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

var gSafeOnload = new Array();
function addOnload(func)
{
  // IE 4.5 blows out on testing window.onload
  if (IEmac && IE4)  {
    window.onload = safeOnload;
    gSafeOnload[gSafeOnload.length] = func;
  }
  else if (window.onload) {
    if (window.onload != safeOnload) {
      gSafeOnload[0] = window.onload;
      window.onload = safeOnload;
    }
        gSafeOnload[gSafeOnload.length] = func;
    }
    else {
        window.onload = func;
    }
}

function safeOnload()
{
    for (var i=0; i < gSafeOnload.length; i++) {
        gSafeOnload[i]();
    }
}