function registerformValidation(){
var FormValidationError=0;
var rForm=document.getElementById('RegisterFORM');

document.getElementById('CustomerNameValDIV').style.visibility="hidden";
document.getElementById('CustomerSurnameValDIV').style.visibility="hidden";
document.getElementById('CustomerEmailValDIV').style.visibility="hidden";
document.getElementById('CustomerPasswordValDIV').style.visibility="hidden";
document.getElementById('CustomerPassword2ValDIV').style.visibility="hidden";
document.getElementById('Telephone2ValDIV').style.visibility="hidden";

document.getElementById('JobTitleValDIV').style.visibility="hidden";
document.getElementById('CompanyNameValDIV').style.visibility="hidden";
document.getElementById('TaxOfficeValDIV').style.visibility="hidden";
document.getElementById('TaxNoValDIV').style.visibility="hidden";

document.getElementById('FormValStatusDIV').style.visibility="hidden";

rForm.CustomerName.className		="inputBox";
rForm.CustomerSurname.className		="inputBox";
rForm.CustomerEmail.className		="inputBox";
rForm.CustomerPassword.className	="inputBox";
rForm.CustomerPassword2.className	="inputBox";
rForm.Telephone2a.className			="inputBox1";
rForm.Telephone2b.className			="inputBox1";
rForm.Telephone2c.className			="inputBox1";

rForm.JobTitle.className			="inputBox";
rForm.CompanyName.className			="inputBox";
rForm.TaxNo.className				="inputBox";
rForm.TaxOffice.className			="inputBox";





var CustomerNamejs 		= rForm.CustomerName.value;
var CustomerSurnamejs 	= rForm.CustomerSurname.value;
var CustomerEmailjs		= rForm.CustomerEmail.value;
var CustomerPasswordjs 	= rForm.CustomerPassword.value;
var CustomerPassword2js	= rForm.CustomerPassword2.value;
var Telephone2ajs		= rForm.Telephone2a.value;
var Telephone2bjs		= rForm.Telephone2b.value;
var Telephone2cjs		= rForm.Telephone2c.value;

var JobTitlejs 			= rForm.JobTitle.value;
var CompanyNamejs 		= rForm.CompanyName.value;

var TaxNojs 			= rForm.TaxNo.value;
var TaxOfficejs 		= rForm.TaxOffice.value;

	if (CustomerNamejs == ""){
		document.getElementById('CustomerNameValDIV').style.visibility="visible";
		rForm.CustomerName.className="valinputBox";
		FormValidationError=1;
	}
	if (CustomerSurnamejs == ""){
		document.getElementById('CustomerSurnameValDIV').style.visibility="visible";
		rForm.CustomerSurname.className="valinputBox";
		FormValidationError=1;
	}

	if (CustomerEmailjs == ""){
		document.getElementById('CustomerEmailValDIV').style.visibility="visible";
		rForm.CustomerEmail.className="valinputBox";
		FormValidationError=1;
	}
	if (CustomerPasswordjs == ""){
		document.getElementById('CustomerPasswordValDIV').style.visibility="visible";
		rForm.CustomerPassword.className="valinputBox";
		FormValidationError=1;
	}
	

	if (Telephone2ajs == ""  ||  Telephone2bjs == "" || Telephone2cjs == ""){
		document.getElementById('Telephone2ValDIV').style.visibility="visible";
		rForm.Telephone2a.className="valinputBox1";
		rForm.Telephone2b.className="valinputBox1";
		rForm.Telephone2c.className="valinputBox1";
		FormValidationError=1;
	}
	
	if (rForm.AccountType.value==2){
		if (JobTitlejs == ""){
			document.getElementById('JobTitleValDIV').style.visibility="visible";
			rForm.JobTitle.className="valinputBox";
			FormValidationError=1;
		}
		if (CompanyNamejs == ""){
			document.getElementById('CompanyNameValDIV').style.visibility="visible";
			rForm.CompanyName.className="valinputBox";
			FormValidationError=1;
		}
		
		if (TaxNojs == ""){
			document.getElementById('TaxNoValDIV').style.visibility="visible";
			rForm.TaxNo.className="valinputBox";
			FormValidationError=1;
		}
		if (TaxOfficejs == ""){
			document.getElementById('TaxOfficeValDIV').style.visibility="visible";
			rForm.TaxOffice.className="valinputBox";
			FormValidationError=1;
		}
	}
	
	if(CustomerPasswordjs!=CustomerPassword2js){
		document.getElementById('CustomerPasswordValDIV').innerHTML="Sifrenizi kontrol ediniz.";
		document.getElementById('CustomerPasswordValDIV').style.visibility="visible";
		rForm.CustomerPassword.className="valinputBox";
		FormValidationError=1;	
	}

	if (CustomerPasswordjs.length<4){
		FormValidationError=1;
		document.getElementById('CustomerPasswordValDIV').innerHTML="Sifre En az 4 karakter.";
		document.getElementById('CustomerPasswordValDIV').style.visibility="visible";
		rForm.CustomerPassword.className="valinputBox";
	}

if (FormValidationError==1){
	document.getElementById('FormValStatusDIV').style.visibility="visible";
	return false;
	}
}