// JavaScript Document

function CheckContact(contact)
{ if(document.contact.requiredname.value == "")
  { alert ("Please enter your name");
	document.contact.branch.focus() == true
	return false; }
  if (document.contact.theemail.value == "")
  { alert ("Please enter your Email");
	document.contact.theemail.focus() == true
	return false; }
  if (document.contact.requiredcomments.value == "")
  { alert ("Please enter your Comments");
	document.contact.requiredcomments.focus() == true
	return false; }
}


function validatethename(field) 
{ var valid = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.- "
  var ok = "yes";
  var temp;
  
  for (var i=0; i<field.value.length; i++) 
  { temp = "" + field.value.substring(i, i+1);
    if (valid.indexOf(temp) == "-1") ok = "no";
  }
  if (ok == "no") 
  { alert("Name entry invalid! Only letters, periods and hyphens are accepted!");
	field.focus();
	field.select();
  }
}


function emailCheck (emailStr) 
{ var arr = new Array('.com','.net','.org','.biz','.coop','.info','.museum','.name', '.pro','.edu','.gov','.int','.mil','.us','.ws','.ARMY.MIL','.AF.MIL','.NAVY.MIL','.MARINES.MIL','.MIL');
  var mai = emailStr;
  var val = true;
  var dot = mai.lastIndexOf(".");
  var dname = mai.substring(0,dot);
  var ext = mai.substring(dot,mai.length);
  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)")
	return false
  }
  var user=matchArray[1]
  var domain=matchArray[2]
  /* if (user.match(userPat)==null) 
  { alert("The part of your email address before the '@' doesn't seem to be valid.")
    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!")
		return false
	  }
    }
    return true
  }
  var domainArray=domain.match(domainPat)
  if (domainArray==null) 
  { alert("Part of your email address after the '@' doesn't seem to be valid")
    return false
  }
  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>6) 
  { alert("The address must end in a top level domain (e.g. .com), or two letter country.")
    return false
  }
  if (len<2) 
  { var errStr="This address is missing a hostname!"
    alert(errStr)
	return false
  }
  
  if(dot>2 && dot<57)
  { for(var i=0; i<arr.length; i++)
	{ if(ext == arr[i])
	  { val = true;
		break; }	
	  else
	  { val = false; }
	}
	if(val == false)
	{ alert("Your domain extension "+ext+" is not correct");
	  return false;
	}
  }
  else
  { alert("Your Domain name is too short/long");
	return false;
  }
  return true;
}