HM_DOM = (document.getElementById) ? true : false;
HM_NS4 = (document.layers) ? true : false;
HM_IE = (document.all) ? true : false;
HM_IE4 = HM_IE && !HM_DOM;
HM_Mac = (navigator.appVersion.indexOf("Mac") != -1);
HM_IE4M = HM_IE4 && HM_Mac;
HM_IsMenu = (HM_DOM || HM_NS4 || (HM_IE4 && !HM_IE4M));

HM_BrowserString = HM_NS4 ? "NS4" : HM_DOM ? "DOM" : "IE4";

if(window.event + "" == "undefined") event = null;
function HM_f_PopUp(){return false};
function HM_f_PopDown(){return false};
popUp = HM_f_PopUp;
popDown = HM_f_PopDown;

HM_PG_MenuWidth = 90;
HM_PG_FontFamily = "Tahoma";
HM_PG_FontSize = 7;
HM_PG_FontBold = 1;
HM_PG_FontItalic = 0;
HM_PG_FontColor = "white";
HM_PG_FontColorOver = "white";
HM_PG_BGColor = "#336699";
HM_PG_BGColorOver = "#FFCCCC";
HM_PG_ItemPadding = 1;

HM_PG_BorderWidth = 1;
HM_PG_BorderColor = "#336699";
HM_PG_BorderStyle = "solid";
HM_PG_SeparatorSize = 1;
HM_PG_SeparatorColor = "#336699";
HM_PG_ImageSrc = "Images/tri.gif";
HM_PG_ImageSrcLeft = "";

HM_PG_ImageSize = 5;
HM_PG_ImageHorizSpace = 0;
HM_PG_ImageVertSpace = 2;

HM_PG_KeepHilite = true;
HM_PG_ClickStart = 0;
HM_PG_ClickKill = false;
HM_PG_ChildOverlap = 20; //0
HM_PG_ChildOffset = 2; //-1
HM_PG_ChildPerCentOver = null;
HM_PG_TopSecondsVisible = 2;//.5;
HM_PG_StatusDisplayBuild =1;
HM_PG_StatusDisplayLink = 0;
HM_PG_UponDisplay = null;
HM_PG_UponHide = null;
HM_PG_RightToLeft = false;

HM_PG_CreateTopOnly = 1;
HM_PG_ShowLinkCursor = 1;
HM_PG_NSFontOver = true;

SELECT_DISPLAY=true;

//Función para habilitar o deshabilitar los elementos SELECT
function ChangeSelect(on)
{
if (SELECT_DISPLAY==on) return;
  SELECT_DISPLAY=on;

  if (typeof document.forms[0] == 'undefined') return;

  IE4 = document.all;
if(IE4)
{
for(i=0;i<document.forms[0].length;i++)
{
  elemento = document.forms[0].elements[i];
  if((elemento.type=="select-one") || (elemento.type=="select-multiple"))
  {
if(on) elemento.style.visibility  = "visible"; else elemento.style.visibility = "hidden";
  }
}
}
Else
{
/*    alert(ocultar.id);
for(i=0;i<document.layers.length;i++)
{
elemento = document.layers[i];
alert(elemento.id);
if((elemento.id=="ocultar"))
{
if(on) ocultar.visibility  = "show"; else ocultar.visibility = "hide";
  }
}
*/
if(document.layers)
{
elemento= document.ocultar;
alert(elemento);
}
}
}

// the following function is included to illustrate the improved JS expression handling of
// the left_position and top_position parameters
// you may delete if you have no use for it

function HM_f_CenterMenu(topmenuid) {
var TheMenu = HM_DOM ? document.getElementById(topmenuid) : HM_IE4 ? document.all(topmenuid) : eval("window." + topmenuid);
var TheMenuWidth = HM_DOM ? parseInt(TheMenu.style.width) : HM_IE4 ? TheMenu.style.pixelWidth : TheMenu.clip.width;
var TheWindowWidth = HM_IE ? document.body.clientWidth : window.innerWidth;
return ((TheWindowWidth-TheMenuWidth) / 2);
}

if(HM_IsMenu) {
document.write("<SCR" + "IPT LANGUAGE='JavaScript1.2' SRC='JavaScript/HM_Arrays_1.js' TYPE='text/javascript'><\/SCR" + "IPT>");
document.write("<SCR" + "IPT LANGUAGE='JavaScript1.2' SRC='JavaScript/HM_Script"+ HM_BrowserString +".js' TYPE='text/javascript'><\/SCR" + "IPT>");
}

//end