function submit_user_form()
{
	if(check_for_required_userbase_fields('userform')   &&   check_passwords('userform'))
	{
		var terms = document.getElementById("agreetoterms");
		if(terms)
		{
			if(terms.checked)
				document.getElementById('userform').submit();
			else
				alert("You must check the Terms & Conditions checkbox to indicate your acceptance of the terms.");
		}
		else
		{
			document.getElementById('userform').submit();
		}
	}
	else { return false; }
}

function submit_customfield_form()
{
	if(check_for_required_userbase_fields('customfieldform'))
	{
		document.getElementById('customfieldform').submit();
	}
	else { return false; }
}

function check_passwords(form_id)
{
	var pw1 = document.getElementById('ubpw1');
	var pw2 = document.getElementById('ubpw2');
	var passwords_ok = 0;

	// Note: if one exists, both do; and if one's required, both are.

	if(!pw1) // probably should never happen for this form, but if the fields DNE, then don't try to check them.
	{
		passwords_ok = 1;
	}
	else if(pw1.className.indexOf('required') == -1   &&   pw1.value == ''   &&   pw2.value == '')
	{
		passwords_ok = 1;
	}
	else if(pw1.value != pw2.value)
	{
		alert("Passwords do not match.");
	}
	else if((pw1.value.length < 5)   ||   (pw2.value.length < 5))
	{
		alert("Password too short; the minimum length is 5.");
	}
	else if((pw1.value.length > 50)   ||   (pw2.value.length > 50))
	{
		alert("Password too long; the maximum length is 50.");
	}
	else
	{
		passwords_ok = 1;
	}

	return passwords_ok;
}

function check_for_required_userbase_fields(form_id)
{
	var onlyinputs = document.getElementById(form_id).getElementsByTagName('input');
	var selects = document.getElementById(form_id).getElementsByTagName('select');
	var textareas = document.getElementById(form_id).getElementsByTagName('textarea');
	var inputs = new Array;
	var i = 0;
	for(i = 0; i < onlyinputs.length; i++)
	{
		inputs[i] = onlyinputs[i];
	}
	var j = 0;
	for(j = 0; j < selects.length; j++)
	{
		inputs[i + j] = selects[j];
	}
	var k = 0;
	for(k = 0; k < textareas.length; k++)
	{
		inputs[i + j + k] = textareas[k];
	}

	var items_missing = 0;
	var email_format_incorrect = 0;
	var radios = new Object;
	var radios_checked = new Object;
	var unchecked_radio = '';

	for(i = 0; i < inputs.length; i++)
	{
		if(inputs[i].type == 'radio')
		{
			radios[inputs[i].name] = 1;
			if(inputs[i].checked)
				radios_checked[inputs[i].name] = 1;
		}
		if(inputs[i].className.indexOf('required') != -1   &&   (inputs[i].value == '' || inputs[i].value == undefined))
		{
			inputs[i].style.background	= '#ffdd00';
			inputs[i].style.color		= '#000';
			items_missing = 1;
		}
		else if(inputs[i].className.indexOf('emailformat') != -1   &&   !inputs[i].value.match( /.+@.+\..+/ ))
		{
			inputs[i].style.background	= '#ffdd00';
			inputs[i].style.color		= '#000';
			email_format_incorrect = 1;
		}
		else
		{
			inputs[i].style.background	= inputs[i].type == 'radio' || inputs[i].type == 'checkbox' || inputs[i].type == 'button' || inputs[i].type == 'submit' ? 'transparent' : '#ffffff';
			inputs[i].style.color		= '#000';
		}
	}

	for (var j in radios)
	{
		if(!radios_checked[j])
			unchecked_radio = j;
	}

	if(items_missing)
	{
		alert("Please fill in the required item(s).");
	}
	else if(email_format_incorrect)
	{
		alert("Please enter a valid email address.");
	}
	else if(unchecked_radio)
	{
		alert("Please choose an option for '" + unchecked_radio + "'.");
	}
	else
	{
		return 1;
	}

	return 0;
}

function focus_username_field()
{
	if(document.getElementById("ubun"))
	{
		document.getElementById("ubun").focus();
	}
}

function show_hide_rows()
{
	var MSIE = navigator.userAgent.indexOf("MSIE") == -1 ? 0 : 1; // IE doesn't support table-row...
	var Enabled = MSIE  ? 'block' : 'table-row';

	if(document.getElementById("ub_datatype").value == 'varchar')
		document.getElementById("ub_fieldmax_row").style.display = Enabled;
	else
		document.getElementById("ub_fieldmax_row").style.display = 'none';

	var fieldtype = document.getElementById("ub_fieldtype").value;

	var mandatory_row = document.getElementById("ub_mandatory_row").style;
	var limitallowedchars_row = document.getElementById("ub_limitallowedchars_row").style;
	var allowedchars_row = document.getElementById("ub_allowedchars_row").style;
	var allowedcharsmsg_row = document.getElementById("ub_allowedcharsmsg_row").style;
	var listitems_row = document.getElementById("ub_listitems_row").style;

	if(fieldtype.indexOf('freeform') != -1)
	{
		mandatory_row.display = Enabled;
		limitallowedchars_row.display = Enabled;
		allowedchars_row.display = Enabled;
		allowedcharsmsg_row.display = Enabled;
		listitems_row.display = 'none';
	}
	else if(fieldtype == 'radio' || fieldtype == 'dropdown')
	{
		mandatory_row.display = Enabled;
		limitallowedchars_row.display = 'none';
		allowedchars_row.display = 'none';
		allowedcharsmsg_row.display = 'none';
		listitems_row.display = Enabled;
	}
	else if(fieldtype == 'checkbox')
	{
		mandatory_row.display = 'none';
		limitallowedchars_row.display = 'none';
		allowedchars_row.display = 'none';
		allowedcharsmsg_row.display = 'none';
		listitems_row.display = 'none';
	}



}

function schedule_onload_action(newfunc)
{
	var already_scheduled = window.onload;
	if(typeof window.onload != 'function')
	{
		window.onload = newfunc;
	}
	else
	{
		window.onload = function()
		{
			already_scheduled();
			newfunc();
		}
	}
}

schedule_onload_action(focus_username_field);