// JavaScript Document


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 cerrar_elemento(ident,pre_img){
		x=MM_findObj(ident);
		if (x!=null){				
			document.getElementById(ident).style.display="none";
			if(!pre_img) pre_img="icono_mas.gif";
			MM_swapImage('img_'+ident,'','graf/iconos/'+pre_img,1)	
		}
		return;
}

function abrir_elemento(ident,pre_img){

	x=MM_findObj(ident);
	if (x!=null){	
		document.getElementById(ident).style.display="";
		if(!pre_img) pre_img="icono_menos.gif";
		MM_swapImage('img_'+ident,'','graf/iconos/'+pre_img,1)	
	}
	return;
}

function mostrar_objeto(ident){

	x=MM_findObj(ident);
	if (x!=null){	
		document.getElementById(ident).style.display="";
	}
	return;
}

function ocultar_objeto(ident){
		x=MM_findObj(ident);
		if (x!=null){	
			document.getElementById(ident).style.display="none";
		}
		return;
}




function interruptor(ident,pre_img_abrir,pre_img_cerrar){
	x=MM_findObj(ident);
	if (x!=null){
		if (document.getElementById(ident).style.display=="none"){
			abrir_elemento(ident,pre_img_abrir);
		}
		else
			cerrar_elemento(ident,pre_img_cerrar);
	}
}

function interruptor_imagen(ident,pre_img_abrir,pre_img_cerrar){
	x=MM_findObj(ident);
	if (x!=null){
		if (document.getElementById(ident).style.display=="none"){
			MM_swapImage('img_'+ident,'','graf/iconos/'+pre_img_abrir,1)	
		}
		else {			
			MM_swapImage('img_'+ident,'','graf/iconos/'+pre_img_cerrar,1)	
		}
	}
}