function toggleElement( element )
{
	if (document.getElementById(element).style.display == 'none')		
		document.getElementById(element).style.display = 'inline';
	else
		document.getElementById(element).style.display = 'none';
}
function toggleElementsByClassName( classname )
{
	var a = getElementsByClassName(classname);
	for (var i in a)
	{
		a[i].style.display = (a[i].style.display == 'inline')? 'none' : 'inline';
	}
}


function showElement( element )
{
	document.getElementById(element).style.display = 'inline';
}



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

function getElementsByClassName( classname )
{
	var a = [];
	var elements = document.getElementsByTagName('*');
	var j = elements.length;
	for (var i = 0; i<j; i++)
	{
		if (elements[i].className == classname)
			a.push(elements[i]);
	}
	return a;
}