function vjoinform()
{ 
 var msg="";
 var obj;
 var form = document.joinform;
 if(trim(form.fullname.value)=="")
   {msg="Please enter your full name";
    obj=form.fullname;
   }
 else if(trim(form.address.value)=="")
   {msg="Please enter a mailing address";
    obj=form.address;
   }
 else if(trim(form.city.value)=="")
   {msg="Please enter a city";
    obj=form.city;
   }
 else if(trim(form.province.value)=="")
   {msg="Please enter a province or state name";
    obj=form.province;
   }
 else if(trim(form.phone.value)=="")
   {msg="Please enter a phone number";
    obj=form.phone;
   }
 
 else if (trim(form.email.value)=="")
   {msg="Please enter an email address ";
    obj=form.email;
   }
 
   
 else if(!emailCheck(form.email.value)) 
   {msg="Please specify a valid e-mail address";
    obj=form.email;
   }
 if(msg!="") 
   {alert(msg);
    obj.focus();
    return false;
   }
 return true;
}


function vcontactform()
{ 
 var msg="";
 var obj;
 var form = document.contactform;
 if(trim(form.fullname.value)=="")
   {msg="Please enter your full name";
    obj=form.fullname;
   }
 
 
 else if (trim(form.email.value)=="")
   {msg="Please enter an email address ";
    obj=form.email;
   }
 
   
 else if(!emailCheck(form.email.value)) 
   {msg="Please specify a valid e-mail address";
    obj=form.email;
   }
 if(msg!="") 
   {alert(msg);
    obj.focus();
    return false;
   }
 return true;
}



function trim(str)
{var first,last;
 for (first=0; first<str.length&&str.charCodeAt(first)==32; first++);
 for (last=str.length; last>first&&str.charCodeAt(last-1)==32; last--);
 return (last>first?str.substr(first,last-first):'');
}

function emailCheck(emailStr) {
emailStr=trim(emailStr);
if(emailStr=='')return false;
if(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 +")*$");
var matchArray=emailStr.match(emailPat);
if (matchArray==null){return false;}
var user=matchArray[1];
var domain=matchArray[2];
var i;
for (i=0; i<user.length; i++)
  {if (user.charCodeAt(i)>127) return false;
  }
for (i=0; i<domain.length; i++)
  {if (domain.charCodeAt(i)>127) return false;
  }
if (user.match(userPat)==null) return false;
var IPArray=domain.match(ipDomainPat);
if (IPArray!=null)
  {for (i=1;i<=4;i++) {if (IPArray[i]>255) return false;}
   return true;
  }
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++)
  {if (domArr[i].search(atomPat)==-1) return false;
  }
if (checkTLD && domArr[domArr.length-1].length!=2
  &&domArr[domArr.length-1].search(knownDomsPat)==-1)
   return false;
if (len<2) return false;
return true;
}