function Redirige(url, params, target, metodo)
{
	var form = document.createElement("FORM");
	form.action=url;
	form.target= target;
	form.method = metodo;
	
	var i;
	var vparams=params.split("&");
//	alert(params+"-"+vparams.length);
	
	for(i=0; i<vparams.length; i++){
		var input = document.createElement("INPUT");
		var ii = vparams[i].indexOf("=");
		input.name = vparams[i].substring(0, ii);
		input.value = unescape(vparams[i].substring(ii+1, vparams[i].length));
		input.id=input.name;
		input.type="hidden";
//		alert(i+"-"+input.name+"-"+input.value);
		form.appendChild(input);
	}

//	alert("antes del submit");
	document.body.appendChild(form);
	form.submit();
	form.refresh();
}