function cheakboxvalidation() {
    var frm = document.forms["enquiryForm"];
   if ((!(frm.term.checked)) ) {
      document.getElementById("errAddBlog").innerHTML='Please read terms and conditions and select checkbox.....';
        return false;
    }
    else {
        return true;
    }
} 
 function cheakboxvalidation1() {
    var frm = document.forms["enquiryForm"];
   if ((!(frm.terms.checked)) ) {
      document.getElementById("errAddBlog").innerHTML='Please Check Preferred method of contact ';
        return false;
    }
    else {
        return true;
    }
} 
function Validator(frmname){
  this.formobj=document.forms[frmname];
	if(!this.formobj){
	  alert("BUG: 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.onsubmit=form_submit_handler;
	this.addValidation = add_validation;
	this.setAddnlValidationFunction=set_addnl_vfunction;
	this.clearAllValidations = clear_all_validations;
}
function set_addnl_vfunction(functionname){
  this.formobj.addnlvalidation = functionname;
}
function clear_all_validations(){
	for(var itr=0;itr < this.formobj.elements.length;itr++){
		this.formobj.elements[itr].validationset = null;
	}
}
function form_submit_handler(){
	for(var itr=0;itr < this.elements.length;itr++)	{
		if(this.elements[itr].validationset &&
	   !this.elements[itr].validationset.validate()){
		  return false;
		}
	}
	if(this.addnlvalidation){
	  str =" var ret = "+this.addnlvalidation+"()";
	  eval(str);
    if(!ret) return ret;
	}
	return true;
}
function add_validation(itemname,descriptor,errstr)
{
  if(!this.formobj)
	{
	  alert("BUG: the form object is not set properly");
		return;
	}//if
	var itemobj = this.formobj[itemname];
  if(!itemobj)
	{
	  alert("BUG: Couldnot get the input object named: "+itemname);
		return;
	}
	if(!itemobj.validationset)
	{
	  itemobj.validationset = new ValidationSet(itemobj);
	}
  itemobj.validationset.add(descriptor,errstr);
}
function ValidationDesc(inputitem,desc,error)
{
  this.desc=desc;
	this.error=error;
	this.itemobj = inputitem;
	this.validate=vdesc_validate;
}
function vdesc_validate()
{
 if(!V2validateData(this.desc,this.itemobj,this.error))
 {
    this.itemobj.focus();
		return false;
 }
 return true;
}
function ValidationSet(inputitem)
{
    this.vSet=new Array();
	this.add= add_validationdesc;
	this.validate= vset_validate;
	this.itemobj = inputitem;
}
function add_validationdesc(desc,error)
{
  this.vSet[this.vSet.length]=
	  new ValidationDesc(this.itemobj,desc,error);
}
function vset_validate()
{
   for(var itr=0;itr<this.vSet.length;itr++)
	 {
	   if(!this.vSet[itr].validate())
		 {
		   return false;
		 }
	 }
	 return true;
}
function validateEmailv2(email)
{
// a very simple email validation checking.
// you can add more complex email checking if it helps
    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;
    }

                document.getElementById("errAddBlog").innerHTML="Please Enter correct email Address";
return false;
}

function V2validateData(strValidateStr,objValue,strError){
    var epos = strValidateStr.search("=");
    var  command  = "";
    var  cmdvalue = "^[A-Za-z]+://[A-Za-z0-9-_]+\\.[A-Za-z0-9-_%&\?\/.=]+$";
    if(epos >= 0) {
     command  = strValidateStr.substring(0,epos);
     cmdvalue = strValidateStr.substr(epos+1);
    }else{
     command = strValidateStr;
    }
    switch(command){
        case "req":
        case "required": {
           if(eval(objValue.value.length) == 0) {
              if(!strError || strError.length ==0){
                strError = objValue.name + " : Required Field";
              }//if
            //  alert(strError);
               document.getElementById('errAddBlog').innerHTML=strError;
              return false;
           }//if
           break;
         }//case required
        case "maxlength":
        case "maxlen": {
             if(eval(objValue.value.length) >  eval(cmdvalue)) {
               if(!strError || strError.length ==0){
                 strError = objValue.name + " : "+cmdvalue+" characters maximum ";
               }//if
                   document.getElementById('errAddBlog').innerHTML=strError;
               return false;
             }//if
             break;
          }//case maxlen
        case "minlength":
        case "minlen":
           {
             if(eval(objValue.value.length) <  eval(cmdvalue)) {
               if(!strError || strError.length ==0){
                 strError = objValue.name + " : " + cmdvalue + " characters minimum  ";
               }//if
                   document.getElementById('errAddBlog').innerHTML=strError;
               return false;
             }//if
             break;
            }//case minlen
        case "alnum":
        case "alphanumeric":{
              var charpos = objValue.value.search("[^A-Za-z0-9]");
              if(objValue.value.length > 0 &&  charpos >= 0) {
               if(!strError || strError.length ==0){
                  strError = objValue.name+": Only alpha-numeric characters allowed ";
                }//if
                  document.getElementById("errAddBlog").innerHTML=strError;
                return false;
              }//if
              break;
           }//case alphanumeric
        case "num":
        case "numeric":
           {
              var charpos = objValue.value.search("[^0-9]");
              if(objValue.value.length > 0 &&  charpos >= 0) {
                if(!strError || strError.length ==0)
                {
                  strError = objValue.name+": Only digits allowed ";
                }//if
              document.getElementById('errAddBlog').innerHTML=strError;
                return false;
              }//if
              break;
           }//numeric
        case "alphabetic":
        case "alpha":
           {
              var charpos = objValue.value.search("[^A-Za-z]");
              if(objValue.value.length > 0 &&  charpos >= 0) {
                  if(!strError || strError.length ==0) {
                  strError = objValue.name+": Only alphabetic characters allowed ";
                }//if
                   document.getElementById("errAddBlog").innerHTML=strError;
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]");
                return false;
              }//if
              break;
           }//alpha
		case "alnumhyphen":{
              var charpos = objValue.value.search("[^A-Za-z0-9\-_]");
              if(objValue.value.length > 0 &&  charpos >= 0){
                  if(!strError || strError.length ==0){
                  strError = objValue.name+": characters allowed are A-Z,a-z,0-9,- and _";
                }//if
                document.getElementById('errAddBlog').innerHTML=strError;
                return false;
              }//if
			break;
			}
        case "email": {
               if(!validateEmailv2(objValue.value)) {
                 if(!strError || strError.length ==0) {
                    strError = objValue.name+": Enter a valid Email address ";
                 }//if
                    document.getElementById("errAddBlog").innerHTML=strError;
                 return false;
               }//if
           break;
          }//case email
        case "lt":
        case "lessthan": {
            if(isNaN(objValue.value)) {
              alert(objValue.name+": Should be a number ");
              return false;
            }//if
            if(eval(objValue.value) >=  eval(cmdvalue)) {
              if(!strError || strError.length ==0) {
                strError = objValue.name + " : value should be less than "+ cmdvalue;
              }//if
              alert(strError);
              return false;
             }//if
            break;
         }//case lessthan
        case "gt":
        case "greaterthan": {
            if(isNaN(objValue.value)) {
              alert(objValue.name+": Should be a number ");
              return false;
            }//if
             if(eval(objValue.value) <=  eval(cmdvalue))
             {
               if(!strError || strError.length ==0)
               {
                 strError = objValue.name + " : value should be greater than "+ cmdvalue;
               }//if
               alert(strError);
               return false;
             }//if
            break;
         }//case greaterthan
        case "regexp":
         {
            if(!objValue.value.match(cmdvalue))
            {
              if(!strError || strError.length ==0)
              {
                strError = objValue.name+": Invalid characters found ";
              }//if
              document.getElementById('errAddBlog').innerHTML=strError;
              return false;
            }//if
           break;
         }//case regexp
        case "dontselect":
         {
            if(objValue.selectedIndex == null)
            {
              alert("BUG: dontselect command for non-select Item");
              return false;
            }
            if(objValue.selectedIndex == eval(cmdvalue))
            {
             if(!strError || strError.length ==0)
              {
              strError = objValue.name+": Please Select one option ";
              }//if
              alert(strError);
              return false;
             }
             break;
         }//case dontselect
    }//switch
    return true;
}
/*
	Copyright 2003 JavaScript-coder.com. All rights reserved.
*/