function setClass (elementName, className) {
	var theElement = document.getElementById(elementName);
	theElement.className = className;
}

function getElementPageLeft(element) {
	var x, obj;
	x = 133;
    obj = element;
    while (obj.offsetParent != null) {
		x += obj.offsetLeft;
		obj = obj.offsetParent;
	}
    x += obj.offsetLeft;
    return x;
}

function getElementPageTop(element) {
	var y, obj;
	y = -15;
    obj = element;
	while (obj.offsetParent != null) {
		y += obj.offsetTop;
		obj = obj.offsetParent;
	}
    y += obj.offsetTop;
    return y;
}

function showElement(elementName) {
	var theElement = document.getElementById('menuLayer' + elementName);
	if(theElement)
		theElement.style.display = "block";
}

function hideElement(elementName) {
	var theElement = document.getElementById('menuLayer' + elementName);
	if(theElement)
		theElement.style.display = "none";
}

function initMenu(elementName) {
	
	var img = document.getElementById("menuPlace" + elementName);
	
	x = getElementPageLeft(img);
	y = getElementPageTop(img);
	var menuLayer = document.getElementById("menuLayer" + elementName);
	if(menuLayer){
		x = x + 7;
		y = y + 16;
		menuLayer.style.left = x + "px";
		menuLayer.style.top = y + "px";
	}
}