var newWindow = null;

function nuPic(num) {
  closeWindow();

  newWindow = open("shoPic11e.php?s=" + num,"myWindow","height=620,width=825,left=30,top=100");
 
  newWindow.focus();
}

function nuPic2(num) {
  closeWindow();

  newWindow = open("shoPic11e.php?s=" + num,"myWindow","height=825,width=620,left=30,top=100");
 
  newWindow.focus();
}

function nuPic3(num) {
  closeWindow();

  newWindow = open("shoPic11p.php?s=" + num,"myWindow","height=620,width=825,left=30,top=100");
 
  newWindow.focus();
}

function nuPic4(num) {
  closeWindow();

  newWindow = open("shoPic11p.php?s=" + num,"myWindow","height=825,width=620,left=30,top=100");
 
  newWindow.focus();
}


function closeWindow() {
  if (newWindow != null) {
    newWindow.close();
    newWindow = null;
  }
}