function icon_over(linktext) { 
 document.getElementById('icon_mouseover').innerHTML = linktext;
}

function icon_out() { 
 document.getElementById('icon_mouseover').innerHTML = '';
}

var last_answer=1;
function answer_it(theid) {
	 document.getElementById('answer'+last_answer).style.display = 'none';
	 document.getElementById('answer0').style.display = 'none';
 document.getElementById('answer'+theid).style.display = 'block';
	last_answer=theid;

}

function pop_sidebar() {
	document.getElementById('gm_sidebar').style.display = 'block';
	document.getElementById('sidebar_button').style.display = 'none';
}


function depop_sidebar() {
	document.getElementById('gm_sidebar').style.display = 'none';
	document.getElementById('sidebar_button').style.display = 'inline';
}