function hideElement(elementId){
	pelemnt = document.getElementById(elementId);
	pelemnt.style.display = 'none';
}

function showElement(elementId){
	pelemnt = document.getElementById(elementId);
	pelemnt.style.display = 'block';
}

function showElementAtFormOtherElement(elementId, offsetX,offsetY){
	pelemnt = document.getElementById(elementId);
	pelemnt.style.position = 'absolute';
	pelemnt.style.top = offsetY;
	pelemnt.style.left = offsetX;
	pelemnt.style.display = 'block';
	
}