var images = new Array();

images[0] = "/images/imagename_01.png"; 
images[1] = "/images/imagename_02.png";
images[2] = "/images/imagename_03.png";
images[3] = "/images/imagename_04.png";
images[4] = "/images/imagename_05.png";

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


function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=550,height=500,left = 250.5,top = 50.5');");
}