// JavaScript Document

var imagearray = ['images/banner_intro_img1.jpg','images/banner_intro_img2.png','images/banner_intro_img3.jpg','images/banner_intro_img3.png','images/intro_banner_img1.jpg','images/intro_banner_img2.jpg','images/intropage_img.jpg'];

    var counter = 0;


var ixml = function(id){return document.getElementById(id);}

function imageSwitcher(){
   prevImage = ixml('prev');
   currentImage = ixml('current');
   nextImage = ixml('next');
   
   if(counter > imagearray.length-1){ counter = 0 ;}
   
   currentImage.src = imagearray[counter];
   currentImage.width = '700px';
   currentImage.height = '270px';
    
	if(counter == 0){
		
	 prevImage.src = imagearray[imagearray.length-1];
	 nextImage.src = imagearray[counter+1];
	 
	} else if (counter > 0){
		
		prevImage.src = imagearray[counter-1];
		 if (counter == imagearray.length-1){
		 nextImage.src = imagearray[0];
		 } else { nextImage.src = imagearray[counter+1];}
		
		}
		
		//alert(counter);
		counter++;
		//setTimeout
}

setInterval('imageSwitcher()',3000);
//window.onload = imageSwitcher;