function comparison()
{
	document.getElementById('loading').style.display = 'none';
	document.getElementById('mouse_over').style.display = 'block'; 
	window.setTimeout("window.location.hash = 'vergleich'", 10);
}

function feedback()
{
	if (document.getElementById('loading') != null) document.getElementById('loading').style.display = 'none'; 
	if (document.getElementById('mouse_over') != null) document.getElementById('mouse_over').style.display = 'block';
	window.location.hash = 'feedback';
}

function selection()
{
	window.location.hash = 'auswahl';
}

function comparison_over()
{
	document.getElementById('hd').style.display = 'none'; 
	document.getElementById('sd').style.display = 'block'
}

function comparison_out()
{
	document.getElementById('hd').style.display = 'block'; 
	document.getElementById('sd').style.display = 'none';
}