var imageslist = new Array()
imageslist[0] = "./images/feature1.jpg"
imageslist[1] = "./images/feature2.jpg"
imageslist[2] = "./images/feature3.jpg"
imageslist[3] = "./images/feature4.jpg"
imageslist[4] = "./images/feature5.jpg"
function randomscript(){

//SET ARBITRARY UNACCEPTABLE VALUE FOR randomnumber
randomnumber = -1 

//SET PARAMETERS TO RUN CALCULATION OF A RANDOM NUMBER 
while (randomnumber < 0 || randomnumber > imageslist.length){
randomnumber = parseInt(Math.random()*(imageslist.length))
}

return randomnumber
}