var da = (document.all) ? 1 : 0;
var pr = (window.print) ? 1 : 0;
var mac = (navigator.userAgent.indexOf("Mac") != -1);

function printPage() {
  if (pr) // NS4, IE5
    window.print()
  else if (da && !mac) // IE4 (Windows)
    vbPrintPage()
  else // other browsers
   alert("Sorry, your browser does not support this feature \n\n please select Print from your File menu.");
  return false;
}

function addBookmark(title,url) { 
if (window.sidebar) { 
window.sidebar.addPanel(title, url,""); 
} else if( document.all ) { 
window.external.AddFavorite( url, title); 
} else if( window.opera && window.print ) { 
return true; 
} 
} 

function validate_form ( )
{
	valid = true;

        if ( document.contact_form.FirstName.value == "" )
        {
                alert ( "Please fill in the 'Your Name' box." );
                valid = false;
                return valid;
        }
        else if (document.contact_form.Email.value == "" )
        {
                alert ( "Please fill in the 'Your Email Address' box." );
                valid = false;
        }
       
         return valid;
}