function lb(index)
{
	document.getElementById('light'+index+'').style.display='block';
	document.getElementById('fade').style.display='block';
	pageScroll('0','-200');
}
function lb_close(index)
{
	pageScroll(0,300);
	document.getElementById('light'+index+'').style.display='none';
	document.getElementById('fade').style.display='none';
}

function pageScroll(val1,val2) {
		//alert(val1+val2);
    	window.scrollTo(val1,val2); // horizontal and vertical scroll increments
    	//scrolldelay = setTimeout('pageScroll('+val1+','+val2+')',100); // scrolls every 100 milliseconds
}