var thumbsPerPage = 1;
var totalThumbs = 0;
var thumbWidth = 70;
var currentThumb = 0;
var animSpeed	= 300;


function initScrollPosition() {
	var distance = thumbWidth * (currentThumb) ;
	$('#workThumbList').css('left', "-" + distance + "px");
}			

function currentBottomProject() {
	return currentThumb + thumbsPerPage;
}



function canScrollRight() {
	return (currentThumb > 0);
}			

function canScrollLeft() {
	return (currentBottomProject() < totalThumbs);
}			

function scrollRight() {
	var distance = thumbWidth * (currentThumb + 1);

	$("#workThumbList").animate({
		top: 0,
		left: -distance
	}, animSpeed );

	currentThumb += 1;					
}			

function scrollLeft() {
	var distance = thumbWidth * (currentThumb - 1);

	$("#workThumbList").animate({ 
		top: 0,
		left: -distance
	}, animSpeed );

	currentThumb -= 1;
}