// var please_wait = null;

function open_url(produto) {

	var target = "main";
	var url = "inc/ver-produtos.php?id="+produto;

 	if ( ! document.getElementById) {
  		return false;
 	}

	document.getElementById(target).innerHTML= "<p align='center'><img border='0' src='./images/loader.gif' alt='' /></p>";
	
 	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); }
 	link.open("POST", url, true);
	link.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	link.setRequestHeader("Cache-Control", "no-store, no-cache, must-revalidate");
	link.setRequestHeader("Cache-Control", "post-check=0, pre-check=0");
	link.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=iso-8859-1");
	link.setRequestHeader("Pragma", "no-cache");
 	link.send(null);
}

function response(url, target) {
 	if (link.readyState == 4) {
	 	document.getElementById(target).innerHTML = (link.status == 200) ? link.responseText : "<br /><font face=Arial size=2>Ups!! Não foi possível abrir a opção seleccionada. ERRO: " + link.status + "</FONT><br /><br />";
	}

}