//General Validation Function
function Validator(frmname) {
    this.formobj = document.forms[frmname];
    if (!this.formobj) {
        alert("Error: couldnot get Form object " + frmname);
        return;
    }
    if (this.formobj.onsubmit) {
        this.formobj.old_onsubmit = this.formobj.onsubmit;
        this.formobj.onsubmit = null;
    }
    else {
        this.formobj.old_onsubmit = null;
    }
    this.formobj._sfm_form_name = frmname;
    this.formobj.onsubmit = form_submit_handler;
    this.addValidation = add_validation;
    this.setAddnlValidationFunction = set_addnl_vfunction;
    this.clearAllValidations = clear_all_validations;
    this.disable_validations = false; //new
    document.error_disp_handler = new sfm_ErrorDisplayHandler();
    this.EnableOnPageErrorDisplay = validator_enable_OPED;
    this.EnableOnPageErrorDisplaySingleBox = validator_enable_OPED_SB;
    this.show_errors_together = true;
    this.EnableMsgsTogether = sfm_enable_show_msgs_together;
    document.set_focus_onerror = true;
    this.EnableFocusOnError = sfm_validator_enable_focus;

}

function sfm_validator_enable_focus(enable) {
    document.set_focus_onerror = enable;
}

function set_addnl_vfunction(functionname) {
    this.formobj.addnlvalidation = functionname;
}

function sfm_set_focus(objInput) {
    if (document.set_focus_onerror) {
        objInput.focus();
    }
}

function sfm_enable_show_msgs_together() {
    this.show_errors_together = true;
    this.formobj.show_errors_together = true;
}
function clear_all_validations() {
    for (var itr = 0; itr < this.formobj.elements.length; itr++) {
        this.formobj.elements[itr].validationset = null;
    }
}

function form_submit_handler() {
    var bRet = true;
    document.error_disp_handler.clear_msgs();
    for (var itr = 0; itr < this.elements.length; itr++) {
        if (this.elements[itr].validationset &&
	   !this.elements[itr].validationset.validate()) {
            bRet = false;
        }
        if (!bRet && !this.show_errors_together) {
            break;

        }
    }

    if (this.addnlvalidation) {
        str = " var ret = " + this.addnlvalidation + "()";
        eval(str);

        if (!ret) {
            bRet = false;
        }

    }

    if (!bRet) {
        
            document.error_disp_handler.FinalShowMsg();
            return false;
        
    }
    return true;
}

function add_validation(itemname, descriptor, errstr) {
    var condition = null;
    if (arguments.length > 3) {
        condition = arguments[3];
    }
    if (!this.formobj) {
        alert("Error: The form object is not set properly");
        return;
    } //if
    var itemobj = this.formobj[itemname];
    if (itemobj.length && isNaN(itemobj.selectedIndex))
    //for radio button; don't do for 'select' item
    {
        itemobj = itemobj[0];
    }
    if (!itemobj) {
        alert("Error: Couldnot get the input object named: " + itemname);
        return;
    }
    if (!itemobj.validationset) {
        itemobj.validationset = new ValidationSet(itemobj, this.show_errors_together);
    }
    itemobj.validationset.add(descriptor, errstr, condition);
    itemobj.validatorobj = this;
}
function validator_enable_OPED() {
    document.error_disp_handler.EnableOnPageDisplay(false);
}

function validator_enable_OPED_SB() {
    document.error_disp_handler.EnableOnPageDisplay(true);
}
function sfm_ErrorDisplayHandler() {
    this.msgdisplay = new AlertMsgDisplayer();
    this.EnableOnPageDisplay = edh_EnableOnPageDisplay;
    this.ShowMsg = edh_ShowMsg;
    this.FinalShowMsg = edh_FinalShowMsg;
    this.all_msgs = new Array();
    this.clear_msgs = edh_clear_msgs;
}
function edh_clear_msgs() {
    this.msgdisplay.clearmsg(this.all_msgs);
    this.all_msgs = new Array();
}
function edh_FinalShowMsg() {
    this.msgdisplay.showmsg(this.all_msgs);
}
function edh_EnableOnPageDisplay(single_box) {
    if (true == single_box) {
        this.msgdisplay = new SingleBoxErrorDisplay();
    }
    else {
        this.msgdisplay = new DivMsgDisplayer();
    }
}
function edh_ShowMsg(msg, input_element) {

    var objmsg = new Array();
    objmsg["input_element"] = input_element;
    objmsg["msg"] = msg;
    this.all_msgs.push(objmsg);
}
function AlertMsgDisplayer() {
    this.showmsg = alert_showmsg;
    this.clearmsg = alert_clearmsg;
}
function alert_clearmsg(msgs) {

}
function alert_showmsg(msgs) {
    var whole_msg = "";
    var first_elmnt = null;
    for (var m = 0; m < msgs.length; m++) {
        if (null == first_elmnt) {
            first_elmnt = msgs[m]["input_element"];
        }
        whole_msg += msgs[m]["msg"] + "\n";
    }

    alert(whole_msg);

    if (null != first_elmnt) {
        sfm_set_focus(first_elmnt);
    }
}
function sfm_show_error_msg(msg, input_elmt) {
    document.error_disp_handler.ShowMsg(msg, input_elmt);
    
    
}
function SingleBoxErrorDisplay() {
    this.showmsg = sb_div_showmsg;
    this.clearmsg = sb_div_clearmsg;
}

function sb_div_clearmsg(msgs) {
    var divname = form_error_div_name(msgs);
    show_div_msg(divname, "");
}

function sb_div_showmsg(msgs) {
    var whole_msg = "<ul>\n";
    for (var m = 0; m < msgs.length; m++) {
        whole_msg += "<li>" + msgs[m]["msg"] + "</li>\n";
    }
    whole_msg += "</ul>";
    var divname = form_error_div_name(msgs);
    show_div_msg(divname, whole_msg);
}
function form_error_div_name(msgs) {
    var input_element = null;

    for (var m in msgs) {
        input_element = msgs[m]["input_element"];
        if (input_element) { break; }
    }

    var divname = "";
    if (input_element) {
        divname = input_element.form._sfm_form_name + "_errorloc";
    }

    return divname;
}
function DivMsgDisplayer() {
    this.showmsg = div_showmsg;
    this.clearmsg = div_clearmsg;
}
function div_clearmsg(msgs) {
    for (var m in msgs) {
        var divname = element_div_name(msgs[m]["input_element"]);
        show_div_msg(divname, "");
    }
}
function element_div_name(input_element) {
    var divname = input_element.form._sfm_form_name + "_" +
                   input_element.name + "_errorloc";

    divname = divname.replace(/[\[\]]/gi, "");

    return divname;
}
function div_showmsg(msgs) {
    var whole_msg;
    var first_elmnt = null;
    for (var m in msgs) {
        if (null == first_elmnt) {
            first_elmnt = msgs[m]["input_element"];
        }
        var divname = element_div_name(msgs[m]["input_element"]);
        show_div_msg(divname, msgs[m]["msg"]);
    }
    if (null != first_elmnt) {
        sfm_set_focus(first_elmnt);
    }
}
function show_div_msg(divname, msgstring) {
    if (divname.length <= 0) return false;

    if (document.layers) {
        divlayer = document.layers[divname];
        if (!divlayer) { return; }
        divlayer.document.open();
        divlayer.document.write(msgstring);
        divlayer.document.close();
    }
    else
        if (document.all) {
        divlayer = document.all[divname];
        if (!divlayer) { return; }
        divlayer.innerHTML = msgstring;
    }
    else
        if (document.getElementById) {
        divlayer = document.getElementById(divname);
        if (!divlayer) { return; }
        divlayer.innerHTML = msgstring;
    }
    divlayer.style.visibility = "visible";
}

function ValidationDesc(inputitem, desc, error, condition) {
    this.desc = desc;
    this.error = error;
    this.itemobj = inputitem;
    this.condition = condition;
    this.validate = vdesc_validate;
}
function vdesc_validate() {
    if (this.condition != null) {
        if (!eval(this.condition)) {
            return true;
        }
    }
    if (!validateInput(this.desc, this.itemobj, this.error)) {
        this.itemobj.validatorobj.disable_validations = true;

        sfm_set_focus(this.itemobj);

        return false;
    }
    return true;
}
function ValidationSet(inputitem, msgs_together) {
    this.vSet = new Array();
    this.add = add_validationdesc;
    this.validate = vset_validate;
    this.itemobj = inputitem;
    this.msgs_together = msgs_together;
}
function add_validationdesc(desc, error, condition) {
    this.vSet[this.vSet.length] =
  new ValidationDesc(this.itemobj, desc, error, condition);
}
function vset_validate() {
    var bRet = true;
    for (var itr = 0; itr < this.vSet.length; itr++) {
        bRet = bRet && this.vSet[itr].validate();
        if (!bRet && !this.msgs_together) {
            break;
        }
    }
    return bRet;
}
function validateEmail(email) {
    var splitted = email.match("^(.+)@(.+)$");
    if (splitted == null) return false;
    if (splitted[1] != null) {
        var regexp_user = /^\"?[\w-_\.]*\"?$/;
        if (splitted[1].match(regexp_user) == null) return false;
    }
    if (splitted[2] != null) {
        var regexp_domain = /^[\w-\.]*\.[A-Za-z]{2,4}$/;
        if (splitted[2].match(regexp_domain) == null) {
            var regexp_ip = /^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
            if (splitted[2].match(regexp_ip) == null) return false;
        } // if
        return true;
    }
    return false;
}

function IsCheckSelected(objValue, chkValue) {
    var selected = false;
    var objcheck = objValue.form.elements[objValue.name];
    if (objcheck.length) {
        var idxchk = -1;
        for (var c = 0; c < objcheck.length; c++) {
            if (objcheck[c].value == chkValue) {
                idxchk = c;
                break;
            } //if
        } //for
        if (idxchk >= 0) {
            if (objcheck[idxchk].checked == "1") {
                selected = true;
            }
        } //if
    }
    else {
        if (objValue.checked == "1") {
            selected = true;
        } //if
    } //else	

    return selected;
}
function TestDontSelectChk(objValue, chkValue, strError) {
    var pass = true;
    pass = IsCheckSelected(objValue, chkValue) ? false : true;

    if (pass == false) {
        if (!strError || strError.length == 0) {
            strError = "Can't Proceed as you selected " + objValue.name;
        } //if			  
        sfm_show_error_msg(strError, objValue);

    }
    return pass;
}
function TestShouldSelectChk(objValue, chkValue, strError) {
    var pass = true;

    pass = IsCheckSelected(objValue, chkValue) ? true : false;

    if (pass == false) {
        if (!strError || strError.length == 0) {
            strError = "You should select " + objValue.name;
        } //if			  
        sfm_show_error_msg(strError, objValue);

    }
    return pass;
}
function TestRequiredInput(objValue, strError) {
    var ret = true;
    var val = objValue.value;
    val = val.replace(/^\s+|\s+$/g, ""); //trim
    if (eval(val.length) == 0) {
        if (!strError || strError.length == 0) {
            strError = objValue.name + " : Required Field";
        } //if 
        sfm_show_error_msg(strError, objValue);
        ret = false;
    } //if 
    return ret;
}
function TestMaxLen(objValue, strMaxLen, strError) {
    var ret = true;
    if (eval(objValue.value.length) > eval(strMaxLen)) {
        if (!strError || strError.length == 0) {
            strError = objValue.name + " : " + strMaxLen + " characters maximum ";
        } //if 
        sfm_show_error_msg(strError, objValue);
        ret = false;
    } //if 
    return ret;
}
function TestMinLen(objValue, strMinLen, strError) {
    var ret = true;
    if (eval(objValue.value.length) < eval(strMinLen)) {
        if (!strError || strError.length == 0) {
            strError = objValue.name + " : " + strMinLen + " characters minimum  ";
        } //if               
        sfm_show_error_msg(strError, objValue);
        ret = false;
    } //if 
    return ret;
}
function TestInputType(objValue, strRegExp, strError, strDefaultError) {
    var ret = true;

    var charpos = objValue.value.search(strRegExp);
    if (objValue.value.length > 0 && charpos >= 0) {
        if (!strError || strError.length == 0) {
            strError = strDefaultError;
        } //if 
        sfm_show_error_msg(strError, objValue);
        ret = false;
    } //if 
    return ret;
}
function TestEmail(objValue, strError) {
    var ret = true;
    if (objValue.value.length > 0 && !validateEmail(objValue.value)) {
        if (!strError || strError.length == 0) {
            strError = objValue.name + ": Enter a valid Email address ";
        } //if                                               
        sfm_show_error_msg(strError, objValue);
        ret = false;
    } //if 
    return ret;
}
function TestLessThan(objValue, strLessThan, strError) {
    var ret = true;
    if (isNaN(objValue.value)) {
        sfm_show_error_msg(objValue.name + ": Should be a number ", objValue);
        ret = false;
    } //if 
    else
        if (eval(objValue.value) >= eval(strLessThan)) {
        if (!strError || strError.length == 0) {
            strError = objValue.name + " : value should be less than " + strLessThan;
        } //if               
        sfm_show_error_msg(strError, objValue);
        ret = false;
    } //if   
    return ret;
}
function TestGreaterThan(objValue, strGreaterThan, strError) {
    var ret = true;
    if (isNaN(objValue.value)) {
        sfm_show_error_msg(objValue.name + ": Should be a number ", objValue);
        ret = false;
    } //if 
    else
        if (eval(objValue.value) <= eval(strGreaterThan)) {
        if (!strError || strError.length == 0) {
            strError = objValue.name + " : value should be greater than " + strGreaterThan;
        } //if               
        sfm_show_error_msg(strError, objValue);
        ret = false;
    } //if  
    return ret;
}
function TestRegExp(objValue, strRegExp, strError) {
    var ret = true;
    if (objValue.value.length > 0 &&
        !objValue.value.match(strRegExp)) {
        if (!strError || strError.length == 0) {
            strError = objValue.name + ": Invalid characters found ";
        } //if                                                               
        sfm_show_error_msg(strError, objValue);
        ret = false;
    } //if 
    return ret;
}
function TestDontSelect(objValue, dont_sel_index, strError) {
    var ret = true;
    if (objValue.selectedIndex == null) {
        sfm_show_error_msg("ERROR: dontselect command for non-select Item");
        ret = false;
    }
    if (objValue.selectedIndex == eval(dont_sel_index)) {
        if (!strError || strError.length == 0) {
            strError = objValue.name + ": Please Select one option ";
        } //if                                                               
        sfm_show_error_msg(strError, objValue);
        ret = false;
    }
    return ret;
}
function TestSelectOneRadio(objValue, strError) {
    var objradio = objValue.form.elements[objValue.name];
    var one_selected = false;
    for (var r = 0; r < objradio.length; r++) {
        if (objradio[r].checked) {
            one_selected = true;
            break;
        }
    }
    if (false == one_selected) {
        if (!strError || strError.length == 0) {
            strError = "Please select one option from " + objValue.name;
        }
        sfm_show_error_msg(strError, objValue);
    }
    return one_selected;
}

function validateInput(strValidateStr, objValue, strError) {
    var ret = true;
    var epos = strValidateStr.search("=");
    var command = "";
    var cmdvalue = "";
    if (epos >= 0) {
        command = strValidateStr.substring(0, epos);
        cmdvalue = strValidateStr.substr(epos + 1);
    }
    else {
        command = strValidateStr;
    }
    switch (command) {
        case "req":
        case "required":
            {
                ret = TestRequiredInput(objValue, strError)
                break;
            } //case required 
        case "maxlength":
        case "maxlen":
            {
                ret = TestMaxLen(objValue, cmdvalue, strError)
                break;
            } //case maxlen 
        case "minlength":
        case "minlen":
            {
                ret = TestMinLen(objValue, cmdvalue, strError)
                break;
            } //case minlen 
        case "alnum":
        case "alphanumeric":
            {
                ret = TestInputType(objValue, "[^A-Za-z0-9]", strError,
						objValue.name + ": Only alpha-numeric characters allowed ");
                break;
            }
        case "alnum_s":
        case "alphanumeric_space":
            {
                ret = TestInputType(objValue, "[^A-Za-z0-9\\s]", strError,
						objValue.name + ": Only alpha-numeric characters and space allowed ");
                break;
            }
        case "alphanumeric_specialchar_space":
            {
                ret = TestInputType(objValue, "[^A-Za-z0-9\\s\\+\\-\\/]", strError,
						objValue.name + ": Only alpha-numeric characters and space allowed ");
                break;
            }
        case "alphanumeric_specialchar":
            {
                ret = TestInputType(objValue, "[^A-Za-z0-9\\+\\-\\/]", strError,
						objValue.name + ": Only alpha-numeric characters and special characters without space allowed ");
                break;
            }
        case "alphanumeric_specialchar_users":
            {
                ret = TestInputType(objValue, "[^A-Za-z0-9\\_\\-\\.\\/]", strError,
						objValue.name + ": Only alpha-numeric characters and special characters without space allowed ");
                break;
            }
       case "alphanumeric_specialchar_title":
            {
                ret = TestInputType(objValue, "[^A-Za-z0-9\\_\\-\\.\\'\\s]", strError,
						objValue.name + ": Only alpha-numeric characters and special characters without space allowed ");
                break;
            }
        case "num":
        case "numeric":
            {
                ret = TestInputType(objValue, "[^0-9]", strError,
						objValue.name + ": Only digits allowed ");
                break;
            }
        case "numeric_specialchar":
            {
                ret = TestInputType(objValue, "[^0-9\\s\\+\\-\\,\\/]", strError,
						objValue.name + ": Only digits allowed and few characters");
                break;
            }
        case "dec":
        case "decimal":
            {
                ret = TestInputType(objValue, "[^0-9\.]", strError,
						objValue.name + ": Only numbers allowed ");
                break;
            }
        case "alphabetic":
        case "alpha":
            {
                ret = TestInputType(objValue, "[^A-Za-z]", strError,
						objValue.name + ": Only alphabetic characters allowed ");
                break;
            }
        case "alpha_specialchar_space":
            {
                ret = TestInputType(objValue, "[^A-Za-z\\s\\-\\']", strError,
						objValue.name + ": Only alphabetic characters allowed ");
                break;
            }
        case "alpha_special_space":
            {
                ret = TestInputType(objValue, "[^A-Za-z\\s\\']", strError,
						objValue.name + ": Only alphabetic characters allowed ");
                break;
            }
        case "alphabetic_space":
        case "alpha_s":
            {
                ret = TestInputType(objValue, "[^A-Za-z\\s]", strError,
						objValue.name + ": Only alphabetic characters and space allowed ");
                break;
            }
        case "email":
            {
                ret = TestEmail(objValue, strError);
                break;
            }
        case "lt":
        case "lessthan":
            {
                ret = TestLessThan(objValue, cmdvalue, strError);
                break;
            }
        case "gt":
        case "greaterthan":
            {
                ret = TestGreaterThan(objValue, cmdvalue, strError);
                break;
            } //case greaterthan 
        case "regexp":
            {
                ret = TestRegExp(objValue, cmdvalue, strError);
                break;
            }
        case "dontselect":
            {
                ret = TestDontSelect(objValue, cmdvalue, strError)
                break;
            }
        case "dontselectchk":
            {
                ret = TestDontSelectChk(objValue, cmdvalue, strError)
                break;
            }
        case "shouldselchk":
            {
                ret = TestShouldSelectChk(objValue, cmdvalue, strError)
                break;
            }
        case "selone_radio":
            {
                ret = TestSelectOneRadio(objValue, strError);
                break;
            }
            
    } //switch 
    return ret;
}
function VWZ_IsListItemSelected(listname, value) {
    for (var i = 0; i < listname.options.length; i++) {
        if (listname.options[i].selected == true &&
   listname.options[i].value == value) {
            return true;
        }
    }
    return false;
}
function VWZ_IsChecked(objcheck, value) {
    if (objcheck.length) {
        for (var c = 0; c < objcheck.length; c++) {
            if (objcheck[c].checked == "1" &&
	     objcheck[c].value == value) {
                return true;
            }
        }
    }
    else {
        if (objcheck.checked == "1") {
            return true;
        }
    }
    return false;
}

//Added on 11 August 2009
function TestSelectOneCheck(objValue, strError) {
    var objCheck = objValue.form.elements[objValue.name];
    var one_selected = false;
    for (var r = 0; r < objradio.length; r++) {
        if (objCheck[r].checked) {
            one_selected = true;
            break;
        }
    }
    if (false == one_selected) {
        if (!strError || strError.length == 0) {
            strError = "Please select one option from " + objValue.name;
        }
        sfm_show_error_msg(strError, objValue);
    }
    return one_selected;
}


/*----------------------- New Functions Starts from Here -------------------- */
function isEmpty(strText) {
    var intCode
    if (strText != null) {
        if (strText == "") {
            return (true);
        }
        else {
            for (i = 0; i < strText.length; i++) {
                intCode = strText.charCodeAt(i);
                //alert("intCode > " + intCode);
                if (intCode != 13 && intCode != 32 && intCode != 10) {
                    return (false);
                }
            }
            return (true);
        }
    }
}


function IsChecked(grid,msg) {

    var TargetBaseControl = null;
    var ddllist = null;
    var success = 0;
    if (grid == null) return false;
    //get target child control.
    var TargetChildControl = "chkBxSelect";
    //get all the control of the type INPUT in the base control.
    var Inputs = grid.getElementsByTagName("input");

    if (Inputs.length == 0 || Inputs.length < 1) {
        return true;
    }
    for (var n = 0; n < Inputs.length; ++n) 
    {
        if (Inputs[n].type == 'checkbox' && Inputs[n].checked)
            return true;
    }

    strError = msg; 
    sfm_show_error_msg(strError, grid);
    return false;
}




function isValidFile(vname) {

    do {
        if (vname.indexOf(".") == -1) {
            break;
        }
        var index = vname.indexOf(".");
        vname = vname.substring(index + 1);
    }
    while (index != -1)

    var filetype = vname;
    filetype = filetype.toUpperCase();
    // To check the type of the file 
    if (filetype != "JPG" && filetype != "GIF" && filetype != "JPEG" && filetype != "BMP") {
        sfm_show_error_msg("Please select only jpg/gif/bmp files");
        return false;
    }
    // To check the width of the image file 
    else {
        var image = new Image();
        image.src = document.getElementById("<%=fuImage.ClientID%>").value;
        if (image.width > 600) {
            sfm_show_error_msg("Width of the image should be less than 600px");
            return false;
        }
    }
    return true;
}