function randomContent()

{

var chosenImage=new Array()

// filenames of images in this array
chosenImage[1]="elements_front.jpg"
chosenImage[2]="gauges_front.jpg"
chosenImage[3]="off-line.jpg"
chosenImage[4]="test_kits_front.jpg"


var chosenLink=new Array()

// URLs for links go here
chosenLink[1]="http://www.hydrotechnik.co.uk/schroder.htm"
chosenLink[2]="http://www.hydrotechnik.co.uk/gauges.htm"
chosenLink[3]="http://www.filtertechnik.co.uk/Filter_trollies.html"
chosenLink[4]="http://www.hydrotechnik.co.uk/test_kits.htm"


var chosenAltCopy=new Array()

// title and alt copy for images goes here
chosenAltCopy[1]=""
chosenAltCopy[2]=""
chosenAltCopy[3]=""
chosenAltCopy[4]=""


var chosenCopy=new Array()

// accompanying copy for images goes here
chosenCopy[1]=""
chosenCopy[2]=""
chosenCopy[3]=""
chosenCopy[4]=""


var getRan=Math.floor(Math.random()*chosenImage.length)
if (getRan==0)
getRan=1


document.write('<p><a href=\"'+chosenLink[getRan]+'\" title=\"'+chosenAltCopy[getRan]+'\"><img src=\"assets/random_images/'+chosenImage[getRan]+'" alt=\"'+chosenAltCopy[getRan]+'\"  border=\"0\" class=\"border0px\"/><\/a></p>')

document.write(chosenCopy[getRan])
}