function addLoadEvent(func)
{
	var oldonload = window.onload;
	if ( typeof window.onload != 'function' )
	{
		window.onload = func;
	}
	else
	{
		window.onload = function()
		{
			oldonload();
			func();
		}
	}
}

function insertAfter(newElement, targetElement)
{
	var parent = targetElement.parentNode;
	if (parent.lastChild == targetElement )
	{
		parent.appendChild(newElement);
	}
	else
	{
		parent.insertBefore(newElement, targetElement.nextSibling);
	}
}

function addClass(element, value)
{
	if ( !element.className )
	{
		element.className = value;
	}
	else
	{
		newClassName = element.className;
		newClassName += " ";
		newClassName += value;
		element.className = newClassName;
	}
}