function obj(id){
	return document.getElementById(id);
}

function loading_info(){
	obj('save_image').src='../img/wait.gif';
}

function set_mail(id){
	mail_list=new Array("info@chalwa.de","frank@chalwa.de","sascha@chalwa.de","webmaster@chalwa.de");
	obj("to").value=mail_list[id];
}

var tmp=null;
function show(elem){
	if(tmp)hide(tmp);
	with(obj(elem).style)display="block";
	tmp=elem;
}
function hide(elem){
	with(obj(elem).style)display="none";
}