var rootdomain="http://"+window.location.hostname

function ajaxpage(url, containerid){
var page_request = false
if (window.XMLHttpRequest) // if Mozilla, Safari etc
page_request = new XMLHttpRequest()
else if (window.ActiveXObject){ // if IE
try {
page_request = new ActiveXObject("Msxml2.XMLHTTP")
} 
catch (e){
try{
page_request = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else
return false
page_request.onreadystatechange=function(){
loadpage(page_request, containerid)
}
page_request.open('GET', url, true)
page_request.send(null)
}

function loadpage(page_request, containerid){
if (page_request.readyState==1)
{document.getElementById(containerid).innerHTML='';
	/* document.getElementById(containerid).innerHTML='<center><img src="/edicionOnline/image/i_animated_loading_32_2.gif"> Cargando</center>'; */}	
if (page_request.readyState==4)
{document.getElementById(containerid).innerHTML=page_request.responseText}
}