function randInt(min,max) {
   var div = (max - min) + 1
   var randNum = Math.random()
   for (var i = 0; i <= div - 1; i++)
      {
      if (randNum >= i / div && randNum < (i+1) / div)
      {return i + min}
      }
}

function popUp(URL) {
  id = randInt(1,1500);
  var_left = randInt(320,360);
  var_top = randInt(200,240);
  eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=1,width=600,height=600,left = " + var_left + ",top = " + var_top + "');");
  "page" + id.setfocus;
}

function popUp_mittel(URL) {
  id = randInt(1,1500);
  var_left = randInt(320,360);
  var_top = randInt(200,240);
  eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=1,width=450,height=300,left = " + var_left + ",top = " + var_top + "');");
  "page" + id.setfocus;
}

function popUp_hoch(URL) {
  id = randInt(1,1500);
  var_left = randInt(320,360);
  var_top = randInt(200,240);
  eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=1,width=650,height=650,left = " + var_left + ",top = " + var_top + "');");
  "page" + id.setfocus;
}

function popUp_klein(URL) {
  id = "popUp_k";
  eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=1,width=400,height=200,left = 340,top = 212');");
  "page" + id.setfocus;
}