//this generates a random image for each user group
var imagenumber = 2 ;
var sExtension=new String(".jpg");
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber)  ;
//alert(rand1);
images = new Array
images[0] = "mComm0"+sExtension;
images[1] = "mComm1"+sExtension;
//images[2] = "mSport1"+sExtension;

var image = images[rand1]