// Load Pages on Calendar col2
function callsincrono(url, id_cont){
var page_required = false
if (window.ActiveXObject){ // IE
try {
page_required = new ActiveXObject("Msxml2.XMLHTTP")
} 
catch (e){ // old version
try{
page_required = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
 else if (window.XMLHttpRequest) {// Mozilla, Safari etc
page_required = new XMLHttpRequest()
}
else
return false
page_required.onreadystatechange=function(){ 
loadpage(page_required, id_cont)
}
page_required.open('GET', url, true) 
page_required.send(null)
}

function loadpage(page_required, id_cont){
if (page_required.readyState == 4 && (page_required.status==200 || window.location.href.indexOf("http")==-1))
document.getElementById(id_cont).innerHTML=page_required.responseText
}