var chosenImage=new Array();
chosenImage[0]="1.jpg";
chosenImage[1]="2.jpg";
chosenImage[2]="3.jpg";
chosenImage[3]="4.jpg";
chosenImage[4]="5.jpg";
chosenImage[5]="6.jpg";
chosenImage[6]="7.jpg";
chosenImage[7]="8.jpg";
chosenImage[8]="9.jpg";
chosenImage[9]="10.jpg";
chosenImage[10]="11.jpg";
chosenImage[11]="12.jpg";
chosenImage[12]="13.jpg";
chosenImage[13]="14.jpg";
chosenImage[14]="15.jpg";
chosenImage[15]="16.jpg";
chosenImage[16]="17.jpg";
chosenImage[17]="18.jpg";
chosenImage[18]="19.jpg";
chosenImage[19]="20.jpg";
chosenImage[20]="21.jpg";
chosenImage[21]="22.jpg";
chosenImage[22]="23.jpg";
chosenImage[23]="24.jpg";
chosenImage[24]="25.jpg";
chosenImage[25]="26.jpg";
chosenImage[25]="26.jpg";
chosenImage[26]="27.jpg";
chosenImage[27]="28.jpg";
chosenImage[28]="29.jpg";
chosenImage[29]="30.jpg";
chosenImage[30]="31.jpg";
chosenImage[31]="32.jpg";
chosenImage[32]="33.jpg";
chosenImage[33]="34.jpg";
chosenImage[34]="35.jpg";
chosenImage[35]="36.jpg";
chosenImage[36]="37.jpg";
chosenImage[37]="38.jpg";

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

function polaroidImage()
{
document.getElementById('polaroidImage').setAttribute('src','http://www.upminstermethodist.org.uk/images/randompics/'+chosenImage[getRan]);
}