function NumericCheckZip(sText)
{
   var ValidChars = "0123456789-";
   var IsNumber=true;
   var Char;

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

function NumericCheckPhone(sText)
{
   var ValidChars = "0123456789-()";
   var IsNumber=true;
   var Char;

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

function checkemail(EmailValue)
{
 var str=EmailValue;
 var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
 if (filter.test(str))
 {
  testresults=true;
 }
 else
 {
  testresults=false;
 }
 return (testresults);
}

function trim(s) 
{
  while (s.substring(0,1) == ' ') 
  {
    s = s.substring(1,s.length);
  }
  while (s.substring(s.length-1,s.length) == ' ') 
  {
    s = s.substring(0,s.length-1);
  }
  return s;
}

function ckEnter(evt)
{ 	
    var charCode = (window.event)?event.keyCode:evt.which;   
    if (charCode == 13)
    {
     document.onKeyPress = "";
    }
}