// Validate phone number is valid (client side)
function IsNumeric(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;
   }

		// Validate email address (client side) then call phone number validation, then send email
function validate(form_id,email,phone) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   var address = document.forms[form_id].elements[email].value;
   var caller = document.forms[form_id].elements[phone].value;
   if(reg.test(address) == false) {
      alert('Please enter a valid email address');
      return false;
   }
   else {
        if(IsNumeric(caller) == true) {  
		document.form2.submit();
		}
	else{
		alert('Please enter a valid phone number');
		}

   }
}