/*
Slideshow 1.0
Copyright Protech (www.protechone.com)
*/

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_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 updateThumb(element, status) {
	if (status == 'active') {
		element.className = 'picActive';
	} else if (status == 'inactive') {
		element.className = 'picInactive';
	}
}

var picsArray = new Array();
var picPlace = 0;
var running = 0;
var numPics = 0;
var mlsNum, imageDir, propType;
var timeoutID;

function initializeSlideshow(picString, mls, type, imageLoc) {
	picsArray = picString.split(",");
	running = 1;
	mlsNum = mls;
	propType = type;
	imageDir = imageLoc;
}

function startSlideshow() {
	running = 1;
	runSlideshow();
}

function runSlideshow() {
	if (running == 1) {
		clearTimeout(timeoutID);
		changePics();
		timeoutID = setTimeout("runSlideshow()", 4000);
	}
}

function stopSlideshow() {
	running = 0;
	clearTimeout();
}

function changePics() {
	updateThumb(returnObjById(picsArray[picPlace]), 'inactive');
	
	picPlace++;
	if (picPlace == picsArray.length) {
		picPlace = 0;
	}
	
	updateThumb(returnObjById(picsArray[picPlace]), 'active');
	MM_swapImage('bigProp','',returnObjById(picsArray[picPlace]).src,1);
}

function changePicsManual(picPlaceNum) {
	updateThumb(returnObjById(picsArray[picPlace]), 'inactive');
	picPlace = picPlaceNum;
	updateThumb(returnObjById(picsArray[picPlace]), 'active');
	MM_swapImage('bigProp','',returnObjById(picsArray[picPlace]).src,1);
	
	stopSlideshow();
}

function returnObjById( id )
{
    if (document.getElementById)
        var returnVar = document.getElementById(id);
    else if (document.all)
        var returnVar = document.all[id];
    else if (document.layers)
        var returnVar = document.layers[id];
    return returnVar;
}