try {
	$('id');
} catch(e) {
	$ = function(id) {
		return document.getElementById(id);
	}
}
function loadImages() {
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=loadImages.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 restoreImage() {
  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 locateImage(n, d) {
  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=locateImage(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function rollImage() {
  var i,j=0,x,a=rollImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=locateImage(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function sb_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function checkEmail(myForm) {
  if (! /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(myForm.email.value) ) 
  {
  	alert("The email field is either blank or in an incorrect format. Please check the email field and try again.");
	return (false);
  }
    // check the DOB
    if ($('dobMM').selectedIndex == 0 || $('dobDD').selectedIndex == 0 || $('dobYY').selectedIndex == 0) { 
    	alert('Please enter a valid Date of Birth.'); 
    	return false;
    }
    return true;
}

function confirm_submit(){
    msg = "Click OK to send this email to the mailing list.";
    return confirm(msg);
}