function choosePic()
{	

var myPix = new Array(9)
myPix[0]="images/buildings/pic1.jpg";
myPix[1]="images/buildings/pic2.jpg";
myPix[2]="images/buildings/pic3.jpg";
myPix[3]="images/buildings/pic4.jpg";
myPix[4]="images/buildings/pic5.jpg";
myPix[5]="images/buildings/pic6.jpg";
myPix[6]="images/buildings/pic7.jpg";
myPix[7]="images/buildings/pic8.jpg";
myPix[8]="images/buildings/pic9.jpg";

var randomNum = Math.round(Math.random()*8)

//alert(myPix[randomNum])

document.coopPhoto.src = myPix[randomNum]
}