var currentdate = 0
var core = 0

function StringArray (n) {
this.length = n;
for (var i =1; i <= n; i++) {
	this[i] = ' '

}
}

image = new StringArray(2)
image[0] = 'generic banner.jpg'
image[1] = 'paddy power derby copy.png'

var ran = 60/image.length

function ranimage() {
currentdate = new Date()
core = currentdate.getSeconds()
core = Math.floor(core/ran)
	return(image[core])
}