function doValidateAdd(){
	var Username, Password, ConfirmPassword, FirstName, LastName, Email;
	
	Username		= document.form1.txtUsername.value;
	Password		= document.form1.txtPassword.value;
	ConfirmPassword	= document.form1.txtConfirmPassword.value;
	FirstName		= document.form1.txtFirstName.value;
	LastName		= document.form1.txtLastName.value;
	Email			= document.form1.txtEmail.value;
	
	if (Username.length<3){
		alert ("Please enter a valid username!!!");
		return false;
		}
	if (Password.length<3){
		alert ("Please enter a valid password!!!");
		return false;
		}
	if(Password!=ConfirmPassword){
		alert ("Your new password and confirm new password do not matched!!!")
		return false;
		}
	if (FirstName.length<1){
		alert ("Please enter a valid first name!!!");
		return false;
		}
	if (LastName.length<1){
		alert ("Please enter a valid last name!!!");
		return false;
		}
	if (Email.length<5 || Email.indexOf("@")==-1 || Email.indexOf(".")==-1){
		alert ("Please enter a valid email!!!");
		return false;
		}
	}

function doValidateUpdate(){
	var FirstName, LastName, Email;
	
	FirstName		= document.AdvertiserForm.FirstName.value;
	LastName		= document.AdvertiserForm.LastName.value;
	Email			= document.AdvertiserForm.Email.value;
	
	if (FirstName.length<1){
		alert ("Please enter a valid first name!!!");
		return false;
		}
	if (LastName.length<1){
		alert ("Please enter a valid last name!!!");
		return false;
		}
	if (Email.length<5 || Email.indexOf("@")==-1 || Email.indexOf(".")==-1){
		alert ("Please enter a valid email!!!");
		return false;
		}
	}

function doValidateUsername(){
	var Username
	Username = document.UsernameForm.Username.value;
	
	if (Username.length<1){
		alert ("Please enter a valid new username!!!");
		return false;
		}
	}

function doValidatePassword(){
	var Password, ConfirmPassword
	Password		= document.PasswordForm.Password.value;
	ConfirmPassword	= document.PasswordForm.ConfirmPassword.value;
		
	if (Password.length<3){
		alert ("Please enter valid new password.")
		return false;
		}
	if(Password!=ConfirmPassword){
		alert ("Your new password and confirm new password do not matched!!!")
		return false;
		}
	}

function doValidateSearch(){
	var SearchText;
	
	SearchText	= document.SearchForm.SearchText.value;
	
	if (SearchText.length<1){
		alert ("Please enter a valid word for searching!!!");
		return false;
		}
	}