function verify() {
  var u1 = document.getElementById('UN1').value
  var u2 = document.getElementById('UN2').value
  var p1 = document.getElementById('PW1').value
  var p2 = document.getElementById('PW2').value
  var sq = document.getElementById('SecurQ')[document.getElementById('SecurQ').selectedIndex].value
  var sa = document.getElementById('SecurA').value
  if (u1.length < 1) {
    alert ("Please enter an email address for User Name")
	return false
  } else {
    if (u1 != u2) {
      alert ("The email addresses do not match")
	  return false
    } else {
	  emailkill = false;
      emailCheck(u1);
      if (emailkill == true) {
	    return false;
      } else {
	    if (p1.length < 6) {
          alert ("The password must be at least 6 characters")
	      return false		
		} else {
	      if (p1 != p2) {
            alert ("The passwords do not match")
	        return false
		  } else {	  
		  	var alphaExp = /^[0-9a-zA-Z]+$/;
            var matchArray=p1.match(alphaExp);
            if (matchArray==null) {
              alert ("The password can be numbers and letters only")
	          return false			  
			} else {
			  if (sq == "None") {
                alert ("Please select a security question")
	            return false					    
			  } else {
			    if (sa.length < 1) {
                  alert ("Please select a security answer")
	              return false				  
			    } else {
				  var chosen = ""
  				  var len = document.frmmain.subscription.length
  				  for (var i = 0; i <len; i++) {
    			    if (document.frmmain.subscription[i].checked) {
      				  chosen = document.frmmain.subscription[i].value
    				}
  				  }
				  if (chosen == "") {
                    alert ("Please select the length of the subscription")
	                return false					  
				  } else {
				    if (document.getElementById('agree').checked == false) {
                      alert ("You must agree to the Terms & Conditions and Privacy Statement")
	                  return false	 					
					} else {
				      return true
					}
				  }
				}
			  }
			}
		  }
		}
	  }
	}  
  }  
}
<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<!-- V1.1.3: Sandeep V. Tamhankar (stamhankar@hotmail.com)  -->
<!-- Original:  Sandeep V. Tamhankar (stamhankar@hotmail.com) -->
<!-- This script has been modified slightly for use here    -->
<!-- Designer: Robert A. Metcalf (ovinuppi@ovinuppi.com)    -->
<!-- Get a clean copy at the above address                  -->
function emailCheck (emailStr) {
var checkTLD=1;
var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
var emailPat=/^(.+)@(.+)$/;
var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
var validChars="\[^\\s" + specialChars + "\]";
var quotedUser="(\"[^\"]*\")";
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
var atom=validChars + '+';
var word="(" + atom + "|" + quotedUser + ")";
var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
var matchArray=emailStr.match(emailPat);
if (matchArray==null) {
alert("Email address seems incorrect (check @ and .'s)");
emailkill = true;
return false;
}
var user=matchArray[1];
var domain=matchArray[2];
for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
alert("Ths username contains invalid characters.");
emailkill = true;
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
alert("Ths domain name contains invalid characters.");
emailkill = true;
return false;
   }
}
if (user.match(userPat)==null) {
alert("The username doesn't seem to be valid.");
emailkill = true;
return false;
}
var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {
for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("Destination IP address is invalid!");
emailkill = true;
return false;
   }
}
event.returnValue=true;
}
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
alert("The domain name does not seem to be valid.");
emailkill = true;
return false;
   }
}
if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
alert("The address must end in a well-known domain or two letter " + "country.");
emailkill = true;
return false;
}
if (len<2) {
alert("This address is missing a hostname!");
emailkill = true;
return false;
}
}
function makevalue() {
  var chosen = ""
  var len = document.frmmain.subscription.length
  for (var i = 0; i <len; i++) {
    if (document.frmmain.subscription[i].checked) {
      chosen = document.frmmain.subscription[i].value
    }
  }
  var sdays = chosen * 20
  var sprice = chosen * 10 + 1.50
  var fsprice = sprice.toFixed(2);
  var outstr = ""
  if (chosen == 1) {
    outstr = "Subscription " + chosen + " month (" + sdays + " trading days) - $" + fsprice
  } else {
    outstr = "Subscription " + chosen + " months (" + sdays + " trading days) - $" + fsprice
  }
  document.getElementById('myout').innerHTML = outstr
}