var _ie5 = (document.getElementById && document.all);
	var _ns6 = (document.getElementById && !document.all);
	
	var _intID =  0;
	var _op    =  0;
	var _ypos  = -130;
	var _yinc  =  7;


	function startEntrance(LayerID)
	{
		obj = document.getElementById(LayerID);
		_intID = setInterval("_doEntranceCB(obj)", 20);
//	document.forms["frmPostCode"].elements["Postcode"].focus();
		document.forms["frmPostCode"].elements["Postcode"].select();
		document.forms["sfform"].elements["Locality"].select();
	}

	function stopEntrance()
	{
		if (_intID) {
			clearInterval(_intID);
			_intID = 0;
		}
	}
	
	function _doEntranceCB(obj)
	{
		_op += 5;
		if (_op > 95) {	// stop at 90% transparency
			_op = 95;
			stopEntrance();
		}
		
		if(_ie5){
//		obj.style.filter = 'alpha(opacity=' + _op + ', FinishOpacity=0, Style=1, StartX=0, StartY=15, FinishX=0, FinishY=1)';
			obj.filters.alpha.opacity = _op;
		}
//	if(_ns6){
		else {
//		obj.style.MozOpacity = 0 + '%';
//		obj.style.MozOpacity = opacity + '%';
			obj.style.opacity = _op / 100;
		}
		
		_ypos += _yinc;
		if (_ypos > 0) {
			_ypos = 0;
//			_yinc = 0;
		}
		obj.style.top = _ypos;
	}