function getElement(str)
{
        if(document.all !== null) {
                return document.all[str];
	}
        return document.getElementById(str);
}

if (document.images)
{
	var up_arrow = new Image();
	up_arrow.src = "/images/interface/arrow.gif";
	var down_arrow = new Image();
	down_arrow.src = "/images/interface/arrow_down.gif";
}

function dropdown(name)
{
	var e = getElement('choices_' + name);
	if(e.style.display == "none")
	{
		e.style.display = "inline";
		getElement('arrow_' + name).src = "/images/interface/arrow_down.gif";
	}
	else
	{
		e.style.display = "none";
		getElement('arrow_' + name).src = "/images/interface/arrow.gif";
	}
}

function doButton(src)
{
	src.style.backgroundColor = "#9CCC9A";
}

function undoButton(src)
{
	src.style.backgroundColor = "rgb(103, 177, 100)";
}

function doFrame(src)
{
	src.style.borderColor = '#C8C8C8';
	src.style.backgroundColor = '#F0F0F0';
}

function undoFrame(src)
{
	//src.style.borderColor = '#E6E6E6';
	src.style.borderColor = '';
	src.style.backgroundColor = '';
}

function doCategory(src)
{
	src.style.backgroundColor = 'rgb(102,140,179)'; // alpha of 0.75 from #9AB3CC
}

function undoCategory(src)
{
	src.style.backgroundColor = '#9AB3CC';
}