url = new Array();
url[0] = "P1.html";
url[1] = "P2.html";
url[2] = "P3.html";
url[3] = "P4.html";
url[4] = "P5.html";
url[5] = "P6.html";
url[6] = "P7.html";
url[7] = "P8.html";
url[8] = "P9.html";
url[9] = "PA.html";
url[10] = "PB.html";
url[11] = "PC.html";
url[12] = "PD.html";
url[13] = "PE.html";
url[14] = "PF.html";
url[15] = "PG.html";
 
function imageCount()
  {
  return(16);
  }

function imageGroup()
  {
  return("Echo Lake");
  }