// Browser Detection
isMac = (navigator.appVersion.indexOf("Mac")!=-1) ? true : false;
NS4 = (document.layers) ? true : false;
IEmac = ((document.all)&&(isMac)) ? true : false;
IE4plus = (document.all) ? true : false;
IE4 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 4.")!=-1)) ? true : false;
IE5 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 5.")!=-1)) ? true : false;
ver4 = (NS4 || IE4plus) ? true : false;
NS6 = (!document.layers) && (navigator.userAgent.indexOf('Netscape')!=-1)?true:false;

// Body onload utility (supports multiple onload functions)
var gSafeOnload = new Array();
function SafeAddOnload(f)
{
  if (IEmac && IE4)  // IE 4.5 blows out on testing window.onload
  {
    window.onload = SafeOnload;
    gSafeOnload[gSafeOnload.length] = f;
  }
  else if  (window.onload)
  {
    if (window.onload != SafeOnload)
    {
      gSafeOnload[0] = window.onload;
      window.onload = SafeOnload;
    }   
    gSafeOnload[gSafeOnload.length] = f;
  }
  else
    window.onload = f;
}
function SafeOnload()
{
  for (var i=0;i<gSafeOnload.length;i++)
    gSafeOnload[i]();
}