var timeDelay = 4000; // change delay time in miliseconds
var Pix = new Array
("images/web_rotate/R1.JPG" 
,"images/web_rotate/R2.JPG" 
,"images/web_rotate/R3.JPG"
,"images/web_rotate/R4.jpg" 
,"images/web_rotate/R5.jpg"
,"images/web_rotate/R6.jpg"
,"images/web_rotate/R7.jpg"
,"images/web_rotate/R8.jpg"
,"images/web_rotate/R9.jpg"
,"images/web_rotate/R10.jpg"
,"images/web_rotate/R11.jpg"
,"images/web_rotate/R12.jpg"
,"images/web_rotate/R13.jpg"
,"images/web_rotate/R14.jpg"
,"images/web_rotate/R15.jpg"
,"images/web_rotate/R16.jpg"
,"images/web_rotate/R17.jpg"
,"images/web_rotate/R18.jpg"
,"images/web_rotate/R19.jpg"
,"images/web_rotate/R20.jpg"
,"images/web_rotate/R21.jpg"
);

var PixT = new Array
("images/web_rotate/S1.JPG" 
,"images/web_rotate/S2.JPG" 
,"images/web_rotate/S3.JPG"
,"images/web_rotate/S4.jpg" 
,"images/web_rotate/S5.jpg"
,"images/web_rotate/S6.jpg"
,"images/web_rotate/S7.jpg"
,"images/web_rotate/S8.jpg"
,"images/web_rotate/S9.jpg"
,"images/web_rotate/S10.jpg"
,"images/web_rotate/S11.jpg"
,"images/web_rotate/S12.jpg"
,"images/web_rotate/S13.jpg"
,"images/web_rotate/S14.jpg"
,"images/web_rotate/S15.jpg"
,"images/web_rotate/S16.jpg"
,"images/web_rotate/S17.jpg"
,"images/web_rotate/S18.jpg"
);

var howMany = Pix.length;
var howManyT = PixT.length;

var PicCurrentNum = 0;
var PicCurrentNumT = 0;
var PicCurrent = new Image();
PicCurrent.src = Pix[PicCurrentNum];
var PicCurrentT = new Image();
PicCurrentT.src = PixT[PicCurrentNumT];

function startPix() {
//setInterval("my_testfunc()", timeDelay)
setInterval("my_func()", timeDelay)

}

function my_testfunc() {
  window.status = "Testing"
}
function my_func() {
  PicCurrentNum++;
  if (PicCurrentNum == howMany) {
    PicCurrentNum = 0;
  }
  PicCurrent.src = Pix[PicCurrentNum];
  document["ChangingPix"].src = PicCurrent.src;
  
  PicCurrentNumT++;
  if (PicCurrentNumT == howManyT) {
    PicCurrentNumT = 0;
  }
  PicCurrentT.src = PixT[PicCurrentNumT];
  document["ChangingPixT"].src = PicCurrentT.src;
  
}