// javascript document
function show(element)
{
	// dynamic s.t. all div's beginning with 'div' are hidden
	hide('div_page');
	hide('div_privacy');
	hide('div_rules');
	hide('div_terms');
	
	var eltelement=document.getElementById(element);
	eltelement.style.display = "block";
}

function hide(element)
{
	var eltelement=document.getElementById(element);
	eltelement.style.display = "none";
}