function validate()
{
if (document.registerform.company.value=="")
{alert('Please enter your company name            '); document.registerform.company.focus(); return false;}

if (document.registerform.abn.value=="")
{alert('Please enter your ABN or company no.            '); document.registerform.abn.focus(); return false;}

if (document.registerform.contactperson.value=="")
{alert('Please enter your contact name            '); document.registerform.contactperson.focus(); return false;}

if (document.registerform.position.value=="")
{alert('Please enter your position in the company            '); document.registerform.position.focus(); return false;}

if (document.registerform.address.value=="")
{alert('Please enter your delivery address            '); document.registerform.address.focus(); return false;}

if (document.registerform.suburb.value=="")
{alert('Please enter your suburb            '); document.registerform.suburb.focus(); return false;}

if (document.registerform.state.value=="")
{alert('Please enter your state            '); document.registerform.state.focus(); return false;}

if (document.registerform.postcode.value=="")
{alert('Please enter your post code            '); document.registerform.postcode.focus(); return false;}

if (document.registerform.country.value=="")
{alert('Please select your country            '); document.registerform.country.focus(); return false;}

if (document.registerform.contactmethod.value=="")
{alert('Please choose a contact method            '); document.registerform.contactmethod.focus(); return false;}

if (!document.registerform.agree.checked) {alert('Please read and agree to the Trading Agreement            '); document.registerform.agree.focus(); return false;}

if (document.registerform.phone.value=="" && document.registerform.mobile.value=="")
{alert('Please enter Phone or Mobile phone number            '); document.registerform.phone.focus(); return false;}

if (document.registerform.ref1.value=="" || document.registerform.ref2.value=="" || document.registerform.ref3.value=="")
{alert('Please name three companies with\nwhom you have a trade relationship            '); document.registerform.ref1.focus(); return false;}

if (document.registerform.ref1ph.value=="" || document.registerform.ref2ph.value=="" || document.registerform.ref3ph.value=="")
{alert('Please enter contact phone numbers for your credit references            '); document.registerform.ref1ph.focus(); return false;}

if (document.registerform.phone.value!="")
{return digitvalidation(document.registerform.phone, 9, 12,'Please re-enter Phone number.\nArea code (ie. NSW = 02)            \nand numbers only - NO SPACES            ',''); document.registerform.phone.focus(); return false;}

if (document.registerform.mobile.value!="")
{return digitvalidation(document.registerform.mobile, 9, 12,'Please re-enter Mobile phone number.\nArea code (ie. 04)            \nand numbers only - NO SPACES            ',''); document.registerform.mobile.focus(); return false;}
}


function digitvalidation(entered, min, max, alertbox, datatype)
{
with (entered)
{
checkvalue=parseFloat(value);
if (datatype)
  {smalldatatype=datatype.toLowerCase();
   if (smalldatatype.charAt(0)=="i") {checkvalue=parseInt(value); if (value.indexOf(".")!=-1) {checkvalue=checkvalue+1}};
  }
if ((parseFloat(min)==min && value.length<min) || (parseFloat(max)==max && value.length>max) || value!=checkvalue)
{if (alertbox!="") {alert(alertbox);} return false;}
else {return true;}
}
}


function emailvalidation(entered, alertbox)
{
with (entered)
{
apos=value.indexOf("@");
dotpos=value.lastIndexOf(".");
lastpos=value.length-1;
if (apos<1 || dotpos-apos<2 || lastpos-dotpos>3 || lastpos-dotpos<2) 
{if (alertbox) {alert(alertbox);} return false;}
else {return true;}
}
}