var base_url = "http://www.periodiconosotros.com/";

function $$(e){
	if(typeof e=='string')e=document.getElementById(e);
	return e;
};
function collect(a,f){
	var n=[];
	for(var i=0;i<a.length;i++){
		var v=f(a[i]);
		if(v!=null)n.push(v)
	}
	return n
};

ajax={};
ajax.x=function(){
	try{
		return new ActiveXObject('Msxml2.XMLHTTP')
	}catch(e){
		try{
			return new ActiveXObject('Microsoft.XMLHTTP')
		}catch(e){
			return new XMLHttpRequest()
		}
	}
};
ajax.serialize=function(f){
	var g=function(n){
		return f.getElementsByTagName(n)
	};
	var nv=function(e){
		if(e.name)return encodeURIComponent(e.name)+'='+encodeURIComponent(e.value);
		else return ''
	};
	var i=collect(g('input'),
	function(i){
		if((i.type!='radio'&&i.type!='checkbox')||i.checked)return nv(i)});var s=collect(g('select'),nv);var t=collect(g('textarea'),nv);return i.concat(s).concat(t).join('&');
};
ajax.send=function(u,f,m,a){
	var x=ajax.x();
	x.open(m,u,true);
	x.onreadystatechange=function(){
		if(x.readyState==4)f(x.responseText)
	};
	if(m=='POST')
	x.setRequestHeader('Content-type','application/x-www-form-urlencoded');
	x.send(a)
};
ajax.get=function(url,func){
	ajax.send(url,func,'GET')
};
ajax.gets=function(url){
	var x=ajax.x();
	x.open('GET',url,false);
	x.send(null);
	return x.responseText
};
ajax.post=function(url,func,args){
	ajax.send(url,func,'POST',args);
};
ajax.update=function(url,elm){
	var e=$(elm);
	var f=function(r){
		e.innerHTML=r
	};
	ajax.get(url,f)
};
ajax.submit=function(url,elm,frm){
	var e=$(elm);
	var f=function(r){
		e.innerHTML=r;
	};
	ajax.post(url,f,ajax.serialize(frm));
};

function clearForm(formIdent) 
{ 
  var form, elements, i, elm; 
  form = document.getElementById 
    ? document.getElementById(formIdent) 
    : document.forms[formIdent]; 

	if (document.getElementsByTagName)
	{
		elements = form.getElementsByTagName('input');
		for( i=0, elm; elm=elements.item(i++); )
		{
			if (elm.getAttribute('type') == "text")
			{
				elm.value = '';
			}
		}
	}

	// Actually looking through more elements here
	// but the result is the same.
	else
	{
		elements = form.elements;
		for( i=0, elm; elm=elements[i++]; )
		{
			if (elm.type == "text")
			{
				elm.value ='';
			}
		}
	}
}

function setLang(lang){
	document.cookie="lang=" + lang; 
	document.location.href="http://www.periodiconosotros.com/";
}