br=navigator.appName; //browser type

function setVisible(object,choice){
 if(document.all){ //for IE
   eval('document.all.'+object+'.style.visibility=\''+choice+'\';');
 }
 if(document.getElementById) { //for firefox
   eval('document.getElementById("'+object+'").style.visibility=\''+choice+'\';');
 }
 if(document.layers) { //for netscape
   eval('document.layers["'+object+'"].visibility=\''+choice+'\';');
 }
}

function validate(f){
  if (!f.phone.value){
    alert('Thank you for expressing interest in our listings.  We are happy to respond by email to provide additional information and trust you find this helpful.  We have requested a phone number for follow-up and do not use your phone number for any other purpose.  We have found it helpful to more specifically address your questions and area of real estate interest when having the opportunity to speak with you.');
	f.phone.focus();
	return false;
  }
}