var loadedjs = false;

function plato(arg) {
  var rslt;
  if (document.getElementById) rslt = document.createElement('img');
  else rslt = new Image();
  rslt.src = arg;
  return rslt;
}

function showDivs(divId) {
  for (var i=0; i<divs.length; i++) {
    if (divId != divs[i]) toggleVisibility(divs[i],'hidden');
  }
  toggleVisibility(divId,'visible');
}

function toggleVisibility() {
  var inc, endInc=arguments.length;
  for (inc=0; inc<endInc; inc+=2) {
    var id = arguments[inc];
    if (arguments[inc+1] == 'hidden') param = "hidden";
    else if(arguments[inc+1]=='visible') param = "visible";
    if (document.layers) document.layers['container'].layers[id].visibility = param;
    else if (document.all) eval("document.all." + id + ".style.visibility = \"" + param + "\"");
    else if (document.getElementById) eval("document.getElementById(id).style.visibility = \"" + param + "\"");
  }
}

function open_win(url_add)
   {
   window.open(url_add,'welcome','width=800,height=640,menubar=yes,status=yes,location=yes,toolbar=yes,scrollbars=yes');
   }


loadedjs = true;