/* Feature switching */
function feature_hover (id) {
	for (i=0;i<4;i++) {
		if (i == id) {
			document.getElementById('img_feature_'+i).style.visibility = 'visible';
			document.getElementById('td_feature_'+i).className = 'feature_on';
		} else {
			document.getElementById('img_feature_'+i).style.visibility = 'hidden';
			document.getElementById('td_feature_'+i).className = 'feature_off';
		}
	}
}

/* Tab-boxes */
// return the part-name for an image
function get_image_name (id) {
	if (id == 'noticias') return 'noticias';
	if (id == 'eventos') return 'eventos';
	if (id == 'ejes_de_accion') return 'ejes_de_accion';
	return id;
}

function switch_off (element) {
//	alert ('disabling ' + element);
	document.getElementById ('switch_'+element).style.visibility = 'hidden';
	document.getElementById (element).src = 'images/principal/boton_'+get_image_name(element)+'.gif';
}
function switch_on (element) {
//	alert ('enabling ' + element);
	document.getElementById ('switch_'+element).style.visibility = 'visible';
	document.getElementById (element).src = 'images/principal/boton_'+get_image_name(element)+'.gif';
}

function switch_select (element) {

 if (element == 'eventos' || element == 'ejes_de_accion' || element == 'noticias') {

		if (element == 'eventos')
			switch_on ('eventos');
		else
			switch_off ('eventos');

		if (element == 'ejes_de_accion')
			switch_on ('ejes_de_accion');
		else
			switch_off ('ejes_de_accion');
			
		if (element == 'noticias')
			switch_on ('noticias');
		else
			switch_off ('noticias');		
	}
}

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_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_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];}
}