// Copyright c 2001 by Apple Computer, Inc., All Rights Reserved.
//
// You may incorporate this Apple sample code into your own code
// without restriction. This Apple sample code has been provided "AS IS"
// and the responsibility for its operation is yours. You may redistribute
// this code, but you are not permitted to redistribute it as
// "Apple sample code" after having made changes.

// email

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;    
}


// phone number - strip out delimiters and check for 10 digits

function checkPhone (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a phone number.\n";
}

var stripped = strng.replace(/[\(\)\.\-\ ]/g, ''); //strip out acceptable non-numeric characters
    if (isNaN(parseInt(stripped))) {
       error = "The phone number contains illegal characters.";
  
    }
    if (!(stripped.length == 10)) {
	error = "The phone number is the wrong length. Make sure you included an area code.\n";
    } 
return error;
}


// password - between 6-8 chars, uppercase, lowercase, and numeral

function checkPassword (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a password.\n";
}

    var illegalChars = /[\W_]/; // allow only letters and numbers
    
    if ((strng.length < 6) || (strng.length > 8)) {
       error = "The password is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
      error = "The password contains illegal characters.\n";
    } 
    else if (!((strng.search(/(a-z)+/)) && (strng.search(/(A-Z)+/)) && (strng.search(/(0-9)+/)))) {
       error = "The password must contain at least one uppercase letter, one lowercase letter, and one numeral.\n";
    }  
return error;    
}    


// username - 4-10 chars, uc, lc, and underscore only.

function checkUsername (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a username.\n";
}


    var illegalChars = /\W/; // allow letters, numbers, and underscores
    if ((strng.length < 4) || (strng.length > 10)) {
       error = "The username is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
    error = "The username contains illegal characters.\n";
    } 
return error;
}       


// non-empty textbox

function isEmpty(strng,fieldname) {
var error = "";
  if (strng.length == 0) {
//     error = "The mandatory - " +fieldname+" has not been filled in.\n"
     error = fieldname+" has not been filled in.\n"
	// strng.focus();
  }
return error;	  
}

// was textbox altered

function isDifferent(strng) {
var error = ""; 
  if (strng != "Can\'t touch this!") {
     error = "You altered the inviolate text area.\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 == -1) {
    error = "You didn't choose an option from the drop-down list.\n";
    }    
return error;
}    

function checkWholeForm(theForm, formName) {
    var why = "";
	var checkvalue="";
   // alert(theForm);
/*	if (formName == "reg") {
		why += isEmpty(theForm.txtCreatorName.value,'Creator Name');
	    why += isEmpty(theForm.taDesc.value,'Description');
	}
*/
	if (formName == "reg") {
		why += isEmpty(theForm.txtName.value,'Full Name');
	
	    for (i=0, n=theForm.rTitle.length; i<n; i++) {
		    if (theForm.rTitle[i].checked) {
	            checkvalue = theForm.rTitle[i].value;
	    	    break;
	        } 
	    }
	       // alert(checkvalue);

		if (checkvalue == "") {
			
		why += "Choose the Title\n";
		}
	
	    why += isEmpty(theForm.txtEmail.value,'Email Address');
	    why += isEmpty(theForm.txtContact.value,'Contact Number');
	    why += isEmpty(theForm.txtTtype.value,'Travel Document Type');
	    why += isEmpty(theForm.txtTNum.value,'Travel Document Number');
	    why += isEmpty(theForm.txtTPlace.value,'Travel Document Place of Issue');

	
	}
	if (formName == "corp") {
		why += isEmpty(theForm.txtCName.value,'Company Name');
	    why += isEmpty(theForm.txtCAddr.value,'Company Address');
	    why += isEmpty(theForm.txtCBusiness.value,'Company Business');
	    why += isEmpty(theForm.txtContact.value,'Contact Person');
	    why += isEmpty(theForm.txtPos.value,'Postition');
	    why += isEmpty(theForm.txtTel.value,'Contact Number');

		why += checkEmail(theForm.txtEmail.value,'Email Address');
	    why += isEmpty(theForm.txtContact2.value,'Alernative Contact Person');
	    why += isEmpty(theForm.txtTel2.value,'Alternative Contact Number');

	    for (i=0, n=theForm.rJoin.length; i<n; i++) {
		    if (theForm.rJoin[i].checked) {
	            checkvalue = theForm.rJoin[i].value;
	    	    break;
	        } 
	    }
	       // alert(checkvalue);

		if (checkvalue == "") {
			
		why += "Choose the Joining Fee and Payment\n";
		}

	    for (i=0, n=theForm.rTitle.length; i<n; i++) {
		    if (theForm.rTitle[i].checked) {
	            checkvalue = theForm.rTitle[i].value;
	    	    break;
	        } 
	    }
	       // alert(checkvalue);

		if (checkvalue == "") {
			
		why += "Choose the Title\n";
		}


	
	}
		if (formName == "indi") {
		why += isEmpty(theForm.txtName.value,'Name (as on travel document)');
	    why += isEmpty(theForm.txtFName.value,'Family Name');
	    why += isEmpty(theForm.txtGName.value,'Given Name');
	    for (i=0, n=theForm.rGender.length; i<n; i++) {
		    if (theForm.rGender[i].checked) {
	            checkvalue = theForm.rGender[i].value;
	    	    break;
	        } 
	    }
	       // alert(checkvalue);

		if (checkvalue == "") {
			
		why += "Choose the Gender\n";
		}

		why += isEmpty(theForm.txtBirth.value,'Date of Birth');
	    why += isEmpty(theForm.txtNat.value,'Nationality');
	    why += isEmpty(theForm.txtHKId.value,'HKID/Passport No.');
	    why += isEmpty(theForm.txtMail.value,'Mailing Address');
	    why += isEmpty(theForm.txtTel.value,'Telephone');
		why += checkEmail(theForm.txtEmail.value,'Email Address');
		why += isEmpty(theForm.txtContact.value,'Alernative Contact Person');
	    why += isEmpty(theForm.txtTel2.value,'Alternative Contact Number');
	
	    for (i=0, n=theForm.rJoin.length; i<n; i++) {
		    if (theForm.rJoin[i].checked) {
	            checkvalue = theForm.rJoin[i].value;
	    	    break;
	        } 
	    }
	       // alert(checkvalue);

		if (checkvalue == "") {
			
		why += "Choose the Joining Fee and Payment\n";
		}
	
	    for (i=0, n=theForm.rTitle.length; i<n; i++) {
		    if (theForm.rTitle[i].checked) {
	            checkvalue = theForm.rTitle[i].value;
	    	    break;
	        } 
	    }
	       // alert(checkvalue);

		if (checkvalue == "") {
			
		why += "Choose the Title\n";
		}
	

	
	}

		if (formName == "contact") {
		why += isEmpty(theForm.txtName.value,'Name');
	    why += isEmpty(theForm.txtEmail.value,'Email Address');
	    for (i=0, n=theForm.rTitle.length; i<n; i++) {
		    if (theForm.rTitle[i].checked) {
	            checkvalue = theForm.rTitle[i].value;
	    	    break;
	        } 
	    }
	       // alert(checkvalue);

		if (checkvalue == "") {
			
		why += "Choose the Title\n";
		}
		

	
	}

/*
	if (formName == "directory") {
		why += isEmpty(theForm.txtProName.value,'Profile Name');
	    why += isEmpty(theForm.taDesc.value,'Description');
	    why += isEmpty(theForm.txtStreet.value,'Street');
	    why += isEmpty(theForm.txtDist.value,'District');
	//alert(theForm.selCat.selectedIndex);
	    why += checkDropdown(theForm.selArea.selectedIndex);
	    why += isEmpty(theForm.txtContactName.value,'Contact Name');
	    why += isEmpty(theForm.txtContactEmail.value,'Contact Email');
	*/
    /*why += checkRadio(checkvalue);
    why += checkPhone(theForm.phone.value);
    why += checkPassword(theForm.password.value);
    why += checkUsername(theForm.username.value);
    why += isEmpty(theForm.notempty.value);
    why += isDifferent(theForm.different.value);

	
	}
		
    for (i=0, n=theForm.rbAccept.length; i<n; i++) {
        if (theForm.rbAccept[i].checked) {
            var checkvalue = theForm.rbAccept[i].value;
            break;
        } 
    }

	if (checkvalue == "Decline") {
	why += "Please choose accept terms and conditions";
	}
*/
    if (why != "") {
       alert(why);
       return false;
    	}
		return true;
	}
	
function submitForm(frm,frmName) 

	{
		
		//alert("Ttest");
		var tmpfrm = frm;
		var flag = checkWholeForm(tmpfrm,frmName);
		if (flag == true) {
			tmpfrm.submit();
		}
	}