function fisherYates ( myArray ) {


  var i = myArray.length;


  if ( i == 0 ) return false;


  while ( --i ) {


	 var j = Math.floor( Math.random() * ( i + 1 ) );


	 var tempi = myArray[i];


	 var tempj = myArray[j];


	 myArray[i] = tempj;


	 myArray[j] = tempi;


   }


}





							


				





//IMAGE COUNTER


var imageCounter = 0;





//SLIDESHOW FUNCTION


function adSlideShow(imgId, srcArray) {


		


		


	//RESET COUNTER WHEN IT REACHES THE END OF THE ARRAY


	if (imageCounter >= srcArray.length) {


		imageCounter = 0;


	}


		


	//swap image source	


	document.getElementById("imgId").src = srcArray[imageCounter];


	//increment counter


	imageCounter++;


	


	//trace


	//window.alert("adSlideShow: " + imageCounter + "\nimage: " + srcArray[imageCounter]);


	


	//calls itself again after defined period


	setTimeout("adSlideShow()","2000");	


}