var agt = navigator.userAgent.toLowerCase();
var dom = (document.getElementById) ? true : false;
var ns5 = ((navigator.userAgent.indexOf("Gecko")>-1) && dom) ? true: false;
var ie5 = ((navigator.userAgent.indexOf("MSIE")>-1) && dom) ? true : false;
var ns4 = (document.layers && !dom) ? true : false;
var ie4 = (document.all && !dom) ? true : false;
var nodyn = (!ns5 && !ns4 && !ie4 && !ie5) ? true : false;
var is_win  = ((agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1)) ? true : false;

	var maxImages = 1;
	var maxImages = 2;
	var maxImages = 3;
	var activeImage = 1;

	function fnToggle() {

		if (is_win && ie5)
		{
			prvImageContainer.filters[0].Apply();
                        document.getElementById("prvImage" + activeImage).style.visibility="hidden";
                        if (activeImage == maxImages) activeImage=0;
                        activeImage++;
                        document.getElementById("prvImage" + activeImage).style.visibility="visible";
                        prvImageContainer.filters[0].Play(); 
		} 
		if (dom && ns5)
		{
		    //document.getElementById("prvImageContainer").filters[0].Apply();
			document.getElementById("prvImage" + activeImage).style.visibility="hidden";
			if (activeImage == maxImages) activeImage=0;
			activeImage++;
			document.getElementById("prvImage" + activeImage).style.visibility="visible";
			//document.getElementById("prvImageContainer").filters[0].Play();
		}
		
		else {
			document.getElementById("prvImage" + activeImage).style.visibility="hidden";
			if (activeImage == maxImages) activeImage=0;
			activeImage++;
			document.getElementById("prvImage" + activeImage).style.visibility="visible";
		}
	}

	function beginTransitions() {
		timerID = setInterval("fnToggle()", 7000);
	}
beginTransitions();