function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function setCookie(c_name, value, expiredays) {
	var exdate = new Date();
	exdate.setDate(exdate.getDate() + expiredays);
	document.cookie = c_name + "=" + escape(value) + ((expiredays == null) ? "" : ";expires=" + exdate);
}

function getCookie(c_name) {
	if (document.cookie.length>0) {
	  c_start = document.cookie.indexOf(c_name + "=");
  	if (c_start != -1) { 
	    c_start = c_start + c_name.length+1 
  	  c_end = document.cookie.indexOf(";",c_start);
	    if (c_end==-1) c_end=document.cookie.length;
	    return unescape(document.cookie.substring(c_start,c_end));
    } 
  }
	return null;
}


var count_pictures = 5;
var scroll_speed = 2000;
var cookie_name = "scroll_image_index";
var images_src = new Array("1.jpg", "2.jpg", "3.jpg", "4.jpg", "5.jpg");

function StartScroll() {
	for(i=0; i<images_src.length; i++) MM_preloadImages(images_src[i]);
	setCookie(cookie_name, 1, null);
	setTimeout("ScrollImages()", scroll_speed);
}

function ScrollImages() {
	var images = new Array();
	var index = getCookie(cookie_name);
	images[0] = index;
	for(i=1; i<count_pictures; i++) {
		if(index < count_pictures) index++;
			else index = 1;
		images[i] = index;
	}
	setCookie(cookie_name, index, null);
	ShowImages(images);
	setTimeout("ScrollImages()", scroll_speed);
}

function ShowImages(images) {
	var name;
	if(images) for(i=0; i<images.length; i++) {
		name = 'scroll_image'+images[i];
		MM_swapImage(name,'',images_src[i],1);
	}
}