function daysTitle(titleId, listId) {
	if(document.getElementById(listId).childNodes.length == 0)
		document.getElementById(titleId).style.display = 'none';
};
function shortenClass(tagName, className, maxLength) {
	var aElements = document.getElementsByTagName(tagName);
	for(iElements = 0; iElements < aElements.length; iElements++) {
		if(aElements[iElements].className == className) {
			if(aElements[iElements].innerHTML.length > maxLength)
				aElements[iElements].innerHTML = aElements[iElements].innerHTML.substring(0, maxLength) + '&hellip;';
		};
	};
};
function widthControl(objLeftId, objRightId, objRightWidth) {
	var objLeft = document.getElementById(objLeftId);
	if(!objLeft) {
		var objRight = document.getElementById(objRightId);
		objRight.style.width = objRightWidth + 'px';
	};
};				
function activeController(objId) {
	document.getElementById(objId).style.backgroundImage = 'url(style/artformore/images/subnav_bullet.gif)';
};
function checker(containerId, elementClass, step) {
	var counter = 1;
	var elements = document.getElementById(containerId).getElementsByTagName('div');
	for(i = 0; i < elements.length; i++){
		if(elements[i].className == elementClass) {
			if(counter == step) {
				elements[i].style.marginRight = '0';
				counter = 1;
			} else {
				counter++;
			};
		};
	};
};