function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

addLoadEvent = function(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

hideSelects = function() {
	if(document.all) {
		for(var i=0; s=document.getElementsByTagName("select")[i]; i++) {
			s.style.visibility = "hidden";
		}
	}
}

showSelects = function() {
	if(document.all) {
		for(var i=0; s=document.getElementsByTagName("select")[i]; i++) {
			s.style.visibility = "visible";
		}
	}
}