function popUp (windowName, url, width, height, scrollbars, menubar) {

  if (scrollbars==null){
     scrollbars=0;
  }

  if (menubar==null){
     menubar="no";
  }

  open(url, windowName, "width="+width+",height="+height+",status=0,toolbar=0,menubar="+menubar+",resizable=no,location=0,scrollbars="+scrollbars+",left=200,top=200");

}

function checkRadios(formToCheck) {
 var el = formToCheck.elements
 for(var i = 0 ; i < el.length ; ++i) {
  if(el[i].type == "radio") {
   var radiogroup = el[el[i].name]; // get the whole set of radio buttons.
   var itemchecked = false;
   for(var j = 0 ; j < radiogroup.length ; ++j) {
    if(radiogroup[j].checked) {
	 itemchecked = true;
	 break;
	}
   }
   if(!itemchecked) { 
    // alert("Please choose an answer first");
    if(el[i].focus)
     el[i].focus();
	return false;
   }
  }
 }
 return true;
}

function checkEmail(formToCheck) {
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(formToCheck.email.value)) {
  return (true)
}
  alert("Sorry, but it looks like theres a problem with the your email address, Please re-enter and try again.")
  return (false)
}

<!-- Date functions -->

days = new Array();
days[0] = "Sunday";
days[1] = "Monday";
days[2] = "Tuesday";
days[3] = "Wednesday";
days[4] = "Thursday";
days[5] = "Friday";
days[6] = "Saturday";

months=new Array();
months[0] = "January";
months[1] = "February";
months[2] = "March";
months[3] = "April";
months[4] = "May";
months[5] = "June";
months[6] = "July";
months[7] = "August";
months[8] = "September";
months[9] = "October";
months[10] = "November";
months[11] = "December";

function showDate() {

  var fullDate = new Date();
  var day = days[fullDate.getDay()];
  var date = fullDate.getDate();
  var month = months[fullDate.getMonth()];
  var year = fullDate.getFullYear();

  if(date==1||date==21||date==31) {
    ender="st";
  } else if(date==2||date==22) {
    ender="nd";
  } else if(date==3||date==23) {
    ender="rd";
  } else {
    ender="th";
  }

  return(" " + day + ", " + month + " " + date + ender + " " + year);

}