switch(speed) {
     case 1:
          realSpeed = 2/3;
          break;
     case 2:
          realSpeed = 1/2;
          break;
     case 3:
          realSpeed = 1/3;
          break;
     case 4:
          realSpeed = 1/4;
          break;
     case 5:
          realSpeed = 1/5;
          break;
     case 6:
          realSpeed = 1/6;
          break;
     case 7:
          realSpeed = 1/8;
          break;
}


var mainMoveArray = makeFactArray();


var scrollArray = new Array();

function makeFactArray() {
     middle = Math.floor((1/7)*elementDim);
     if(middle%2 != elementDim%2) {
          middle++;
     }
     to_middle = (elementDim-middle)/2;
     to_middle_array = new Array (1,1,1,1,1,1,1,1,1);
     for(i=8;i>=0;i--) {
          to_middle_array[i] = Math.floor((realSpeed)*to_middle);
          to_middle -= Math.floor((realSpeed)*to_middle);
     }
     while(to_middle > 0) {
          for(i=8; i>=0;i--) {
               if(to_middle-- > 0) to_middle_array[i]++;
          }
     }
     to_end_array = to_middle_array.slice();
     to_end_array.reverse();
     to_middle_array[9] = middle;
     return to_middle_array.concat(to_end_array);
}
function init()
{
     var scrollers = getElementsByChildNodes('scrollContent');
     for(i=0;i<scrollers.length;i++)
     {
          var scr = scrollers[i];
          var sc = document.getElementById('scrollContent');
          var scrollerObj = new theScroller();
          
          if(orientation == "vertical") {
               if(sc.style.top != '') {
                    scrollerObj.offset = parseInt(sc.style.top);
               }
          }
          else {
               if(sc.style.left != '') {
                    scrollerObj.offset = parseInt(sc.style.left);
               }
          }
          scrollerObj.max = scrollers.length;
          scrollArray.push(scrollerObj);
     }
}
function theScroller () {
     var me = this;
     this.dir = 0;
     this.pos = 0;
     this.offset = 0;
     this.max = 8;
     this.view = oneStepView;
     this.cpos = 0;
     this.is_moving = false;
     this.interval = '';
     this.movearray = mainMoveArray;
}
function scrollMove(target)
{
     var scrollerObj = scrollArray[0];
     if(target == 1) target = moveStep;
     else if(target == -1) target = -moveStep;

     var request = (target * 2) + scrollerObj.cpos;
     if(request > scrollerObj.max && target > 0){
          target = scrollerObj.max - scrollerObj.cpos - target;
     }
     else if(scrollerObj.cpos + target < 0){
          var result = scrollerObj.cpos + target;
          target = target - result;
     }
     if(target == 0)
     return;
     scrollerObj.dir = target;
     if(  !scrollerObj.is_moving && ( (scrollerObj.dir > 0 && (scrollerObj.cpos + scrollerObj.view) < scrollerObj.max )  ||  (scrollerObj.dir < 0 && scrollerObj.cpos > 0) ) )
     {
          scrollerObj.is_moving = true;
          scrollerObj.cpos += scrollerObj.dir;
          scrollerObj.interval = setInterval(function () { makeScroll(scrollerObj) },1);
     }

     scrollTheImages(target, scrollerObj);
}
function makeScroll(scrollerObj)
{
     var sc = document.getElementById( 'scrollContent' );
     if(scrollerObj.pos == scrollerObj.movearray.length)
     {
          scrollerObj.pos = 0;
          clearInterval(scrollerObj.interval);
          scrollerObj.is_moving = false;
          return;
     }
     scrollerObj.offset += ((-1 * scrollerObj.dir) * scrollerObj.movearray[scrollerObj.pos]);
          
     if(orientation == "vertical") {
          sc.style.top = scrollerObj.offset + 'px';
     }
     else {
          sc.style.left = scrollerObj.offset + 'px';
     }
     scrollerObj.pos++;
}
function scrollTheImages(target, scrollerObj)
{
     var leftImg = document.getElementById('scrollImgLeft');
     var rightImg = document.getElementById('scrollImgRight');

     var leftDiv = document.getElementById('scrollLeft');
     var rightDiv = document.getElementById('scrollRight');

     if(target > 0){
          if((scrollerObj.cpos + scrollerObj.view) == scrollerObj.max){
               rightImg.src = url + 'scroll_dis_right.gif';
               rightDiv.style.cursor = 'arrow';
          }

          leftImg.src = url + 'scroll_act_left.gif';
          leftDiv.style.cursor = 'pointer';
     }
     else{

          if(scrollerObj.cpos == 0){
               leftImg.src = url + 'scroll_dis_left.gif';
               leftDiv.style.cursor = 'arrow';
          }

          rightImg.src = url + 'scroll_act_right.gif';
          rightDiv.style.cursor = 'pointer';
     }
}
function getElementsByChildNodes(prnt) {
     var parent = document.getElementById(prnt).childNodes;
     var elements = new Array();
     for (var i = 0; i < parent.length; ++i)
     elements.push(parent[i]);
     return elements;
}