var W3CDOM = (document.getElementsByTagName && document.createElement);
var isMultyCheckBox = false;
var radioButtonsSections = new Array(); // used to check if specific radiobutton error was already displayed
//
//cuts away [] from multycheck box name
function getRealNameFromMultyCheckBox(elementName) {
    if (elementName.indexOf("[]") != -1){
        var elemStr = elementName;
        elemStr = elemStr.substr(0,elemStr.indexOf("[]"));
        elementName = elemStr;
        isMultyCheckBox = true;
    }else{
        isMultyCheckBox = false;
    }

    return elementName;
}

var fV = {
    addEvent: function(elm, evType, fn, useCapture) {
        if(elm.addEventListener) {
            elm.addEventListener(evType, fn, useCapture);
            return true;
        } else if(elm.attachEvent) {
            var r = elm.attachEvent('on' + evType, fn);
            return r;
        } else {
            elm['on' + evType] = fn;
        }
    },
	
    init: function() {
        for (var i in validationSet) {
            if(document.getElementsByName(i)) {
                var formField = document.getElementsByName(i)[0];
                if(!formField) {
                //alert('Not found='+i);	// field not found
                } else {
                    new Insertion.After(formField, '<span id="error_'+formField.id+'" class="error" />');
                    if(formField.type=="radio") {
                        elm1 = document.getElementsByName(formField.name);
                        for (j = 0 ; j<elm1.length ; j++){
                            formField1 = document.getElementById(formField.name + "_" + j);
                            fV.addEvent(formField1, 'blur', fV.checkValid, false);
                        }
                    } else {
                        fV.addEvent(formField, 'blur', fV.checkValid, false);
                    }           
                    

                    if(typeof formField.form != 'undefined' && typeof formField.form.validateSubmit == 'undefined') {
                        fV.addEvent(formField.form, 'submit', fV.checkValidSubmit, false);
                        formField.form.onsubmit = fV.checkSubmit;  //Safari
                        formField.form.validateSubmit = true;
                    }
                }
            }
        }
    },

    checkIfElementDefined: function(elementName) {
        //validation for multy checkbox - cuts away the []
        if (elementName != undefined){

            //cuts away [] in case of multycheckbox
            elementName = getRealNameFromMultyCheckBox(elementName);

            //normal element
            if(validationSet[elementName]) {
                return true;
            }
        }
        return false;
    },
	
    checkValidSubmit: function(e) {
        radioButtonsSections = new Array(); // empty radio button section at each submit
        var frm = window.event ? window.event.srcElement : e ? e.target : null;
        if(!frm) return;
        var errText = [];
        frm.submitAllowed = true;
        for (var i=0; i < frm.elements.length; i++) {
		
            if(fV.checkIfElementDefined(frm.elements[i].name) === true) {
				
                var failedE = fV.handleValidity(frm.elements[i]);

                //in case of multycheckbox
                if (failedE != undefined){
                    failedE.name = getRealNameFromMultyCheckBox(failedE.name);
                }
				

                if (W3CDOM && failedE) {
                    if (!Element.hasClassName(frm.elements[i],'errorElement')) {
                        Element.addClassName(frm.elements[i],'errorElement');
                    }
                //frm.elements[i].onchange = fV.removeError;
                }
				
                if(prikaziMsg) {
                    var errDisplay = document.getElementById('error_' + frm.elements[i].name);
                    //input element, ki ga lahko kasneje obarvamo
                    var inputek = document.getElementById(frm.elements[i].name);
					
                    if(failedE && errDisplay) {
                        errDisplay.innerHTML = validationSet[failedE.name]['error'];
                        //tukaj lahko postajlamo input ob errorju..
                        inputek.style.border=inputBorder;
                        inputek.style.background=inputBackground;
                    }
					
                    if(!failedE && errDisplay) {
                        errDisplay.innerHTTML = '';
                        //e je kul, mu dajmo original barve nazaj
                        inputek.style.border=inputBorderOK;
                        inputek.style.background=inputBackgroundOK;
                    }
                }
				
                if(failedE) {
                    var labels = document.getElementsByTagName('label');
                    if(validationSet[failedE.name]['error']!='')
                    {
						
                        errText[errText.length] = validationSet[failedE.name]['error'];
                        for(var j=0; j < labels.length; j++) {
                            if(labels[j].htmlFor == failedE.id) {
                        //errText[errText.length - 1] += ' (\'' + labels[j].firstChild.nodeValue + '\')';
                        }
                        }
                    }
                }
                //change back to full name in case of multy checkbox
                if (failedE != undefined && failedE.type == "checkbox" && isMultyCheckBox == true){
                    failedE.name  = failedE.name + "[]";
                }
            }


        }
        if(errText.length > 0) {
            frm.submitAllowed = false;
            if (!W3CDOM) {
                alert(errText.join('\n'));
            }
            Element.update('errorMessage', '<ul><li>'+errText.join('</li><li>')+'</li></ul>' )
            if (!Element.visible("errorMessage")) {
				
                if(prikaziOkno)new Effect.BlindDown("errorMessage", {
                    duration: 0.4
                });
            }
			
            if(e && e. preventDefault) {
				
                e.preventDefault();
            }
            if(window.event) {
                window.event.cancleBubble = true;
                window.event.returnValue = false;
                return false;
            }
        }
		
        frm.submitAllowed = true;
        if(window.event) {
            window.event.cancleBubble = false;
            window.event.returnValue = true;
            return true;
        }
		

    },
	
    checkSubmit: function() {
        if(this.submitAllowed==undefined) fV.checkValidSubmit();
        return this.submitAllowed;
    },
	
    removeError: function() {
        Element.removeClassName(this,'errorElement');
    //this.onchange = null;
    },
	
    checkValid: function(e) {
        var target=window.event ? window.event.srcElement : e ? e.target : null;
        if (!target) return;
		
        var failedE = fV.handleValidity(target);
        if (W3CDOM && failedE) {
            if (!Element.hasClassName(target,'errorElement')) {
                Element.addClassName(target,'errorElement');
            }
        //target.onchange = fV.removeError;
        }
		
        if(prikaziMsg) {
            var errDisplay = document.getElementById('error_' + target.name);
            //podobna zgodba kot zgoraj
            var inputek = document.getElementById(target.name);
			
            if(failedE && errDisplay) {
                errDisplay.innerHTML = validationSet[failedE.name]['error'];
                //tudi kle dodano
                inputek.style.border=inputBorder;
                inputek.style.background=inputBackground;
            }
            if(!failedE && !errDisplay) {
                alert(validationSet[failedE.name]['error']);
            }
				
            if(!failedE && errDisplay) {
                errDisplay.innerHTML = '';
                //pa e kle
                inputek.style.border=inputBorderOK;
                inputek.style.background=inputBackgroundOK;
            }
        }
		
    },
	
    notempty: function(field) {
        if(field.value=="") {
            return true;
        } else {
            return false;
        }
    },
	
	
    handleValidity: function(field) {
        field.name = getRealNameFromMultyCheckBox(field.name);
        var func = validationSet[field.name]['func'];
        var re = validationSet[field.name]['regexp'];
        var notempty = validationSet[field.name]['notempty'];

        //change back to full name in case of multy checkbox
        if (field.type == "checkbox" && isMultyCheckBox == true){
            field.name  = field.name + "[]";
        }

        // Go trough same radio section and check if any of them was selected
        if (field.type == "radio"){
            if (notempty ==false){
                return null;
            }else{
                var radios = document.getElementsByName(field.name);
                for (var i = 0; i < radios.length; i++) {
                    //if no radios are selected then return field, wich will triger error msg
                    if (radios[i].checked == true) {
                        return null;
                    }
                }

                // No radiobox was selected from section so return error (only one error per radiobutton section)
                if (typeof radioButtonsSections[field.name] == 'undefined') {
                    radioButtonsSections[field.name] = new Array();
                    return field;
                }
            }
        }

        if(notempty) {
            var empty = fV.notempty(field);
            if(empty) {
                return field;
            }
        } else {
            if(!field.value) {
                return null;
            }
        }
		
        if(func == '-') {
        } else {
            if(func=='leto_rojstva') {
                var nileto = leto_rojstva(field);
                if(nileto) {
                    return field;
                }
            } else {
                aa = getFunc(func, field);
                if (!aa) {
                    return field;
                }
            }
        }

        if(re!='-') {
            if(!field.value.match(re)) {
                return field;
            } else {
                return null;
            }
        }
    }
	
}


	
fV.addEvent(window, 'load', fV.init, false);