// JavaScript Document

function validateChangePassword(f) {
	var error = false;

	var oldPassword = f.txtOldPassword;
	var password = f.txtPassword;
	var password2 = f.txtPassword2;
	
	var errorSpan = document.getElementById("errormessage");
	
	if( isBlank(oldPassword.value) ) { 
		error = true;
		oldPassword.style.background = 'Yellow';	
		errorSpan.innerHTML = "Password is compulsory.";
		oldPassword.focus();
	} else { 
		oldPassword.style.background = 'White';		
		errorSpan.innerHTML = "";
	} // if( isBlank(oldPassword.value) )	

	if( isBlank(password.value) ) { 
		error = true;
		password.style.background = 'Yellow';	
		errorSpan.innerHTML = "Password is compulsory.";
		password.focus();
	} else { 
		password.style.background = 'White';		
		errorSpan.innerHTML = "";
	} // if( isBlank(password.value) )	
	
	if( isBlank(password2.value) ) { 
		error = true;
		password2.style.background = 'Yellow';	
		errorSpan.innerHTML = "Please, retype your passowrd.";
		password2.focus();
	} else { 
		if( password2.value ==  password.value) {
			password2.style.background = 'White';
			errorSpan.innerHTML = "";
		} else {
			error = true;		
			password2.style.background = 'Yellow';
			errorSpan.innerHTML = "Both passwords must match each other.";
			password2.focus();
		}
	} // if( isBlank(password.value) )	

	if(error == true) {
		return false;
	} // if(error == true)
} // validateChangePassword(...)