function checker(container, item, step) {
	try {
		counter = 1;
		items = document.getElementById(container).getElementsByTagName('div');
		for(i = 0; i < items.length; i++){
			if(items[i].className == item) {
				if(counter == step) {
					items[i].style.marginRight = '0';
					counter = 1;
				}
				else
					counter++;
			}
		}
	}
	catch(e) {
	}
}
function toggleDaysTitle(moreNewsTitle, moreNews){
	days = document.getElementById(moreNews);
	daysElements = days.getElementsByTagName('li');
	if(daysElements.length == 0)
		document.getElementById(moreNewsTitle).style.display = 'none';
}

function toggleForm(objButtonId, objFormId) {
	try {
		objButton = document.getElementById(objButtonId);
		objForm = document.getElementById(objFormId);
		if(objButton) {
			if(objButton.style.display !== 'none')
				objButton.style.display = 'none';
			else
				objButton.style.display = 'block';
			if(objForm.style.display !== 'block')
				objForm.style.display = 'block';
			else
				objForm.style.display = 'none';
		}
	}
	catch(e) {
	}
}

function openImage(src) {
	if(src) {
		objContainer = document.getElementById('imageContainer');
		if(!document.getElementById('objImage')) {
			objImage = document.createElement('img');
			objImage.id = 'objImage';
		}
		else
			objImage = document.getElementById('objImage')
		objImage.src = src;
		objImage.onload = function() {
			objContainer.appendChild(objImage);
			objContainer.style.display = 'block';
		}
	}
}
function closeImage() {
	objContainer = document.getElementById('imageContainer');
	objContainer.style.display = 'none';
}