//funciones para la capa del menu
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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) {
    v=args[i+2];
    if (obj.style) {
    	obj=obj.style;
    	if(v=='show' || v=='hide'){
    		v=(v=='show')?'visible':(v=='hide')?'hidden':v;
    		obj.visibility=v;
    	}
    }
    if(v=='block' || v=='none')
    	obj.display=v;
  }
}

function setLyr(obj,lyr)
{
	var newX = findPosX(obj) - 22;
	var newY = findPosY(obj) - 11;
	//newY-=40;
	var x = buscarCapa(lyr);
	x.style.top = newY + 'px';
	x.style.left = newX + 'px';
}

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

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

function buscarCapa(capa){
	if ( !document.layers && document.all){
		return document.all[capa];
	}else if( document.layers){
		return document.layers[capa];	
	}else {
		return document.getElementById(capa);
	}
}