<!--

sfHover = function() {
	var sfEls = document.getElementById("popout").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


function openCalculator(url) {
 
   popupWin = window.open(url, 'remote','menubar=no,toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=yes,dependent,width=800,height=580,left=0,top=0')

}


function validate() {
var myRegExp = /[a-z0-9-.]{1,40}@[a-z0-9-.]{4,70}/;

if(document.getElementById("firstname").value=="") {

   alert("Please enter your first name"); 
   return false;

} else if(document.getElementById("surname").value=="") {

   alert("Please enter your surname"); 
   return false;


} else if(!myRegExp.test(document.getElementById("email").value)) {

   alert("Please enter a valid contact email address"); 
   return false;

  } else {

    return true;

  }
  
}

//-->