var slideSpeed = 0;


function startSlide(slideShowId, slideDir) {
	slideSpeed = slideDir;

	gallerySlide(slideShowId);
}


function releaseSlide() {
	slideSpeed = 0;
}


function gallerySlide(slideShowId) {
	imageGalleryObj = document.getElementById('images'+slideShowId);

	if(slideSpeed!=0) {
		var leftPos = imageGalleryObj.offsetLeft;

		leftPos = leftPos/1 + slideSpeed;

		var imageGalleryWidth = document.getElementById('galleryContainer'+slideShowId).offsetWidth - 80;
		var maxGalleryXPos = imageGalleryObj.offsetLeft; 		
		var minGalleryXPos = imageGalleryWidth - document.getElementById('slideEnd'+slideShowId).offsetLeft;
		
		if(leftPos>maxGalleryXPos && (leftPos > 50)){
			leftPos = maxGalleryXPos;
			slideSpeed = 0;
		}
		if(leftPos<minGalleryXPos){
			leftPos = minGalleryXPos;
			slideSpeed=0;
		}
		imageGalleryObj.style.left = leftPos + 'px';
		setTimeout('gallerySlide('+slideShowId+')',50);
	}
}