var hWnd = null;

function showText(id)
{
	document.getElementById('link_' + id + '_off').style.display = 'none';
	document.getElementById('link_' + id + '_on').style.display = 'block';
	document.getElementById('text_' + id).style.display = 'block';
}

function hideText(id)
{
	document.getElementById('link_' + id + '_off').style.display = 'block';
	document.getElementById('link_' + id + '_on').style.display = 'none';
	document.getElementById('text_' + id).style.display = 'none';
}

document.onmousedown = grabEl;
document.onmousemove = moveEl;
document.onmouseup = dropEl;
document.onselectstart = checkEl;