function getElement(aID)
{
  return (document.getElementById) ? document.getElementById(aID): document.all[aID];
} 


//////////////////////////////////////////////////////////////////////////////////////////////////
// FUNCIONES PARA EL MANEJO DE LA CAPA MOBIL
if(document.layers) {NAV=1;}
else if(document.all) {NAV=2;}
else {NAV=0;}
var OX,OY,OZ;
var capamobil;
var PXX=0,PYY=1,PZZ=2;
//document.body.attachEvent=('onload', A(capa)); 
//addEvent(document.body,'load',A,false);
function A(capamobiltemp)
{
	
	capamobil=capamobiltemp;
	var alto=(screen.height/2);
	var ancho=(screen.width/2);

	OX=parseInt(ancho)-parseInt(capamobil.offsetWidth/2);
	OY=parseInt(alto)-parseInt(capamobil.offsetHeight/2)-200;
	if(OY < 50)
		OY = 50;
	OZ=1;
	
	/*capamobil.style.top=OX;
	capamobil.style.left=OY;
	capamobil.style.zIndex=OZ;*/
}
function B()
{
	
	//capaoscuro=getElement('oscuro');
	//var tamanooscuro=capaoscuro.offsetHeight-810;
	//alert(PS(PYY));
	//if(tamanooscuro >= PS(PYY))
	if(capamobil)
	capamobil.style.top=parseInt(PS(PYY)+OY)+ "px";
	//alert(NAV+' - '+PYY+' - '+PS(PYY)+' - '+OY)
	//capamobil.style.zIndex=parseInt(PS(PZZ)+OZ);
	//capamobil.style.left=PS(PXX)+OX;
	return false;
}
function PS(p)
{

var v=0;
switch(p)
 {
 case PXX: {switch(NAV) {
 case 0: {v=window.pageXOffset;} break;
 case 1: {v=document.documentElement.scrollLeft;} break;
 case 2: {v=document.body.scrollLeft;} break;
 default: return 0;
 } } break;
 case PYY: {
	
	 switch(NAV) {
 case 0: {v=window.pageYOffset;} break;
 case 1: {v=document.documentElement.scrollTop;} break;
 case 2: {v=document.body.scrollTop;} break;
 default: return 0;
 } } break;
 case PZZ: {return 1;} break;
 default: return 0;
 }
 
return v;
}



/**
FUNCIONES DE DREAMWEAVER PARA EL ROLLOVER DE IMAGENES
*/
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];
		
	}
  }
}
/////////////////////////////////////////////////////////////////
// Agregar estas

function operaroscuro()
{
	capaoscuro=getElement('oscuro');
	capaoscuro.style.display="";
	var mastama=parseInt(getElement('outerframe').offsetHeight);
	capaoscuro.style.height=mastama+ "px";;
	capaoscuro.style.width=getElement('outerframe').offsetWidth+ "px";;
}

function ocultaroscuro()
{
	capaoscuro=getElement('oscuro');
	capaoscuro.style.display="none";
}

function getElementPosition(obj){
var position = new Object();
position.left = calcLeftPosition(obj);
position.top = calcTopPosition(obj);
return position;
}

function calcLeftPosition (obj){
var curleft = 0;
if (obj.offsetParent) {
while (1) {
curleft+=obj.offsetLeft;
if (!obj.offsetParent) {
break;
}
obj=obj.offsetParent;
}
} else if (obj.x) {
curleft+=obj.x;
}
return curleft
}

function calcTopPosition(obj){
var curtop = 0;
if (obj.offsetParent) {
while (1) {
curtop+=obj.offsetTop;
if (!obj.offsetParent) {
break;
}
obj=obj.offsetParent;
}
} else if (obj.y) {
curtop+=obj.y;
}
return curtop;
}




function validar_enter(e)
{
	var keynum;
	if(window.event) // IE
	{
		keynum = e.keyCode;
	}
	else if(e.which) // Netscape/Firefox/Opera
	{
		keynum = e.which;
	}
	if (keynum == 13)
	{
		return true;
	}
	else
	{
		return false;	
	}
}

function limitador_textarea(textarea, contador, limite) 
{
	if (textarea.value.length > limite) 
		textarea.value = textarea.value.substring(0, limite);
	else 
		contador.value = limite - textarea.value.length;
}