function passwordStrength(password)
{
	var desc = new Array();
	desc[0] = "Very Weak";
	desc[1] = "Weak";
	desc[2] = "Better";
	desc[3] = "Medium";
	desc[4] = "Strong";
	desc[5] = "Strongest";

	var score   = 0;

	//if password is 0
	//alert(password.length)
	if (password.length == 0)
	{
		score=0;
	} 
	
	//if password bigger than 6 give 1 point
	if (password.length > 5) score++;

	//if password has both lower and uppercase characters give 1 point	
	if ( ( password.match(/[a-z]/) ) && ( password.match(/[A-Z]/) ) ) score++;

	//if password has at least one number give 1 point
	if (password.match(/\d+/)) score++;

	//if password has at least one special caracther give 1 point
	if ( password.match(/.[!,@,#,$,%,^,&,*,?,_,~,-,(,)]/) )	score++;

	//if password bigger than 12 give another 1 point
	if (password.length > 10) score++;

	 //document.getElementById("passwordDescription").innerHTML = desc[score];
	 if (score == 0)
	 {
	 	document.getElementById("passwordStrength").className = "";
		document.getElementById("passwordDescription").innerHTML = "Enter Password";
	}
	else
	{
		document.getElementById("passwordStrength").className = "strength" + score;
		document.getElementById("passwordDescription").innerHTML = desc[score];
	}
		
}