// Title: Tigra Form Validator
// URL: http://www.softcomplex.com/products/tigra_form_validator/
// Version: 1.3
// Date: 08/25/2005 (mm/dd/yyyy)
// Notes: This script is free. Visit official site for further details.

// regular expressions or function to validate the format
var re_dt = /^(\d{1,2})\-(\d{1,2})\-(\d{4})$/,
re_tm = /^(\d{1,2})\:(\d{1,2})\:(\d{1,2})$/,
a_formats = {
	'alpha'   : /^[a-zA-Z\.\-]*$/,
	'alphanum': /^\w+$/,
	'unsigned': /^\d+$/,
	'integer' : /^[\+\-]?\d*$/,
	'real'    : /^[\+\-]?\d*\.?\d*$/,
	'email'   : /^[\w-\.]+\@[\w\.-]+\.[a-z]{2,4}$/,
	'phone'   : /^[\d\.\s\-]+$/,
	'date'    : function (s_date) {
		// check format
		if (!re_dt.test(s_date))
			return false;
		// check allowed ranges	
		if (RegExp.$1 > 31 || RegExp.$2 > 12)
			return false;
		// check number of day in month
		var dt_test = new Date(RegExp.$3, Number(RegExp.$2-1), RegExp.$1);
		if (dt_test.getMonth() != Number(RegExp.$2-1))
			return false;
		return true;
	},
	'time'    : function (s_time) {
		// check format
		if (!re_tm.test(s_time))
			return false;
		// check allowed ranges	
		if (RegExp.$1 > 23 || RegExp.$2 > 59 || RegExp.$3 > 59)
			return false;
		return true;
	}
},
a_messages = [
	'No form name passed to validator construction routine',
	'No array of "%form%" form fields passed to validator construction routine',
	'Form "%form%" can not be found in this document',
	'Incomplete "%n%" form field descriptor entry. "l" attribute is missing',
	'Can not find form field "%n%" in the form "%form%"',
	'Can not find label tag (id="%t%")',
	'Can not verify match. Field "%m%" was not found',
	'"%l%" is a required field',
	'Value for "%l%" must be %mn% characters or more',
	'Value for "%l%" must be no longer than %mx% characters',
	'"%v%" is not valid value for "%l%"',
	'"%l%" must match "%ml%"'
]

// validator counstruction routine
function validator(s_form, a_fields, o_cfg) {
	this.f_error = validator_error;
	this.f_alert = o_cfg && o_cfg.alert
		? function(s_msg) { alert(s_msg); return false }
		: function() { return false };
		
	// check required parameters
	if (!s_form)	
		return this.f_alert(this.f_error(0));
	this.s_form = s_form;
	
	if (!a_fields || typeof(a_fields) != 'object')
		return this.f_alert(this.f_error(1));
	this.a_fields = a_fields;

	this.a_2disable = o_cfg && o_cfg['to_disable'] && typeof(o_cfg['to_disable']) == 'object'
		? o_cfg['to_disable']
		: [];
		
	this.exec = validator_exec;
}

// validator execution method
function validator_exec() {
	var o_form = document.forms[this.s_form];
	if (!o_form)	
		return this.f_alert(this.f_error(2));
		
	b_dom = document.body && document.body.innerHTML;
	
	// check integrity of the form fields description structure
	for (var n_key in this.a_fields) {
		// check input description entry
		this.a_fields[n_key]['n'] = n_key;
		if (!this.a_fields[n_key]['l'])
			return this.f_alert(this.f_error(3, this.a_fields[n_key]));
		o_input = o_form.elements[n_key];
		if (!o_input)
			return this.f_alert(this.f_error(4, this.a_fields[n_key]));
		this.a_fields[n_key].o_input = o_input;
	}

	// reset labels highlight
	if (b_dom)
		for (var n_key in this.a_fields) 
			if (this.a_fields[n_key]['t']) {
				var s_labeltag = this.a_fields[n_key]['t'], e_labeltag = get_element(s_labeltag);
				if (!e_labeltag)
					return this.f_alert(this.f_error(5, this.a_fields[n_key]));
				this.a_fields[n_key].o_tag = e_labeltag;
				
				// normal state parameters assigned here
				e_labeltag.className = 'tfvNormal';
			}

	// collect values depending on the type of the input
	for (var n_key in this.a_fields) {
		var s_value = '';
		o_input = this.a_fields[n_key].o_input;
		if (o_input.type == 'checkbox') // checkbox
			s_value = o_input.checked ? o_input.value : '';
		else if (o_input.value) // text, password, hidden
			s_value = o_input.value;
		else if (o_input.options) // select
			s_value = o_input.selectedIndex > -1
				? o_input.options[o_input.selectedIndex].value
				: null;
		else if (o_input.length > 0) // radiobuton
			for (var n_index = 0; n_index < o_input.length; n_index++)
				if (o_input[n_index].checked) {
					s_value = o_input[n_index].value;
					break;
				}
		this.a_fields[n_key]['v'] = s_value.replace(/(^\s+)|(\s+$)/g, '');
	}
	
	// check for errors
	var n_errors_count = 0,
		n_another, o_format_check;
	for (var n_key in this.a_fields) {
		o_format_check = this.a_fields[n_key]['f'] && a_formats[this.a_fields[n_key]['f']]
			? a_formats[this.a_fields[n_key]['f']]
			: null;

		// reset previous error if any
		this.a_fields[n_key].n_error = null;

		// check reqired fields
		if (this.a_fields[n_key]['r'] && !this.a_fields[n_key]['v']) {
			this.a_fields[n_key].n_error = 1;
			n_errors_count++;
		}
		// check length
		else if (this.a_fields[n_key]['mn'] && this.a_fields[n_key]['v'] != '' && String(this.a_fields[n_key]['v']).length < this.a_fields[n_key]['mn']) {
			this.a_fields[n_key].n_error = 2;
			n_errors_count++;
		}
		else if (this.a_fields[n_key]['mx'] && String(this.a_fields[n_key]['v']).length > this.a_fields[n_key]['mx']) {
			this.a_fields[n_key].n_error = 3;
			n_errors_count++;
		}
		// check format
		else if (this.a_fields[n_key]['v'] && this.a_fields[n_key]['f'] && (
			(typeof(o_format_check) == 'function'
			&& !o_format_check(this.a_fields[n_key]['v']))
			|| (typeof(o_format_check) != 'function'
			&& !o_format_check.test(this.a_fields[n_key]['v'])))
			) {
			this.a_fields[n_key].n_error = 4;
			n_errors_count++;
		}
		// check match	
		else if (this.a_fields[n_key]['m']) {
			for (var n_key2 in this.a_fields)
				if (n_key2 == this.a_fields[n_key]['m']) {
					n_another = n_key2;
					break;
				}
			if (n_another == null)
				return this.f_alert(this.f_error(6, this.a_fields[n_key]));
			if (this.a_fields[n_another]['v'] != this.a_fields[n_key]['v']) {
				this.a_fields[n_key]['ml'] = this.a_fields[n_another]['l'];
				this.a_fields[n_key].n_error = 5;
				n_errors_count++;
			}
		}
		
	}

	// collect error messages and highlight captions for errorneous fields
	var s_alert_message = '',
		e_first_error;

	if (n_errors_count) {
		for (var n_key in this.a_fields) {
			var n_error_type = this.a_fields[n_key].n_error,
				s_message = '';
				
			if (n_error_type)
				s_message = this.f_error(n_error_type + 6, this.a_fields[n_key]);

			if (s_message) {
				if (!e_first_error)
					e_first_error = o_form.elements[n_key];
				s_alert_message += s_message + "\n";
				// highlighted state parameters assigned here
				if (b_dom && this.a_fields[n_key].o_tag)
					this.a_fields[n_key].o_tag.className = 'tfvHighlight';
			}
		}
		//alert(s_alert_message);
		// populate the error message
		//get_element('errorMsg').innerHTML = s_alert_message;
		// set focus to first errorneous field
		if (e_first_error.focus && e_first_error.type != 'hidden'  && !e_first_error.disabled)
			eval("e_first_error.focus()");
		// cancel form submission if errors detected
		return false;
	}
	
	for (n_key in this.a_2disable)
		if (o_form.elements[this.a_2disable[n_key]])
			o_form.elements[this.a_2disable[n_key]].disabled = true;

	return true;
}

function validator_error(n_index) {
	var s_ = a_messages[n_index], n_i = 1, s_key;
	for (; n_i < arguments.length; n_i ++)
		for (s_key in arguments[n_i])
			s_ = s_.replace('%' + s_key + '%', arguments[n_i][s_key]);
	s_ = s_.replace('%form%', this.s_form);
	return s_
}

function get_element (s_id) {
	return (document.all ? document.all[s_id] : (document.getElementById ? document.getElementById(s_id) : null));
}

//*********************************************
// scroller code 
//*********************************************

var SLIDETIMER = 30;
var SLIDESPEED = 5;
var SCROLLTIMER = 15;
var SCROLLSPEED = 20;
var STARTINGOPACITY = 50;

function setLinkColor(id){
	//alert(id)
	document.getElementById("link-1").style.color= "#ddd";
	document.getElementById("link-2").style.color= "#ddd";
	document.getElementById("link-3").style.color= "#ddd";
	document.getElementById("link-4").style.color= "#ddd";
	if(document.getElementById("link-"+id)) document.getElementById("link-"+id).style.color= "#203360";
	
}
// handles section to section scrolling of the content //
function slideContent(id,prefix,timer) {
  var div = document.getElementById(id);
  //alert(id+","+prefix+","+timer);
  var slider = div.parentNode;
  clearInterval(slider.timer);
  slider.section = parseInt(id.replace(/\D/g,''));
  slider.target = div.offsetTop;
  slider.style.top = slider.style.top || '0px';
  slider.current = slider.style.top.replace('px','');
  slider.direction = (Math.abs(slider.current) > slider.target) ? 1 : -1;
  slider.style.opacity = STARTINGOPACITY * .01;
  slider.style.filter = 'alpha(opacity=' + STARTINGOPACITY + ')';
  slider.timer = setInterval( function() { slideAnimate(slider,prefix,timer) }, SLIDETIMER);
}

function slideAnimate(slider,prefix,timer) {
  var curr = Math.abs(slider.current);
  var tar = Math.abs(slider.target);
  var dir = slider.direction;
  if((tar - curr <= SLIDESPEED && dir == -1) || (curr - tar <= SLIDESPEED && dir == 1)) {
    slider.style.top = (slider.target * -1) + 'px';
	slider.style.opacity = 1;
	slider.style.filter = 'alpha(opacity=100)';
    clearInterval(slider.timer);
	if(slider.autoscroll) {
	  setTimeout( function() { autoScroll(slider.id,prefix,timer) }, timer * 1000);
	}
  } else {
	var pos = (dir == 1) ? parseInt(slider.current) + SLIDESPEED : slider.current - SLIDESPEED;
    slider.current = pos;
    slider.style.top = pos + 'px';
  }
}

// handles manual scrolling of the content //
function scrollContent(id,dir) {
  var div = document.getElementById(id);
  clearInterval(div.timer);
  var sections = div.getElementsByTagName('div');
  var length = sections.length;
  var limit;
  if(dir == -1) {
    limit = 0;
  } else {
    if(length > 1) {
      limit = sections[length-1].offsetTop;
    } else {
      limit = sections[length-1].offsetHeight - div.parentNode.offsetHeight + 20;
    }
  }
  div.style.opacity = STARTINGOPACITY * .01;
  div.style.filter = 'alpha(opacity=' + STARTINGOPACITY + ')';
  div.timer = setInterval( function() { scrollAnimate(div,dir,limit) }, SCROLLTIMER);
}

function scrollAnimate(div,dir,limit) {
  div.style.top = div.style.top || '0px';
  var top = div.style.top.replace('px','');
  if(dir == 1) {
	if(limit - Math.abs(top) <= SCROLLSPEED) {
	  cancelScroll(div.id);
	  div.style.top = '-' + limit + 'px';
	} else {
	  div.style.top = top - SCROLLSPEED + 'px';
	}
  } else {
	if(Math.abs(top) - limit <= SCROLLSPEED) {
	  cancelScroll(div.id);
	  div.style.top = limit + 'px';
	} else {
	  div.style.top = parseInt(top) + SCROLLSPEED + 'px';
	}
  }
}

// cancel the scrolling on mouseout //
function cancelScroll(id) {
  var div = document.getElementById(id);
  div.style.opacity = 1;
  div.style.filter = 'alpha(opacity=100)';
  clearTimeout(div.timer);
}

// initiate auto scrolling //
function autoScroll(id,prefix,timer,restart) {
  var div = document.getElementById(id);
  div.autoscroll = (!div.autoscroll && !restart) ? false : true;
  if(div.autoscroll) {
    var sections = div.getElementsByTagName('div');
    var length = sections.length;
    //alert("length "+length)
    div.section = (div.section && div.section < length) ? div.section + 1 : 1;
    setLinkColor(div.section)
    slideContent(prefix + '-' + div.section,prefix,timer);
  }
}

// cancel automatic scrolling //
function cancelAutoScroll(id) {
  var div = document.getElementById(id);
  div.autoscroll = false;
}

function linkClick(id){
	setLinkColor(id)
	cancelAutoScroll('slider')
	slideContent('section-'+id);
}