/*http://www.softcomplex.com/products/tigra_form_validator/docs/*/	
	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 (isDate(s_date)==false){
				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);
			// 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));
	}










/********************************************************
*  DATE STUFF
*********************************************************/

	// Declaring valid date character, minimum year and maximum year
	var dtCh= "-"; //date separator
	var minYear=1900;
	var maxYear=2100;
	
	function isInteger(s){
		var i;
		for (i = 0; i < s.length; i++){   
			// Check that current character is number.
			var c = s.charAt(i);
			if (((c < "0") || (c > "9"))) return false;
		}
		// All characters are numbers.
		return true;
	}
	
	function stripCharsInBag(s, bag){
		var i;
		var returnString = "";
		// Search through string's characters one by one.
		// If character is not in bag, append to returnString.
		for (i = 0; i < s.length; i++){   
			var c = s.charAt(i);
			if (bag.indexOf(c) == -1) returnString += c;
		}
		return returnString;
	}
	
	function daysInFebruary (year){
		// February has 29 days in any year evenly divisible by four,
		// EXCEPT for centurial years which are not also divisible by 400.
		return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
	}
	function DaysArray(n) {
		for (var i = 1; i <= n; i++) {
			this[i] = 31
			if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
			if (i==2) {this[i] = 29}
	   } 
	   return this
	}
	
	function isDate(dtStr){
		var daysInMonth = DaysArray(12)
		var pos1=dtStr.indexOf(dtCh)
		var pos2=dtStr.indexOf(dtCh,pos1+1)
		var strDay=dtStr.substring(pos2+1)
		var strMonth=dtStr.substring(pos1+1,pos2)
		var strYear=dtStr.substring(0,pos1)
		strYr=strYear
		if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
		if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
		for (var i = 1; i <= 3; i++) {
			if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
		}
		month=parseInt(strMonth)
		day=parseInt(strDay)
		year=parseInt(strYr)
		if (pos1==-1 || pos2==-1){
			alert("The date format should be : yyyy-mm-dd")
			return false
		}
		if (strMonth.length<1 || month<1 || month>12){
			//alert("Please enter a valid month")
			return false
		}
		if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
			//alert("Please enter a valid day")
			return false
		}
		if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
			//alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
			return false
		}
		if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
			//alert("Please enter a valid date")
			return false
		}
	return true
	}