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;
			}
		}
	}
}