function clearLeftMenu(){
	var leftMenu=document.getElementById('leftmenu');
	var lists=leftMenu.getElementsByTagName('ul');
	for(var i=0;i<lists.length;i++){
		leftMenu.removeChild(lists[i]);
	}
}

function searchdatabase(term){
	if(term=='input'){
		term=escape(document.getElementById('searchbox'));
	}
	request.open('POST','php/index.php',false);
	request.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	request.send('function=search&term='+term);
	var xmldoc=request.responseXML;
	//idxmlreplaceUL('leftmenu','related',xmldoc);
	idxmlreplaceText('maintitle','name',xmldoc);
	//idxmlreplaceHTML('maindiv','description',xmldoc);
	document.getElementById('maindiv').innerHTML=unescape(xmldoc.getElementsByTagName('description')[0].firstChild.nodeValue);
}