var chosenImage=new Array();
chosenImage[0]="ITW-header1.jpg";
chosenImage[1]="ITW-header2.jpg";
chosenImage[2]="ITW-header3.jpg";
chosenImage[3]="ITW-header4.jpg";
chosenImage[4]="ITW-header5.jpg";
chosenImage[5]="ITW-header6.jpg";
chosenImage[6]="ITW-header7.jpg";
chosenImage[7]="ITW-header8.jpg";

var chosenAltCopy=new Array();
chosenAltCopy[0]="Welcome to ITW";
chosenAltCopy[1]="Welcome to ITW";
chosenAltCopy[2]="Welcome to ITW";
chosenAltCopy[3]="Welcome to ITW";
chosenAltCopy[4]="Welcome to ITW";
chosenAltCopy[5]="Welcome to ITW";
chosenAltCopy[6]="Welcome to ITW";
chosenAltCopy[7]="Welcome to ITW";

var getRan=Math.floor(Math.random()*chosenImage.length);

function randomImage()
{
document.getElementById('randomImage').setAttribute('src','ITW-random-headers/'+chosenImage[getRan]);
document.getElementById('randomImage').setAttribute('alt',chosenAltCopy[getRan]);
}