sfHover = function() {
	var sfEls = document.getElementById("nav").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 validate(f) {
	var ok = true;
	if (f.ContactName.value == '') ok = false;
    if (f.emailAddress.value == '') ok = false;
    if (ok)
      {
      if (!f.Prospectus.checked && f.Comments.value == '' )
         { alert("You must select Prospectus Check Box or enter your Query in the text box");
           return false;
         }
       if (!isEmail(f.emailAddress.value))
         { alert("Your email address doesn't appear to be valid, please re-enter it");
           return false;
         }
      if ( f.Prospectus.checked && (f.Add1.value == '' ))
         { alert("You must enter your Address");
           return false;
         }
      
      }  
	if(!ok)
		alert("Please enter data in fields marked with *");
	return ok;
 }

 function isEmail (s) {
	var i = 1;
	var sLength = s.length;

    while ((i < sLength) && (s.charAt(i) != "@")) {
		i++;
	}
	if ((i >= sLength) || (s.charAt(i) != "@"))
		return false;
	else
		i += 2;
	while ((i < sLength) && (s.charAt(i) != ".")) {
		i++;
	}
	if ((i >= sLength - 1) || (s.charAt(i) != "."))
		return false;
	else
		return true;
 }

 
 
 if (window.attachEvent) window.attachEvent("onload", sfHover);	  


 
function LinkUp() {
var number = document.NewsSelect.SelectNews.selectedIndex;
 if(document.NewsSelect.SelectNews.options[number].value != "no")
 {
  window.open (document.NewsSelect.SelectNews.options[number].value);
 }
}

function LinkUpPolicy() {
var number = document.PolicySelect.SelectPolicy.selectedIndex;
 if(document.PolicySelect.SelectPolicy.options[number].value != "no")
 {
  window.open (document.PolicySelect.SelectPolicy.options[number].value);
 }
}

function LinkUpBrochure() {
var number = document.BrochureSelect.SelectBrochure.selectedIndex;
 if(document.BrochureSelect.SelectBrochure.options[number].value != "no")
 {
  window.open (document.BrochureSelect.SelectBrochure.options[number].value);
 }
}