// JavaScript Document

var imageGalleryWidth = false;
var imageGalleryObj = false;
var maxGalleryXPos = false;
var slideSpeed = 0;
function startSlide(e){
	if(document.all)e = event;
	var id = this.id;
	if(this.id=='aroRight'){
		slideSpeedMultiply = Math.floor((e.clientX - this.offsetLeft) / 5);
		slideSpeed = -1*slideSpeedMultiply;
		slideSpeed = Math.max(-5,slideSpeed);
	}else{			
		slideSpeed = 1*slideSpeedMultiply;
		slideSpeed = Math.min(5,slideSpeed);
		if(slideSpeed<0)slideSpeed=5;
	}
}
function releaseSlide(){
	var id = this.id;
	slideSpeed=0;
}
function gallerySlide(){
	if(slideSpeed!=0){
		var leftPos = imageGalleryObj.offsetLeft;
		leftPos = leftPos/1 + slideSpeed;
		if(leftPos>maxGalleryXPos){
			leftPos = maxGalleryXPos;
			slideSpeed = 0;
		}
		if(leftPos<minGalleryXPos){
			leftPos = minGalleryXPos;
			slideSpeed=0;
		}
		imageGalleryObj.style.left = leftPos + 'px';
		xPos = leftPos;
	}
	setTimeout('gallerySlide()',10);
}
function initSlideShow(){
	if(document.getElementById('slideEnd').offsetLeft>190){
		document.getElementById('aroLeft').onmousemove = startSlide;
		document.getElementById('aroLeft').onmouseout = releaseSlide;
		document.getElementById('aroRight').onmousemove = startSlide;
		document.getElementById('aroRight').onmouseout = releaseSlide;
		imageGalleryObj = document.getElementById('subFolders');
		imageGalleryWidth = document.getElementById('galleryContainer').offsetWidth -20;
		maxGalleryXPos = imageGalleryObj.offsetLeft; 
		minGalleryXPos = imageGalleryWidth - document.getElementById('slideEnd').offsetLeft;
		gallerySlide();
	}
	//alert(document.getElementById('slideEnd').offsetLeft);
	
}
window.onload = initSlideShow;