// DEFINITION OF UP TO THREE POPUP WINDOWS (DEFINITIONS ARE EDITABLE ACCORDING TO THE WEBSITE REQUIREMENTS) WITH FUNCTIONS TO OPEN THEM

// Name window as EMKwindowMain if it isn't named EMKwindow1, EMKwindow2 or EMKwindow3
  if (window.name != "EMKwindowMain" && window.name != "EMKwindow1" && window.name != "EMKwindow2" && window.name != "EMKwindow3" && window.name != "EMKwindow3") window.name = "EMKwindowMain";
  window.focus();

// Definition of popup window 1 (EMKwindow1)
  var newWidth1   = 600;
  var newHeight1  = 500;
  var leftMargin1 = (screen.availWidth - newWidth1 - 20)/2;
  var topMargin1  =  100;
  var win1
  function openWindow1(image) {	// Function to open popup window 1
    win1 = window.open('../includes/EMKwindows.php?img=' + image,'EMK1',"width="+newWidth1+",height="+newHeight1+",top="+topMargin1+",left="+leftMargin1+",resizable=no,scrollbars=no,toolbar=no,status=no");
    win1.focus();
  }

// Definition of popup window 2 (EMKwindow2)
  var newWidth2   = 655;
  var newHeight2  = screen.availHeight - 400;
  var leftMargin2 = (screen.availWidth - newWidth2 - 20)/2;
  var topMargin2  =  200;
  var win2
  function openWindow2(image) {	// Function to open popup window 2
    win2 = window.open(image,'EMK1',"width="+newWidth2+",height="+newHeight2+",top="+topMargin2+",left="+leftMargin2+",resizable=no,scrollbars=no,toolbar=no,status=no");
    win2.focus();
  }

// Definition of popup window 3 (EMKwindow3)
  var newWidth3   = 295;
  var newHeight3  = screen.availHeight - 290;
  var leftMargin3 = (screen.availWidth - newWidth3 - 20)/2;
  var topMargin3  =  170;
  var win3
  function openWindow3(image) {	// Function to open popup window 3
    win3 = window.open('../includes/EMKwindows.php?img=' + image,'EMK1',"width="+newWidth3+",height="+newHeight3+",top="+topMargin3+",left="+leftMargin3+",resizable=no,scrollbars=no,toolbar=no,status=no");
    win3.focus();
  }
  
  // Definition of popup window 4 (EMKwindow3)
  var newWidth4   = 470;
  var newHeight4  = screen.availHeight - 320;
  var leftMargin4 = (screen.availWidth - newWidth3 - 20)/3;
  var topMargin4  =  180;
  var win4
  function openWindow4(image) {	// Function to open popup window 3
    win4 = window.open('../includes/EMKwindows.php?img=' + image,'EMK1',"width="+newWidth4+",height="+newHeight4+",top="+topMargin4+",left="+leftMargin4+",resizable=no,scrollbars=no,toolbar=no,status=no");
    win4.focus();
  }