// Javascript for Flagstaff Gallery 03/08/02
// Updates:


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];}
}

windowprops = "top=0,left=0,resizable=no" + ",width=" + screen.width + ",height=" + screen.height + ",fullscreen=yes" + ",scrollbars=auto";
function openWindow(theURL,winName,windowprops) {
  	window.open(theURL,winName,windowprops).focus();
}

function jump(sel) {
	var url = sel.options[sel.selectedIndex].value;
	if ( url != '#' ) top.location = url;
}

function checkForm(){
	if (document.nzmba_contact.name.value == "") {
		alert("Please enter your name."); 
		document.nzmba_contact.name.focus();
	} else if (document.nzmba_contact.email.value == "") {
		alert("Please enter your email address."); 
		document.nzmba_contact.email.focus();
	} else if(null == document.nzmba_contact.email.value.match(/[a-zA-Z0-9._]+@[a-zA-Z0-9.-_]+/)) {
		alert("Please enter a valid email address."); 
		document.nzmba_contact.email.focus();
	} else if (document.nzmba_contact.comments.value == "") {
		alert("Please complete the comments field."); 
		document.nzmba_contact.comments.focus();
	} else {
	document.nzmba_contact.action="http://w3.net.nz/nzmba_smtp.php";
	document.nzmba_contact.submit();
	}
}

function checkSignup(){
	if (document.flagstaff_mailing_list.name.value == "") {
		alert("please enter your name."); 
		document.flagstaff_mailing_list.name.focus();
	} else if (document.flagstaff_mailing_list.email.value == "") {
		alert("please enter your email address."); 
		document.flagstaff_mailing_list.email.focus();
	} else if(null == document.flagstaff_mailing_list.email.value.match(/[a-zA-Z0-9._]+@[a-zA-Z0-9.-_]+/)) {
		alert("please enter a valid email address."); 
		document.flagstaff_mailing_list.email.focus();
	} else {
	document.flagstaff_mailing_list.action="mailing_list.php";
	document.flagstaff_mailing_list.submit();
	}
}

function printPage() {
  if (window.print)
    window.print()
  else
    alert("Sorry, your browser doesn't support this feature.");
}