//image over
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//--gbt row colour change
var optionColor_off = "#ffffff";
var optionColor_over = "#C0C0C0";

function highlight(objectName,on){
	if (on) { objectName.bgColor = optionColor_over;}
		else { objectName.bgColor = optionColor_off;}
}

//date
function tellDate() {
  var dayNames = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
  monthNames = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
  var now = new Date();
  //This fixes NN to display correct Y2K year
  var isNS=(navigator.appName=="Netscape");
  var currentYear= (isNS) ? now.getYear()+1900 : now.getYear();
  document.write( monthNames[now.getMonth()] + " " + now.getDate() + ", " + currentYear);
}

// this currently does not grey out the maximise window in IE 5.0
var win= null;
function newwindow(mypage,myname,w,h,scroll,size){
var winl = (screen.width-w)/100;
var wint = (screen.height-h)/100;
settings='height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',toolbar=no,location=no,status=yes,menubar=no,resizable='+size+',dependent=no'
win=window.open(mypage,myname,settings)
if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}

//form checker 
	function checkrequired(which) {
var pass=true;
if (document.images) {
for (i=0;i<which.length;i++) {
var tempobj=which.elements[i];
if (tempobj.name.substring(0,8)=="required") {
if (((tempobj.type=="text"||tempobj.type=="textarea")&&
tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&
tempobj.selectedIndex==0)) {
pass=false;
break;
         }
      }
   }
}
if (!pass) {
shortFieldName=tempobj.name.substring(8,30).toUpperCase();
alert("Please make sure the "+shortFieldName+" field was properly completed.");
return false;
}
			if (document.contactForm.email.value.indexOf('@',0)==-1 || document.contactForm.email.value.indexOf('@',0)== 0 || document.contactForm.email.value.indexOf('.',0)==-1) {
		    alert('\nInvalid email address.')
		    document.contactForm.email.select()
		    document.contactForm.email.focus()
		    return false;
		    }				
			if (document.contactForm.privacy.checked == false){	
				alert("Please read and accept the Privacy Policy");
				return false;
			}
			else
				return true;
		} 
		
//numbers only
function validate(field) {
var valid = "+0123456789 "
var ok = "yes";
var temp;
for (var i=0; i<field.value.length; i++) {
temp = "" + field.value.substring(i, i+1);
if (valid.indexOf(temp) == "-1") ok = "no";
}
if (ok == "no") {
alert("Please enter a valid telephone number.");
field.focus();
field.select();
   }
}