var interval = 4000; 
		var ImageNumber = -1;
		var photoArray = new Array();
		var numberofimage = photoArray.length;
	

function getNewerImage() {

						if(ImageNumber < photoArray.length-1){
						
							ImageNumber = (ImageNumber+1);
						}
						
					else{
							ImageNumber =0;
						}	
	
return photoArray[ImageNumber];
}

function rotateImage1(place1) {

		document[place1].src = getNewerImage();
	var recur_call = "rotateImage1('"+place1+"')";


timerID = setTimeout(recur_call, interval);


}