function isNumeric(e) {
  if (e.keyCode < 48 || e.keyCode > 57) {
    return false;
  }
}

function isValidEmail(anEmailField) {
  return (anEmailField.indexOf(".") > 2) && (anEmailField.indexOf("@") > 0);
}

function isEmpty(aTextField) {
  if (aTextField.value == "" || aTextField.value == null || aTextField.value.length==0) {
    return true;
  }
  else { 
    return false; 
  }
}

function displayDate() {
  var dayArray=new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
  var monthArray=new Array("January","February","March","April","May","June","July","August","September","October","November","December");
  var d=new Date();
  document.write(dayArray[d.getDay()] + ", ");
  document.write(d.getDate() + " ");
  document.write(monthArray[d.getMonth()] + " ");
  document.write(d.getFullYear());
}

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_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

function addBookmark(bookmarkUrl,bookmarkTitle) {
  if (document.all) {
    window.external.AddFavorite(bookmarkUrl,bookmarkTitle);
	}
}

function setHome(theDoc, theLoc) {
  if (document.all) {
    theDoc.style.behavior='url(#default#homepage)';
    theDoc.setHomePage(theLoc);
	}
}