// JavaScript Document

// AJAX
function nuevoAjax(){
	var xmlhttp=false;
	 try {
	 xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	 } catch (e) {
		try {
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (E) {
			xmlhttp = false;
		}
	 }
	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
	 xmlhttp = new XMLHttpRequest();
	}
	return xmlhttp;
}

// POPUP
function abreVentana(url,target,width,height){
	var h=(screen.height-height)/2;
	var w=(screen.width-width)/2;
	var woptions='toolbar=no,directories=no,menubar=no,location=no,resizable=no,top='+h+',left='+w+',scrollbars=yes,status=no,width=' + width + ',height=' + height;
	var FLOAT=open(url,target,woptions);
	if (FLOAT.focus!=null) FLOAT.focus();
}

// CAMBIAR TAMAŅO DE LA FUENTE
function tamTxt(accion){
	var cuerpo, parrafos;
	cuerpo = document.getElementById('contents_body_news_in_body');
	parrafos = cuerpo.getElementsByTagName("p");
	
	if(parrafos[0].style.fontSize==""){
		var fontActual=12;
	}else{
		var fontActual=parseInt( parrafos[0].style.fontSize.substring(0,2) );
	}
	
	if(accion=='A'){
		if(fontActual<18){
			for(var i=0 ; i<parrafos.length ; i++){
				parrafos[i].style.fontSize=(fontActual+1)+"px";
			}
		}
	}else{
		if(fontActual>12){
			for(var i=0 ; i<parrafos.length ; i++){
				parrafos[i].style.fontSize=(fontActual-1)+"px";
			}
		}
	}
}

// IMPRIMIR NOTICIA
function imprimir(){
	var divImp;
	divImp = document.getElementById('imprimir');
	divImp.style.display="none";
	window.print();
}

// CONTROLAR RECOMENDAR NOTICIA
function rnControl(){
	var form, rn_destinatario, rn_nom_envia;
	form = document.getElementById('formRN');
	rn_destinatario = document.getElementById('rn_destinatario');
	rn_nom_envia = document.getElementById('rn_nom_envia');
	
	if(rn_destinatario.value==""){
		rn_destinatario.focus();
	}else if(rn_nom_envia.value==""){
		rn_nom_envia.focus();
	}else{
		form.submit();	
	}
}

// CONTROLAR COMENTAR NOTICIA
function cnControl(){
	var form, cn_autor, cn_autor_email, cn_comentario;
	form = document.getElementById('formCN');
	cn_autor = document.getElementById('cn_autor');
	cn_autor_email = document.getElementById('cn_autor_email');
	cn_comentario = document.getElementById('cn_comentario');
	
	if(cn_autor.value==""){
		cn_autor.focus();
	}else if(cn_autor_email.value==""){
		cn_autor_email.focus();
	}else if(cn_comentario.value==""){
		cn_comentario.focus();
	}else{
		form.submit();	
	}
}


// REDIRECCIONAR
function redireccionar(url){
	location.href = url;
}

function contactoControl(){
	var con_nom, con_tel, con_email, con_consulta, nom_area, respuesta;
	respuesta = document.getElementById('consulta_respuesta');
	con_nom = document.getElementById('con_nom');
	con_tel = document.getElementById('con_tel');
	con_email = document.getElementById('con_email');
	con_consulta = document.getElementById('con_consulta');
	nom_area = document.getElementById('nom_area');
	
	if(con_nom.value==""){
		con_nom.focus();	
	}else if(con_email.value==""){
		con_email.focus();	
	}else if(con_consulta.value==""){
		con_consulta.focus();	
	}else{
		ajax=nuevoAjax();
		ajax.open("POST", "contenidos/contacto_accion.php",true);
		ajax.onreadystatechange=function(){
			if(ajax.readyState==1){
				respuesta.innerHTML = "<img src='img/load.gif' />";
			}else if(ajax.readyState==4){
				respuesta.innerHTML = ajax.responseText;
			}
		}
		ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		ajax.send("con_nom="+con_nom.value+"&con_tel="+con_tel.value+"&con_email="+con_email.value+"&con_consulta="+con_consulta.value+"&nom_area="+nom_area.value);
	}
}