function GetRandom(start,end) 
{ 
    var range = end - start + 1; 
    var result = start + Math.floor(Math.random()*range); 
    return result;
}

function LoadRandom(the_div, images) 
{ 
  result = GetRandom(1,images);
  var image = new Array();
  image[0] = new Image();
  image[0].src = "images/" + the_div + "_" + result + ".jpg";
  var the_style = getStyleObject(the_div);
  if (the_style != false)
  {
    the_style.background = "#ECE2C4 url(images/" + the_div + "_" + result + ".jpg) no-repeat 1px 1px";
    hiddenform.current.value = result; 
    changeBg2(result);
  }
  for (a=1;a<=images;a++)
  {
    image[a] = new Image();
    image[a].src = "images/" + the_div + "_" + a + ".jpg";
  } 
}

function changeBg(the_div)
{
  var the_style = getStyleObject(the_div);
  if (the_style != false)
  {
    the_style.background = "#D3D8E3";
  }
}

function changeBg2(the_div)
{
  var the_style = getStyleObject(the_div);
  if (the_style != false)
  {

    the_style.background = "#747D95 url(images/white.gif) no-repeat 50% 50%";
    hiddenform.current.value = the_div; 
  }
}

function getStyleObject(objectId) {
  if (document.getElementById && document.getElementById(objectId)) {
    return document.getElementById(objectId).style;
  } else if (document.all && document.all(objectId)) {
    return document.all(objectId).style;
  } else {
    return false;
  }
}


function changeMain(the_div,the_change)
{
  var the_style = getStyleObject(the_div);
  if (the_style != false)
  {
    current = hiddenform.current.value;
    changeBg(current);
    the_style.background = "#ECE2C4 url(images/" + the_div + "_" + the_change + ".jpg) no-repeat 1px 1px";
    hiddenform.current.value = the_change; 
    changeBg2(the_change);
  }
}

function next(the_div)
{
  var the_style = getStyleObject(the_div);
  if (the_style != false)
  {
    current = hiddenform.current.value;
    if (current >= 15)
    {
	    changeBg(current);
	    the_change = 1;
	    changeMain(the_div,the_change);

    }
    else
    {
	    changeBg(current);
	    the_change = ++current;
	    changeMain(the_div,the_change);

    }  
  }
}

function previous(the_div)
{
  var the_style = getStyleObject(the_div);
  if (the_style != false)
  {
    current = hiddenform.current.value;
    if (current-1 >= 1)
    {
	    changeBg(current);
	    the_change = --current;
	    changeMain(the_div,the_change);
    }
    else
    {
	    changeBg(current);
	    the_change = 15;
	    changeMain(the_div,the_change);
    }    
  }
}