var images = new Array();
<!-- Add / Edit New Home Images (window paned) Here -->
images[0] = "images/home_main1.jpg";
images[1] = "images/home_main2.jpg";
images[2] = "images/home_main3.jpg";
images[3] = "images/home_main4.jpg";



function ShowImg() {
var number = images.length;
var increment = Math.floor(Math.random() * number);
var strTemp ='<img src="' + images[increment] + '">';
document.write(strTemp);
}

var rotate = 5000;
var count = 0;

function RotateImg(introImage){
 introImage.src=images[count];
 count++;
 if(count==images.length){count = 0;}
 setTimeout("RotateImg(introImage)",rotate);
}