function Master_SlaveColumnController ()
{
	 var Master = document.getElementById('MasterColumn');
	 var Slave = document.getElementById('SlaveColumn');
	 if (Slave.className.indexOf('Opened') == -1 ) 
	 
	 		{
			Slave.className+=' SlaveColumnOpened';
			Master.className = Master.className.replace(new RegExp(' MasterColumnExtended\\b'),'');
			} 
			else 
			{
				Slave.className = Slave.className.replace(new RegExp(' SlaveColumnOpened\\b'),'');
				Master.className+=' MasterColumnExtended';
			}
			return false;

}

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 bigger than 6 give 1 point
 if (password.length > 6) 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 > 12) score++;

 document.getElementById("passwordDescription").innerHTML = desc[score];
 document.getElementById("passwordStrength").className = "strength" + score;
}