function $(id) {
	return document.getElementById(id);
}

function recalcRating(moneyAmount, daysCount) {
	$('rating').value = Math.round($('dividends_total').value / moneyAmount + $('days').value / daysCount);
}

function dividendsPayments() {
	$('dividends_avg_month').value = Math.round($('dividends_total').value / Math.floor($('days').value/30) * 100) / 100;
	$('dividends_payments_count').value = Math.floor($('days').value/30);
}

var lastShow = 0; 

function sh(objName, linkObj) {
	var obj = $(objName);
	if (obj) {
		obj.style.display = obj.style.display != 'block' ? 'block' : 'none';
	}
	if (lastShow && lastShow != objName) {
		h(lastShow);
	}	
	lastShow = objName;
	if (linkObj) {
		linkObj.className = obj.style.display != 'block' ? 'linkShowHide' : 'linkHideShow';
	}
}

lastActive = 0;
function classChange(objName, classActive, classPassive) {
	var obj = $(objName);
	if (!obj) return;
	if (obj.className == classActive) {
		obj.className = classPassive;
	} else {
		obj.className = classActive;
		if (lastActive && lastActive!=objName) $(lastActive).className = classPassive;
		lastActive = objName;
	}
}

function s(objName, linkObj) {
	var obj = $(objName);
	if (obj) obj.style.display = 'block';
	if (linkObj) {
		linkObj.className = 'linkHideShow';
	}
}

function h(objName) {
	var obj = $(objName);
	if (obj) obj.style.display = 'none';
}


function showImg(src) {
	img = new Image();
	img.src = src;
	window.open( src, 'Screenshot', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width='+(img.width+18)+',height='+(img.height+25) ) ;
}