function isMobile(mobile)

{
	
	var rex = /[^\d|\s]/;
	trimmed = mobile.replace(/\s+/g,"");
	if (!trimmed.match(/^[0-9]+$/)) 
	
	{
		
		alert("The mobile number you entered was not a valid number. Please try again.");
		return false;

	}

	else 
	
	{
		
		return true;

	}

}

//