// validator © Jan Andersen - frontGATE Solutions ApS
/*
	Use input alt or id as "input_id:eval_id" property as input type for regexp
	Add id to all form elements
	Use input title property as error focus help text
*/

var text = /(\w+)/i;
var date = /\d{1,2}-\d{1,2}-\d{4,4}/;
var rx_search = /(\w+)/i;
var subject = /(\w+)/i;
var name = /(\w+)\s(\w+)/i;
var message = /(\w+)\s(\w+)\s(\w+)/i;
var address = /(\w+)/i;
var company = /(\w+)/i;
var postnr = /^\d{4}/;
var city = /(\w+)/i;
var phone = /^\d{8}/;
var cvr = /^\d{8}/;
var ean = /^\d{13}/;
var integer = /(\d+)/;
var space = /(\s+)/i;
var spaces = /^(\s+)$/i;
var email_syntax_invalidated = /([\_|\-|\.|\@])([\_|\-|\.|\@])/i;
var email_syntax_valid = /^([a-z0-9])([a-z0-9|\_|\-|\.])*([a-z0-9])(\@){1,1}([a-z0-9])([a-z0-9|\_|\-|\.])*([a-z0-9])(\.)([a-z]){2,6}/i;
var rx_password = /(\w+)/;
var anychar = /(.+)/;

var currency_syntax0 = /(\d+)/; 
var currency_syntax1 = /(\d+)\,\d{2}/; 
var currency_syntax2 = /[kr](\s)(\d+)\,\d{2}/; 

var pValue = '';
function pExists(obj, property) {
	for (var i in obj) {
		if ('' + i == property) {
			pValue = '' + obj[i];
			return '' + obj[i];
		}
	}
	pValue = '';
	return '';
}

function getEval(obj) {
    evalstr = "";
    var objnull = spaces.test(obj.value);
    if (pExists(obj, "id") != "") {
        var id_str = new String(obj.id);
        if (id_str.indexOf(':') > 0) {
            var xarray = id_str.split(':')
            var xstr = new String(xarray[1] + ',' + xarray[1]);
            var earray = xstr.split(',');
            if (earray[0] != 'null')
                return earray[0];
            if (earray[1] != 'null' && !objnull)
                return earray[1];
        }
    }
    if (pExists(obj, "alt") != "") {
        var xstr = new String(obj.alt + ',' + obj.alt);
        var earray = xstr.split(",");
        if (earray[0] != 'null')
            return earray[0];
        if (earray[1] != 'null' && !objnull)
            return earray[1];
    }
    return "";
}

function clsEmail() {
	this.test=_vmail;
}
function _vmail(value) {
	with (this) {
		if (!email_syntax_valid.test(value))
			return false
		else {
			if (!email_syntax_invalidated.test(value))
				return true;
			else
				return false;			
		}
	}
}
var email = new clsEmail();

function clsValuta() {
	this.test=_vvaluta;
}
function _vvaluta(value) {
	with (this) {
	    var validated = false;
	    if (currency_syntax0.test(value)) {
	        validated = true;
	    }
	    if (currency_syntax1.test(value)) {
	        validated = true;
	    }
	    if (currency_syntax2.test(value)) {
	        validated = true;    
	    }
	    return validated;
	}
}
var valuta = new clsValuta();

function clsPassword() {
	this.test=_vpassword
}
function _vpassword(value) {
	with (this) {
	    var tstr = new String(value);
		if (tstr.length > 5 && tstr.length <= 50) {
			if (!rx_password.test(value))
				return false;
			else
				return true;			
		}	
	}
	return false;
}
var password = new clsPassword();

function clsSearch() { 
	this.test=_vsearch;
}
function _vsearch(value) {
	with (this) {
		if (!rx_search.test(value))
			return false
		else {
		    var sstr = new String(value);
		    if (sstr.indexOf(" ") > 0)
		        if (sstr.length>3)
    				return true;
    		if (sstr.length>2)
				return true;
			else 
			    return false;			
		}
	}
}
var search = new clsSearch();

function validate_search(id) {
    if (document.getElementById(id)) {
        var obj = document.getElementById(id);
        if (!search.test(obj.value)) {
			obj.style.borderColor = 'red';
			window.alert(obj.title);
			obj.focus();
			return false;
        }
    }
    return true;
}

// FORM RETRIEVER
var allforms = '';
function getFormById(id) {
    var this_form = new RegExp(id, "i");
    var this_index = -1;
    if (document.forms.length > 0)
        for (var i = 0; i < document.forms.length; i++) {
            allforms += "(" + i + '::' + document.forms[i].id + ")"; 
            if (this_form.test(document.forms[i].id)) {
                try {
                    // IE only
                    // document.forms[i].focus();
                    if (FormHasFocus(document.forms[i]))
                        this_index = i;
                } catch (err) {
                
                }
            }
        }
    return this_index;
}

function FormHasFocus(doc) {
    for (i = 0; i<doc.length; i++) {
		if (pExists(doc.elements[i], "id") != '') {
            if (pExists(doc.elements[i], "type") != 'hidden') {
                try {
                    doc.elements[i].focus();
                } catch (err) {
                    return false;
                }
            }
        }
    }
    return true;
}

function formvalidate(form_name, form_obj) {
	var ok = true;
	var form_index = getFormById(form_name);
	var doc;
	if (form_index >= 0)
	    doc = document.forms[form_index];
	else
	    doc = document.forms[form_name];
    if (form_obj)
        doc = form_obj;
	for (i=0;i<doc.length;i++) {
		if (pExists(doc.elements[i], "id")) {
            if (document.getElementById(doc.elements[i].id)) {
			    var obj = document.getElementById(doc.elements[i].id);
			    var evalx = getEval(obj);
		        if (evalx!="") {
			        var regtest = '' + evalx + '.test(obj.value);'
		            if (!eval(regtest)) {
			            ok = false;
			            obj.style.borderColor = 'red';
			            window.alert(obj.title);
			            obj.focus();
			            return false;
		            } else {
			            obj.style.borderColor = '';
		            }
		        }
            }
		}
	}
	if (ok) return true;
}

function formsubmit(form_name) {
    if (document.getElementById(form_name)) {
        if (formvalidate(form_name))
            document.getElementById(form_name).submit();        
    }
}



function loginvalidate(form_name) {
	var ok = true;
	var doc = document.forms[form_name];
	for (i=0;i<doc.length;i++) {
		if (pExists(doc.elements[i], "id")) {
			var obj = document.getElementById(pValue);
            var evalx = getEval(obj);
			if (evalx!="") {	
			    var regtest = '' + evalx + '.test(obj.value);'
			    var result = eval(regtest);
			    if (obj.value == obj.defaultValue || obj.value == '')
			        result = false;
		        if (!result) {
			        ok = false;
			        obj.value = '';
			        obj.style.borderColor = 'red';
			        window.alert(obj.title);
			        obj.focus();
			        return false;
		        } else {
			        obj.style.borderColor = '';
		        }
			}
		}
	}
	if (ok) return true;
}

function clearvalue(id) {
    if (document.getElementById(id)) {
        var x = document.getElementById(id);
        if (x.value == '' || x.value == x.defaultValue) {
            x.value = '';
        }
    }
}

function resetvalue(id) {
    if (document.getElementById(id)) {
        var x = document.getElementById(id);
        if (x.value != '' && x.value != x.defaultValue) {
            // do nothing
        } else {
            x.value = x.defaultValue;
        }
    }
}