function isPhoneNumber(PhoneNumber) 
{
 
     // Check for correct phone number
     rePhoneNumber = new RegExp(/^\([1-9]\d{2}\)\s?\d{3}\-\d{4}$/);
 
     if (!rePhoneNumber.test(PhoneNumber)) {
         return false;
     }
 
return true;
}

function IsNumber(PhoneNumber)
{
   var ValidChars = "0123456789";
   var IsNumericNumber=true;
   var Char;

 
   for (i = 0; i < PhoneNumber.length && IsNumericNumber == true; i++) 
      { 
      Char = PhoneNumber.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumericNumber = false;
         }
      }
   return IsNumericNumber;
   
   }  
  
   
function IsNumeric(Text)
{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < Text.length && IsNumber == true; i++) 
      { 
      Char = Text.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
   }


function IsNumberWithSeperator(PhoneNumber)
{
   var ValidChars = "0123456789,";
   var IsNumericNumber=true;
   var Char;

 
   for (i = 0; i < PhoneNumber.length && IsNumericNumber == true; i++) 
      { 
      Char = PhoneNumber.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumericNumber = false;
         }
      }
   return IsNumericNumber;
   
   }