var eleccion=-1;
var peticion = false; 

var index1="";
var index2="";
var index3="";

var src1="";
var src2="";
var src3="";

var seleccion=-1;

imagenes=new Array();

if (window.XMLHttpRequest) {
      peticion = new XMLHttpRequest();
      } else if (window.ActiveXObject) {
            peticion = new ActiveXObject("Microsoft.XMLHTTP");
}


function ObtenerDatosTupa(datos,divID,activo,imagen) {
	if(peticion) {
	     var obj = document.getElementById(divID);
	     peticion.open('GET',datos);
	     peticion.onreadystatechange = function() {
	          if (peticion.readyState == 4) {
	               obj.innerHTML = peticion.responseText;
				   document.getElementById("Image6").src = "images/BOTONES/anexos_off.png";
				   document.getElementById("Image5").src = "images/BOTONES/formatos_off.png";
				   	var aux = "images/BOTONES/" + imagen + "_on.png";
				   //var aux = "images/BOTONES/anexos_on.png";
				   document.getElementById(activo).src = aux;
	          }
	     }
	peticion.send(null);
	}
}
function ObtenerDatosTupa2(datos,divID,activo,imagen) {
	if(peticion) {
	     var obj = document.getElementById(divID);
	     peticion.open('GET',datos);
	     peticion.onreadystatechange = function() {
	          if (peticion.readyState == 4) {
	               obj.innerHTML = peticion.responseText;
				   document.getElementById("Image5").src = "images/BOTONES/formatos_off.png";
				   document.getElementById("Image6").src = "images/BOTONES/anexos_off.png";
				   var aux = "images/BOTONES/" + imagen + "_on.png";
				   //var aux = "images/BOTONES/anexos_on.png";
				  document.getElementById(activo).src = aux;
	          }
	     }
	peticion.send(null);
	}
}

function CambiarEstilo(id) {
	var elementosMenu = getElementsByClassName(document, "li", "activo");
	for (k = 0; k< elementosMenu.length; k++) {
	elementosMenu[k].className = "inactivo";
	}
	var identity=document.getElementById(id);
	identity.className="activo";
}
function getElementsByClassName(oElm, strTagName, strClassName){
    var arrElements = (strTagName == "*" && document.all)? document.all : oElm.getElementsByTagName(strTagName);
    var arrReturnElements = new Array();
    strClassName = strClassName.replace(/\-/g, "\\-");
    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
    var oElement;
    for(var i=0; i<arrElements.length; i++){
        oElement = arrElements[i];      
        if(oRegExp.test(oElement.className)){
            arrReturnElements.push(oElement);
        }   
    }
    return (arrReturnElements)
}


function load_pestana(param){
  if(document.getElementById('form2').value!='0')
   {document.getElementById('asistencia').style.visibility="visible";
    ObtenerDatosAsist('modAsistenciatecnica/at'+param+'.php?idInst='+document.getElementById('form2').value,'ContTabul');
    //CambiarEstilo('bt'+param);
	}
	else
	{document.getElementById('asistencia').style.visibility="hidden";
	}
 }



function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr;
  for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src= x.oSrc;
 
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
  
}




function buscar_indices()
{for(i=0;i<document.images.length;i++)
   {if(document.images[i].name=="Image5" || document.images[i].name=="Image6" || document.images[i].name=="Image4")
      {switch(document.images[i].name)
	    {case "Image2":index1=i;break;
		 case "Image3":index2=i;break;
		 case "Image4":index3=i;break;
		 default:
		}
      }
   }
   cargar_img();
}

function cargar_img()
{imagenes[0]=document.images[0].src;
 imagenes[1]=document.images[1].src;
 imagenes[2]=document.images[2].src;
}

function volver_img(ruta,id)
{if(seleccion!=id){
 switch(id)
  {case 0:document.images[index1].src=ruta;break;
   case 1:document.images[index2].src=ruta;break;
   case 2:document.images[index3].src=ruta;break;
   default:
  }
 }
}

function cambiar_img(ruta,id)
{if(seleccion!=id){
  switch(id)
  {case 0:document.images[index1].src=ruta;break;
   case 1:document.images[index2].src=ruta;break;
   case 2:document.images[index3].src=ruta;break;
   default:
  }
 }
}

function seleccionar(param)
{   aux=seleccion;
    seleccion=param;
   
    if(aux==0)document.images[index1].src=imagenes[0];
    if(aux==1)document.images[index2].src=imagenes[1];
    
    
 }

//-->