/**
 * JavaScript Form Validator (gen_validatorv31.js)
 */
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;
}

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

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(!bRet){
		document.error_disp_handler.FinalShowMsg();
		return false;
	}
	if(this.addnlvalidation){
		str =" var ret = "+this.addnlvalidation+"()";
		eval(str);
		if(!ret) return ret;
	}
	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];
	//for radio button; don't do for 'select' item
	if(itemobj.length && isNaN(itemobj.selectedIndex) ){
		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 in msgs){
		if(null == first_elmnt){
			first_elmnt = msgs[m]["input_element"];
		}
		whole_msg += msgs[m]["msg"] + "\n";
	}
	alert(whole_msg);
	if(null != first_elmnt){
		first_elmnt.focus();
	}
}

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 in msgs){
		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){
		first_elmnt.focus();
	}
}

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";	
	return false;
}

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;
		this.itemobj.focus();
		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; 
	}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; 
	}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); 
		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 == "1"){
			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 "phone": 
		{ 
			ret = TestInputType(objValue,"[^0-9\-]",strError, 
			objValue.name+": Only alphabetic characters allowed ");
			break; 
		}
		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 "num": 
		case "numeric": 
		{ 
			ret = TestInputType(objValue,"[^0-9]",strError, 
			objValue.name+": Only digits allowed ");
			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 "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;
}