function getE(id){
	if(document.getElementById){
		return document.getElementById(id);
	}else if(document.all){
		return document.all[id];
	}else{
		return false;
	}
}

function OpenClose(id){
	var o = getE(id).style;
	if(o.display == 'none'){
		o.display = 'block';
	}else{
		o.display = 'none';
	}
}