var picture=new Array();
var tag=new Array();
var maxImage=11;  //CHANGE THIS VARIABLE TO MATCH THE NUMBER OF IMAGES ROTATING ON SCREEN

//this function gets a random number based on the max. number of images
function get_random()
   	{
   		var ranNum= Math.round(Math.random()*maxImage);
    	return ranNum;
  	}
	
var whichImg=get_random();

	// load the randomly selected image
	
    picture[whichImg] = new Image();
	picture[whichImg].src = "/images/img_pcychome" + whichImg + ".jpg"; //CHANGE THE NAME OF THE IMAGE PREFIX
//	tag[whichImg] = new Image();
//	tag[whichImg].src = "/images/tag_pcychome_img_" + whichImg + ".gif";  //CHANGE THE NAME OF THE IMAGE TAG PREFIX
	
	// display image in image object on screen
 	document.randomimg.src = picture[whichImg].src; // CHANGE IMAGE OBJECT NAME TO MATCH SOURCE ON HTML PAGE
	//document.randomtag.src = tag[whichImg].src; // CHANGE IMAGE OBJECT NAME TO MATCH SOURCE
  
function getNextImg()
	{
	
	whichImg++;
	picture[whichImg] = new Image();
	picture[whichImg].src = "/images/img_pcychome" + whichImg + ".jpg"; // CHANGE IMAGE OBJECT NAME TO MATCH SOURCE
//	tag[whichImg] = new Image();
//	tag[whichImg].src = "/images/tag_pcychome_img_" + whichImg + ".gif"; // CHANGE IMAGE OBJECT NAME TO MATCH SOURCE
	
	// display image in image object on screen
 	document.randomimg.src = picture[whichImg].src;
	//document.randomtag.src = tag[whichImg].src;
	
	// set whichImg to 0 if reached maximum image
	if(whichImg >= maxImage) {
			whichImg = 0;
		}
	
	}