function popupWindow(url) {
  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=300,height=350,screenX=150,screenY=150,top=150,left=50');
}

var okno = null;
function window_open(page,PosX,PosY,width,height)
{
  borderless = false;
  
  if(okno != null && !document.layers)
  {
    if(okno.close) okno.close();
  }
  if(borderless && !document.layers)
  {
	okno = window.open(page, "", "fullscreen=0, toolbar=0, location=0, directories=0, status=0, menubar=0, scrollbars=yes, resizable=0");
	okno.resizeTo(w, s);
	okno.moveTo(PosX, PosY);
  }
  else
  {
	okno = window.open(page, "", "menubar=no, toolbar=no, location=no, directories=no, status=no, scrollbars=yes, resizable=no, copyhistory=no, width=" + width + ", height=" + height + ", left=" + PosX + ", top=" + PosY);
  }
  okno.focus()
}
function window_open_scroll(page,PosX,PosY,width,height)
{
  borderless = false;
  
  if(okno != null && !document.layers)
  {
    okno.close();
  }
  if(borderless && !document.layers)
  {
	okno = window.open(page, "", "fullscreen=0, toolbar=0, location=0, directories=0, status=0, menubar=0, scrollbars=yes, resizable=0");
	okno.resizeTo(w, s);
	okno.moveTo(PosX, PosY);
  }
  else
  {
	okno = window.open(page, "", "menubar=no, toolbar=no, location=no, directories=no, status=no, scrollbars=yes, resizable=no, copyhistory=no, width=" + width + ", height=" + height + ", left=" + PosX + ", top=" + PosY);
  }
  okno.focus()
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
 if (document.images) {

  slices_01_over = newImage("images/menu_active_01.gif");
  preloadFlag = true;
 }
}

function change(x) {
	var oI = document.getElementById(x);
	if(oI.value=="your email") oI.value="";
}

function changeBack(x) {
	var oI = document.getElementById(x);
	if(oI.value=="") oI.value="your email";
}