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

function ajaxpage(url, containerid){
   cargar(1,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){
  cargar(0,containerid);
  //alert(page_request.responseText);
  if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
  document.getElementById(containerid).innerHTML=page_request.responseText;
}

function loadobjs(){
  if (!document.getElementById)
  return
  for (i=0; i<arguments.length; i++){
    var file=arguments[i]
    var fileref=""
    if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
      if (file.indexOf(".js")!=-1)  { //If object is a js file
         fileref=document.createElement('script')
         fileref.setAttribute("type","text/javascript");
         fileref.setAttribute("src", file);
      }
      else if (file.indexOf(".css")!=-1){ //If object is a css file
         fileref=document.createElement("link")
         fileref.setAttribute("rel", "stylesheet");
         fileref.setAttribute("type", "text/css");
         fileref.setAttribute("href", file);
      }
    }
    if (fileref!=""){
        document.getElementsByTagName("head").item(0).appendChild(fileref)
        loadedobjects+=file+" " //Remember this object as being already added to page
    }
  }
}

function cambiar_color_over(celda){ 
    cel = document.getElementById(celda);
    document.getElementById("col1").className = "";
    if (document.getElementById("col2"))  document.getElementById("col2").className = "";
    if (document.getElementById("col3"))  document.getElementById("col3").className = "";
    if (document.getElementById("col4"))  document.getElementById("col4").className = "";
    if (document.getElementById("col5"))  document.getElementById("col5").className = "";
    if (document.getElementById("col6"))  document.getElementById("col6").className = "";
    if (document.getElementById("col7"))  document.getElementById("col7").className = "";
    if (document.getElementById("col8"))  document.getElementById("col8").className = "";
    if (document.getElementById("col9"))  document.getElementById("col9").className = "";
    if (document.getElementById("col10"))  document.getElementById("col10").className = "";
    if (document.getElementById("col11"))  document.getElementById("col11").className = "";
    cel.className = "active";
} 
function cargar(proc,capa) {
   if (proc==1) {
     document.getElementById(capa).innerHTML = '<img src=\"loading.gif\" />';
   }
}