function SendForm(theForm, type) {
	 var why = "";
	 why += checkName(theForm.Name.value);
     why += checkEmail(theForm.email.value);
	 if(type!="Email") {
	 	if(type=="Postal") why += checkAddress(theForm.Feedback.value);
	 	else if(type=="PostPhone") why += checkAddressPhone(theForm.Feedback.value);
		else if(type=="Sample") why += checkPhone(theForm.Phone.value) + checkAddress(theForm.Feedback.value);
	 	else if(type=="Comment") why += checkComments(theForm.Feedback.value);
		else if(type="catalogue"){
		    if(theForm.address1.value == "")  why += "Please enter your address.\n";
			if(theForm.suburb.value == "")  why += "Please enter your Suburb.\n";
			if(theForm.state.value == "")  why += "Please enter your State.\n";
			if(theForm.postcode.value == "")  why += "Please enter your Postcode.\n";
		}
	 }
	 
	 if (why != "") alert(why);	
	 else theForm.submit();
}

function checkEmail (strng) {
var error="";
if (strng == "") {
   error = "You didn't enter an email address.\n";
}

    var emailFilter=/^.+@.+\..{2,3}$/;
    if (!(emailFilter.test(strng))) { 
       error = "Please enter a valid email address.\n";
    }
    else {
//test email for illegal characters
       var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
         if (strng.match(illegalChars)) {
          error = "The email address contains illegal characters.\n";
       }
    }
return error;    
}

function checkName(strng) {
var error = "";
  if(strng == "") error = "Please enter your name.\n";
return error;	  
}

function checkAddress(strng) {
var error = "";
  if(strng == "") error = "Please enter your postal address.\n";
return error;	  
}
function checkAddress2(strng) {
var error = "";
  if(strng == "") error = "Please complete your postal address.\n";
return error;	  
}

function checkAddressPhone(strng) {
var error = "";
  if(strng == "") error = "Please enter your postal address and telephone.\n";
return error;	  
}

function checkComments(strng) {
var error = "";
  if(strng == "") error = "Please enter your comments.\n";
return error;	  
}

// exactly one radio button is chosen
function checkRadio(checkvalue) {
var error = "";
   if (!(checkvalue)) {
       error = "Please check a radio button.\n";
    }
return error;
}

// valid selector from dropdown list
function checkDropdown(choice) {
var error = "";
    if (choice == 0) {
    error = "You didn't choose an option from the drop-down list.\n";
    }    
return error;
}    

//Check for phone number entered
function checkPhone(strng) {
var error = "";
  if(strng == "") error = "Please enter your telephone.\n";
return error;	  
}