// JavaScript Document
var please_wait = null;

function open_url(url, target, campo, categoria)
{
	//if (ord != "Null")
	//{
		if ( ! document.getElementById) {
			return false;
		}
	
		if (please_wait != null) {
			document.getElementById(target).innerHTML = please_wait;
		}
	
		if (window.ActiveXObject) {
			link = new ActiveXObject("Microsoft.XMLHTTP");
		} else if (window.XMLHttpRequest) {
			link = new XMLHttpRequest();
		}
	
		if (link == undefined) {
			return false;
		}
		link.onreadystatechange = function() { response(url, target, campo, categoria); }
		link.open("GET", url+"?campo="+campo+"&categoria="+categoria, true);
		link.send(null);
	//}	
}

function response(url, target) {
 	if (link.readyState == 4) {
	 	document.getElementById(target).innerHTML = (link.status == 200) ? link.responseText : "Ooops!! A broken link! Please contact the webmaster of this website ASAP and give him the fallowing errorcode: " + link.status;
	}
}

function set_loading_message(msg) {
 	please_wait = msg;
}