// JavaScript Document

var posX=0;
var endX=0;
var displayW=170;
var speed=10;
var timer;

function startmove(turn) {
	slideItem=document.getElementById("slide_works");
	if(!timer){
		if(turn=="right"){
			if(posX<=(slideItem.offsetWidth-displayW)*-1)
					  {
					  endX=(slideItem.offsetWidth-displayW)*-1;
					  } else {
						  endX=posX-displayW;
						  }
			} else {
				if(posX>=0) {
					endX=0;
					} else {
						endX=posX+displayW;
						}
				}
				timer=setInterval("move()",1);
		}
	}

function move() {
	posX+=(endX-posX)/speed;
	if(Math.abs(endX-posX)<=1) {
		document.getElementById("slide_works").style.left=endX+"px";
		posX=endX;
		clearInterval(timer);
		timer=undefined;
		} else {
			document.getElementById("slide_works").style.left=posX+"px";
			}
	}