curElmtNum ++; }

}

});

function getNextSlide(){	
	slideshow.next();	
}

function getPrevSlide(){
	if (slideshow.curElmtNum == 1) { 
		slideshow.curElmtNum = slideshow.totalElmt; 
	}else{ 
		slideshow.curElmtNum --; 
	}
	slideshow.update();	
}

window.onload = function() {

// setTimeout("fadeOut(" + random + ")", 10000);

totalFeatures = $('rotateFeature').childElements().size();

slideshow = new Slideshow(4, totalFeatures, "rotate");

slideshow.start();

}