function getBrowser()
  {
  if (navigator.appName == null || navigator.appName == "")
    return "other";
  else if (navigator.appName == "Netscape")
    return "netscape";
  else if (navigator.appName == "Microsoft Internet Explorer")
    return "ie";
  else
    return "other";
  }

function isNetscape()
  {
  if (getBrowser() == "netscape")
    return true;
  else
    return false;
  }

function isIE()
  {
  if (getBrowser() == "ie")
    return true;
  else
    return false;
  }

function getBrowserVer()
  {
  if (navigator.appVersion == null || navigator.appVersion == "")
    return "n/a";

  if (isIE() && navigator.userAgent.indexOf("5.") != -1)
    { 
    var verNum = "";
    var str = navigator.userAgent;
    var pos = str.indexOf("IE ");
    for (pos=pos+3; pos<str.length; pos++)
      if (str.charAt(pos) == "." || 
         (str.charAt(pos) <= "9" && str.charAt(pos) >= "0"))
        verNum += str.charAt(pos);
      else
        break;
    return verNum;
    }
  var verArray = navigator.appVersion.split(" ");
  return verArray[0];
  }

function isVer3()
  {
  if (getBrowserVer() >= 3.0 && getBrowserVer() < 4.0)
    return true;
  else
    return false;
  }

function isVer4()
  {
  if (getBrowserVer() >= 4.0 && getBrowserVer() < 5.0)
    return true;
  else
    return false;
  }

function isVer4up()
  {
  if (getBrowserVer() >= 4.0)
    return true;
  else
    return false;
  }

function isVer5()
  {
  if (getBrowserVer() >= 5.0 && getBrowserVer() < 6.0)
    return true;
  else
    return false;
  }
  
function isVer6()
  {
  if (getBrowserVer() >= 6.0 && getBrowserVer() < 7.0)
    return true;
  else
    return false;
  }


function getPlatform()
  {
  if (navigator.platform == null || navigator.platform == "")
    return "other";
  else if (navigator.platform.indexOf("Mac") >= 0)
    return "mac";
  else if (navigator.platform.indexOf("Win") >= 0)
    return "win";
  else if (navigator.platform.indexOf("Unix") >= 0)
    return "unix";
  else
    return "other";
  }

function isMac()
  {
  if (getPlatform() == "mac")
    return true;
  else
    return false;
  }

function isWin()
  {
  if (getPlatform() == "win")
    return true;
  else
    return false;
  }

function isUNIX()
  {
  if (getPlatform() == "unix")
    return true;
  else
    return false;
  }

//function opener(){
//bName = navigator.appName;
//var sizx=screen.availWidth;
//var sizy=screen.availHeight;
//var coordx = 0;
//var coordy = 0;
//
//if (getScreen() == "800x600 or wider")
//    { url="SIZES/main800x600.html"} ;
//if (getScreen() == "640x480 or wider")
//    { url="SIZES/main640x480.html"} ;
//if (getScreen() == "1024x768 or wider")
//    { url="SIZES/main1024x768.html"} ;
//	if (getScreen() == "1240x932 or wider")
//    { url="SIZES/main1024x768.html"} ;
//
//function NetWins() {
//		mainWin = window.open(url, "mainWin", "width="+sizx+",height="+sizy+",screenX="+coordx+",screenY="+coordy+",status=0,resizeable=no");
//}
//function McsoftWins() {
//		mainWin = window.open(url, "mainWin", "width="+sizx+",height="+sizy+",left="+coordx+",top="+coordy+",status=0,resizeable=no");
//}
//
//	
//  
//
//if(isNetscape()) {
//if (getflash()=="shockwave flash 6 o sup. instalado"){
//		NetWins(url);}else{document.write("<B>Su sistema no cumple los requerimientos del site.<br>descargue e instale los items faltantes.<br>Si desea entrar de todas maneras haga click>>><A href=javascript:NetWins(url)> ENTER</A>  </B><p>");}}
//if (isIE()){
//	if(isVer4up()){
//	McsoftWins(url);}else{document.write("<B>Su sistema no cumple los requerimientos del site.<br><A HREF=http://www.microsoft.com/windows/ie/downloads/ie6/default.asp?FinishURL=%2Fdownloads%2Frelease%2Easp%3Freleaseid%3D32210%26area%3Dtop%26ordinal%3D2%26redirect%3Dno>descargue e instale los items faltantes</A>.<br>Si desea entrar de todas maneras haga click>>><A href=javascript:MacsoftWins(url)> ENTER</A>  </B><p>");}
//}
//}

function getScreen()
{
sw=screen.width;
sh=screen.height;
if (screen.width >= 800 && screen.height == 600 ){ 
  return "800x600 or wider";}
 if (screen.width >= 1024 && screen.height == 768){
    return "1024x768 or wider";}
if (screen.width >= 640 && screen.height == 480){
    return "640x480 or wider";}
	if ( screen.height > 768){
    return "1240x932 or wider";}
  
  }
  
  
function getflash()
{
if (isIE()){
var text="shockwave flash 6 o sup. instalado";
return text;}
if (isNetscape()){var plugin = (navigator.mimeTypes && navigator.mimeTypes["application/x-shockwave-flash"]) ? navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin : 0;
	if ( plugin && parseInt(plugin.description.substring(plugin.description.indexOf(".")-1)) >= 6 ) {// Check for Flash version 5 or greater in Netscape 
return "shockwave flash 6 o sup. instalado";

} else {var args="  <B> <A href='http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash'> download flash plugin  </A></B><p>";
return args;
}


}}