var ssSpeed=1300;
var crossFadeDuration=1;
var t_id;

var bChangePics = true;
var currentRun = 1;
var curIndex = 0;
var contentpercolletion = 9 ;

window.onload = runSlideShow;

function runSlideShow()
{	
	if (bChangePics == true)
	{
		if (currentRun < 3)
		{
			currentRun ++ 
		}
		else
		{
			currentRun = 1;
			if (curIndex < contentpercolletion)
			{
				curIndex++;
			}
			else
			{
				curIndex=1;
			}
		}
  		ChangeImage(currentRun, curIndex);
  		t_id=setTimeout('runSlideShow()', ssSpeed);
	}
}

function ChangeImage(_currentRun, _curIndex)
{
	eval("document.images.tr_img_" + _currentRun +".style.filter=\"blendTrans(duration=crossFadeDuration)\"");
	eval("document.images.tr_img_" + _currentRun +".filters.blendTrans.Apply()");
	eval("document.images.tr_img_" + _currentRun +".src= tr_cat_" + _currentRun + "[" + _curIndex + "]");
	eval("document.images.tr_img_" + _currentRun + ".filters.blendTrans.Play()");
}