function appendCssClass(obj, className)
{
	if (obj != null && className != null && className.length > 0)
	{
    	obj.className += ' ' + className;
	}
}

function removeCssClass(obj, className)
{
	if (obj != null && className != null && className.length > 0)
	{
		obj.className = obj.className.replace(new RegExp('\\b' + className + '\\b'), '');
	}
}

function includeJavaScript(jsFile)
{
	document.write('<script type="text/javascript" src="' + jsFile + '"></scr' + 'ipt>'); 
}