function OtherSol(inp) {
  var fld = document.getElementById('othersol_text');
  fld.style.display = '';

  if (inp.checked==false) {
    fld.value = '';
    fld.style.display = 'none';
  }
}

function SolutionTime(inp){
  var fld = document.getElementById('lb_soltimeframe');
  fld.style.display = (inp.value=='yes')? "": "none";
}

function emailCheck (emailStr) {
/* The following pattern is used to check if the entered e-mail address
   fits the user@domain format.  It also is used to separate the username
   from the domain. */
var emailPat=/^(.+)@(.+)$/
/* The following string represents the pattern for matching all special
   characters.	We don't want to allow special characters in the address.
   These characters include ( ) < > @ , ; : \ " . [ ]	 */
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
/* The following string represents the range of characters allowed in a
   username or domainname.  It really states which chars aren't allowed. */
var validChars="\[^\\s" + specialChars + "\]"
/* The following pattern applies if the "user" is a quoted string (in
   which case, there are no rules about which characters are allowed
   and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
   is a legal e-mail address. */
var quotedUser="(\"[^\"]*\")"
/* The following pattern applies for domains that are IP addresses,
   rather than symbolic names.	E.g. joe@[123.124.233.4] is a legal
   e-mail address. NOTE: The square brackets are required. */
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
/* The following string represents an atom (basically a series of
   non-special characters.) */
var atom=validChars + '+'
/* The following string represents one word in the typical username.
   For example, in john.doe@somewhere.com, john and doe are words.
   Basically, a word is either an atom or quoted string. */
var word="(" + atom + "|" + quotedUser + ")"
// The following pattern describes the structure of the user
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
/* The following pattern describes the structure of a normal symbolic
   domain, as opposed to ipDomainPat, shown above. */
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")


/* Finally, let's start trying to figure out if the supplied address is
   valid. */

/* Begin with the coarse pattern to simply break up user@domain into
   different pieces that are easy to analyze. */
var matchArray=emailStr.match(emailPat)
if (matchArray==null) {
  /* Too many/few @'s or something; basically, this address doesn't
     even fit the general mould of a valid e-mail address. */
	return false
}
var user=matchArray[1]
var domain=matchArray[2]

// See if "user" is valid
if (user.match(userPat)==null) {
    // user is not valid
    return false
}

/* if the e-mail address is at an IP address (as opposed to a symbolic
   host name) make sure the IP address is valid. */
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
    // this is an IP address
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
		return false
	    }
    }
    return true
}

// Domain is symbolic name
var domainArray=domain.match(domainPat)
if (domainArray==null) {
    return false
}

/* domain name seems valid, but now make sure that it ends in a
   three-letter word (like com, edu, gov) or a two-letter word,
   representing country (uk, nl), and that there's a hostname preceding
   the domain or country. */

/* Now we need to break up the domain to get a count of how many atoms
   it consists of. */
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length

if (domArr[domArr.length-1].length<2 ||
    domArr[domArr.length-1].length>3) {
   // the address must end in a two letter or three letter word.
   return false
}

// Make sure there's a host name preceding the domain.
if (len<2) {
   return false
}

 
// If we've gotten this far, everything's valid!
return true;
}



function emailCheckCorporate (emailStr) {

/* The following pattern is used to check if the entered e-mail address
   does not come from a non-corporate email domain.   
 */
 
   var emailstr=document.form1.email.value.toLowerCase();
   var emailstoblock= new Array("yahoo.com","gmail.com","msn.com","aol.com","hotmail.com","msn.net");
 
   for (i=0;i<emailstoblock.length;i++)
   {
	 //alert(emailstoblock[i]);
	 if (emailstr.search(emailstoblock[i]) != -1)  {
    	return(false);
	}
   }
  

// If we've gotten this far, everything's valid!
return true;
}

function resetit() {
  document.form1.othersol_text.style.display='none';
  document.form1.soltimeframe.style.display='none'; 
}

function checkit() {
  countryRegex = /^(Cuba|Sudan|Korea \(North\)|Syria)/i;
  if (document.form1.firstname.value == '') {
    alert("Please fill in your first name");
    return(false);
  }
  else if (document.form1.lastname.value == '') {
    alert("Please fill in your last name");
    return(false);
  }
  else if (document.form1.company.value=='') {
    alert("Please fill in your company name");
    return(false);
  }
  else if (document.form1.title.value==''){
    alert("Please fill in your title");
    return(false);
  }
  else if (document.form1.email.value=='') {
    alert("Please fill in your email address");
    return(false);
  }
  else if (!emailCheck(document.form1.email.value)) {
    alert ("Please fill in a valid email address");
    return(false);
  }
  else if (!emailCheckCorporate(document.form1.email.value)) {
    alert ("Sorry, we cannot accept free email accounts such as yahoo, gmail or hotmail for the virtual trial request.");
    return(false);
  }
  else if (document.form1.phone.value=='') {
    alert("Please fill in your phone number");
    return(false);
  }
  else if (document.form1.url.value=='') {
    alert("Please fill in your Company's url");
    return(false);
  }
  else if (document.form1.country.value == '') {
    alert("Please specify your country");
    return(false);
  }
  else if (document.form1.country.value.match(countryRegex)) {
    alert("Sorry. This service currently not available.\nPlease try again later.");
    return(false);
  } 
  else if (document.form1.transfersol_security.checked==false && document.form1.transfersol_compliance.checked==false && document.form1.transfersol_size.checked==false && document.form1.transfersol_email.checked==false && document.form1.transfersol_ftp.checked==false && document.form1.transfersol_cost.checked==false && document.form1.alloftheabove.checked==false && document.form1.transfersol_others.checked==false) {
    alert("Please specify the Issues with current file transfer");
    return(false);
  }
  else if (document.form1.transfersol_others.checked == true && document.form1.othersol_text.value=='') {
    alert("Please enter the other issues you have with current file transfer solutions");
    return(false);
  }
  else if (document.form1.employee && document.form1.employee.value == 0) {
    alert("Please select number of employee in your company");
    return(false);
  }
  else if (document.form1.potential_user && document.form1.potential_user.value == 0) {
    alert("Please select number of potential users");
    return(false);
  }
  else if (document.form1.soltimeframe && document.form1.soltimeframe.value == 0) {
    alert("Please let us know the time frame you are looking for a file transfer solution?");
    return(false);
  }
  else if (document.form1.transfer_file && document.form1.transfer_file.value == 0) {
    alert("Please specify % of files needing transfer larger than 10MB");
    return(false);
  }
  else if (document.form1.issues && document.form1.issues.value =='') {
    alert("Please state issues or concerns over the existing file transfer solutions");
    return(false);
  }
  return (true);
}