function getvar(data,div){
	if(data == null || typeof data == undefined) data = '';
	if(typeof _root_url == undefined) _root_url = '';

	if(data != null){
		pageRequest.send('POST',_root_url+'?getvar',data,{func:setvar,arg:div});
	}
}

function setvar(o,div){
	var d = document.getElementById(div);
	if(o.status != 200){
		alert('request faild');
		return;
	}
	
	if(typeof d != undefined)
		d.innerHTML = o.responseText;
}