function formhash(form, password) {
    // Create a new element input, this will be our hashed password field. 
    var p = document.createElement("input");
 
    // Add the new element to our form. 
    form.appendChild(p);
    p.name = "p";
    p.type = "hidden";
    p.value = hex_sha512(password.value);
 
    // Make sure the plaintext password doesn't get sent.
    password.value = replacePW(password);
 
    // Finally submit the form. 
    form.submit();
}
 
function regformhash(form, uid, email, password, conf, validation) {
     // Check each field has a value
    if (uid.value == ''         || 
          email.value == ''     || 
          password.value == ''  || 
          conf.value == '' || 
          validation.value == '') {
 
        // alert('You must provide all the requested details. Please try again');
        return false;
    }
	
	// Check the email
	if (!checkemail(email.value)) {
		// alert("Email address is not valid");
		return false;
	}

    // Check the username
    re = /^\w+$/; 
    if(!re.test(form.username.value)) { 
        alert("Username must contain only letters, numbers and underscores. Please try again"); 
        form.username.focus();
        return false; 
    }
 
    // Check that the password is sufficiently long (min 6 chars)
    // The check is duplicated below, but this is included to give more
    // specific guidance to the user
    if (password.value.length < 6) {
        // alert('Passwords must be at least 6 characters long.  Please try again');
        form.password.focus();
        return false;
    }
 
    // At least one number, one lowercase and one uppercase letter 
    // At least six characters 
 
    var re = /(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{6,}/; 
    if (!re.test(password.value)) {
        // alert('Passwords must contain at least one number, one lowercase and one uppercase letter.  Please try again');
        return false;
    }
 
    // Check password and confirmation are the same
    if (password.value != conf.value) {
        // alert('Your password and confirmation do not match. Please try again');
        form.password.focus();
        return false;
    }
    // Create a new element input, this will be our hashed password field. 
    var p = document.createElement("input");
 
    // Add the new element to our form. 
    form.appendChild(p);
    p.name = "p";
    p.type = "hidden";
    p.value = hex_sha512(password.value);
 
    // Make sure the plaintext password doesn't get sent. 
    password.value = replacePW(password);
    conf.value = replacePW(password);
 
    // Finally submit the form. 
    // form.submit();
    return true;
} 

function resetformhash(form, password, conf) {
     // Check each field has a value
    if (password.value == ''  || 
          conf.value == '') {
 
        // alert('You must provide all the requested details. Please try again');
        return false;
    }
 
    // Check that the password is sufficiently long (min 6 chars)
    // The check is duplicated below, but this is included to give more
    // specific guidance to the user
    if (password.value.length < 6) {
        // alert('Passwords must be at least 6 characters long.  Please try again');
        form.password.focus();
        return false;
    }
 
    // At least one number, one lowercase and one uppercase letter 
    // At least six characters 
 
    var re = /(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{6,}/; 
    if (!re.test(password.value)) {
        // alert('Passwords must contain at least one number, one lowercase and one uppercase letter.  Please try again');
        return false;
    }
 
    // Check password and confirmation are the same
    if (password.value != conf.value) {
        // alert('Your password and confirmation do not match. Please try again');
        form.password.focus();
        return false;
    }
    // Create a new element input, this will be our hashed password field. 
    var p = document.createElement("input");
 
    // Add the new element to our form. 
    form.appendChild(p);
    p.name = "p";
    p.type = "hidden";
    p.value = hex_sha512(password.value);
 
    // Make sure the plaintext password doesn't get sent. 
    password.value = replacePW(password);
    conf.value = replacePW(password);
 
    // Finally submit the form. 
    // form.submit();
    return true;
} 

function replacePW(password) {
	var str=password.value;
	var pLen=str.length;  
	var dummy="";
	var upper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	var lower = "abcdefghijklmnopqrstuvwxyz";
	var numbers = "A0123456789";
	var special = "$/@^%&*()!";
	dummy += upper.charAt(Math.floor(Math.random() * upper.length));
	dummy += lower.charAt(Math.floor(Math.random() * lower.length));
	dummy += numbers.charAt(Math.floor(Math.random() * numbers.length));
	dummy += special.charAt(Math.floor(Math.random() * special.length));
	
    for( var i=0; i < n; i++ )
        dummy += lower.charAt(Math.floor(Math.random() * lower.length));
	
	return dummy;
}

function checkemail(str){
var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
if (filter.test(str))
testresults=true
else{
// alert("Please input a valid email address!")
testresults=false
}
return (testresults)
}

function verify_delete(form,type) {
	var recname=form.name.value;
	var message="Are you sure you want to delete record for " + recname + "?";
	if (type=='product') { 
		message="Are you sure you want to permanently delete record for " + recname + "?\n\n(To make unavailable, uncheck the top box in product page.)";
	}
	if (confirm(message)) {
		form.action='delete_'+type+'.html'; form.submit()
	}
	else {
		return false; //will not submit the form
	}
}