function ShowBann (path, w, h)
{
	window.open(path,'SBann','width='+w+',height='+h+',status=no,toolbar=no,menubar=no,location=no,resizable=yes,scrollbars=no,top=200,left=200');
}
function getElementsByClassName(classname)
{
	var elements = new Array();
	var inc = 0;
	var alltags = document.getElementsByTagName('*');
	for (var i=0; i<alltags.length; i++)
	{
		if (alltags[i].className == classname)
		{
			elements[inc++] = alltags[i];
		}
	}
	return elements;
}

function ReDrawGraph()
{
	var form = document.forms['quotes_form'];
	var quotes_img = document.getElementById('quotes_img');
	var start = document.getElementById('start_date');
	var finish = document.getElementById('finish_date');
	var rtsi = document.getElementById('RTSI');
	var micex = document.getElementById('MICEX');
	var s;
	if(start.value && finish.value)
	{
		for (var i=0; i<form.period.length; i++)
		{
			if(form.period[i].checked)
			{
				s = '/quotes_percent.php?date_from='+start.value+'&date_to='+finish.value;

				if(rtsi.checked)
				{
					s += '&index_rtsi=1';
				}
				if(micex.checked)
				{
					s += '&index_micex=1';
				}
				quotes_img.src = s;
			}
		}
	}
}

function ChangeDatePeriod()
{
	var form = document.forms['quotes_form'];
	var start = document.getElementById('start_date');
	var finish = document.getElementById('finish_date');
	var start_label = document.getElementById('start_label');
	var finish_label = document.getElementById('finish_label');
	var custom = document.getElementById('custom');
	for (var i=0; i<form.period.length; i++)
	{
		if(form.period[i].checked)
		{
			if(finish.value=='')
			{
				finish.value = custom.value;
			}
			if(form.period[i].id=='custom')
			{
				start.disabled = false;
				finish.disabled = false;
				
				start_label.disabled = false;
				finish_label.disabled = false;
			}
			else
			{
				start.value = form.period[i].value;
				start.disabled = true;
				finish.disabled = true;
				
				start_label.disabled = true;
				finish_label.disabled = true;
			}
		}
	}
}