// ----------------------------------------------------------------
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 MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
// ----------------------------------------------------------------
function TellFriend() {
var cgiRecomienda = '/cgi/recomienda.pl';
        cgiRecomienda = cgiRecomienda + "?url=" + document.URL;
        location.href = cgiRecomienda;
        return false;
}
// ----------------------------------------------------------------
/**
 * Gets the value of the specified data session.
 *
 * name  Name of the desired data session value.
 *
 * Returns a string containing value of specified,
 *   or null if does not exist.
 */
function getSessionData(name) {

   var dc = getCookie2('REG_SESSION_DATA');
   if (dc != null) {
      var prefix = name + ":";
      var begin = dc.indexOf("&" + prefix);
      if (begin == -1) {
         begin = dc.indexOf(prefix);
         if (begin != 0) return null;
      } else {
         begin += 1;
      }
      var end = dc.indexOf("&", begin);
      if (end == -1) {
         end = dc.length;
      }
      return dc.substring(begin + prefix.length, end);
   } else {
   return null;
   }
}
// ----------------------------------------------------------------
/**
 * Gets the value of the specified cookie.
 *
 * name  Name of the desired cookie.
 *
 * Returns a string containing value of specified cookie,
 *   or null if cookie does not exist.
 */
function getCookie2(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}
// ----------------------------------------------------------------
function TDover(e) {
	if (!e)
		var e = window.event;

	if (e.srcElement) {
		var S = e.srcElement;
	} else {
		var S = e.target;
	}

	while (S.tagName != "TD") {
		S = S.parentElement;
	}
	S.className = "TDover";
}
// ----------------------------------------------------------------
function TDout(e) {
	if (!e)
		var e = window.event;
	if (e.srcElement) {
		var S = e.srcElement;
	} else {
		var S = e.target;
	}
	while (S.tagName != "TD") {
		S = S.parentElement;
	}
	S.className = "TDout";
}
// ----------------------------------------------------------------
function checkboxall(checkbox, chkName) {
var ch = MM_findObj(chkName);

	if (ch) {
		for(var i = 0; i < ch.length; i++) {
			ch.item(i).checked = checkbox.checked  ? true : false;
		}
	}
}
// ----------------------------------------------------------------
function textCounter(fieldName, countfieldName, maxlimit) {
var field = MM_findObj(fieldName);
var countfield = MM_findObj(countfieldName);

	if (field && countfield) {
		if (field.value.length > maxlimit) { // if too long...trim it!
			field.value = field.value.substring(0, maxlimit);
		// otherwise, update 'characters left' counter
		} else {
			countfield.value = maxlimit - field.value.length;
		}
	}
}
// ----------------------------------------------------------------