function loadBar(fl)
{
	var x,y;
	if (self.innerHeight)
	{// all except Explorer
		x = self.innerWidth;
		y = self.innerHeight;
	}
	else 
		if (document.documentElement && document.documentElement.clientHeight)
		{// Explorer 6 Strict Mode
			x = document.documentElement.clientWidth;
			y = document.documentElement.clientHeight;
		}
	else
		if (document.body)
		{// other Explorers
			x = document.body.clientWidth;
			y = document.body.clientHeight;
		}

	var el=document.getElementById('loader');
	if(null!=el)
	{
		var top = (y/2) - 30;
		var left = (x/2) - 150;
		if( left<=0 ) left = 10;
		el.style.visibility = (fl==1)?'visible':'hidden';
		el.style.display = (fl==1)?'block':'none';
		el.style.left = "0px"
		el.style.top = "0px";
		el.style.zIndex = 2;
	}
}