function ChangeIm(Im, Where) {
	elem = document.getElementById(Where); 
	Im = 'img/mebel/'+Im;
	if (elem != null && elem.src != Im) {
		elem.src=null;
		elem.src=Im; 
	}
}

function OpenAnswer (num) {
	document.getElementById('answer-'+num).style.display='block';
	document.getElementById('answer-'+num).style.visibility = 'visible';
	return false;
}