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";
url[16] = "PH.html";
url[17] = "PI.html";
url[18] = "PJ.html";
url[19] = "PK.html";
url[20] = "PL.html";
url[21] = "PM.html";
url[22] = "PN.html";
url[23] = "PO.html";
url[24] = "PP.html";
url[25] = "PQ.html";
url[26] = "PR.html";
url[27] = "PS.html";

 
function imageCount()
  {
  return(28);
  }

function imageGroup()
  {
  return("Pipe Line");
  }