function showHideElement(elementId, action) {
    var oElement = document.getElementById(elementId);
   
	if (oElement) {
		if (action == 'show') {
			oElement.style.display = '';
		} else if (action == 'hide') {
			oElement.style.display = 'none';
		} else if (action == 'toggle') {
			if (oElement.style.display == '') {
				oElement.style.display = 'none';
			} else {
				oElement.style.display = '';
			}
		}
		
		return oElement;
	}
}



function showHideExpandIcon(elementId, iconId, action, root) {
	var oElement = showHideElement(elementId, action);
	var oIcon = document.getElementById(iconId);
	
	//If element is not showing, change plus/minus to "plus"
	if (oElement.style.display == 'none') {
		oIcon.src = root + 'images/arrow-right.gif';
	} else {
		oIcon.src = root + 'images/arrow-down.gif';
	}
}


function showElement(elementID) {
    var oElement = document.getElementById(elementID);
    oElement.style.display = '';
}

function hideElement(elementID) {
    var oElement = document.getElementById(elementID);
    oElement.style.display = 'none';
}