function check(str){
	validate = new String(str.value);
	re = /\\|\{|\}|\/|\[|\]|<|>|&|:|\;/g;
	if (validate.search(re)>-1){
		alert("Please do not enter special characters.");
		str.value="";
		str.focus();
	}
}


function isEmailAddr(email)
{
  var result = false
  var theStr = new String(email)
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}


function valForm(theForm){
	if (theForm.first.value == "" ){
    alert("Please enter your first name.");
    theForm.first.focus();
    return (false);
	} 
  
	if (theForm.last.value == "" ){
    alert("Please enter your last name.");
    theForm.last.focus();
    return (false);
	} 

	if (theForm.email.value == "" || !isEmailAddr(theForm.email.value)){
    alert("Please enter your Email Address.");
    theForm.email.focus();
    return (false);
  }  

  if (theForm.phone.value == "" || theForm.phone.value.length < 10 ){
	alert("Please enter a phone number with area code.");
    theForm.phone.focus();
    return (false);
  }

  if (theForm.phone.value.length > 20 ){
	alert("Please enter a phone number in the format ###-###-####.");
    theForm.phone.focus();
    return (false);
  }

  return (true);
}