// JavaScript Document

function validatephone()
{

if(document.frm_phone.txtbPhoneAreaCode.value=="")
	{

	alert("First Column is Required");
	return false;

	}

if(document.frm_phone.txtbPhonePrefix.value=="")
	{

	alert("Second Column is Required");
	return false;

	}
if(document.frm_phone.txtbPhoneLast4.value=="")
	{

	alert("Third Column is Required");
	return false;

	}
return true;
}	

function validatenumber(number,str)
{			newstr = "";
		  if(isNaN(number))
         {
           for(var i=0;i<= number.length; i++)
            {
              if(!isNaN(number[i]))
               {
                  newstr += number[i];
               }
            }
    		if(str=="txtbPhoneLast4")
			document.frm_phone.txtbPhoneLast4.value=newstr;
			if(str=="txtbPhonePrefix")
			document.frm_phone.txtbPhonePrefix.value=newstr;
			if(str=="txtbPhoneAreaCode")
			document.frm_phone.txtbPhoneAreaCode.value=newstr;
			return false;	
         }

return true;

}