var undefined;


var isNS = false;
var isOther = false;
var isSafari = false;
if (navigator.appVersion.indexOf("Safari") != -1) { isSafari = true; }
var bV = navigator.appVersion.charAt(0);
if (navigator.appName == "Netscape" && !isSafari) { isNS = true; }
else if (navigator.appName != "Microsoft Internet Explorer") { isOther = true; }

var isMac = false;
if (navigator.platform == "MacPPC") { isMac = true; }

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

function swapImgRestore() {
	var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function findObj(n, d) {
	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=findObj(n,d.layers[i].document); return x;
}

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

function showHideLayers() {
	var i,p,v,obj,args=showHideLayers.arguments;
	for (i=0; i<(args.length-2); i+=3) if ((obj=findObj(args[i]))!=null) { v=args[i+2];
	if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
	obj.visibility=v; }
}

function photoWin(loc,w,h) {
	photoWindow = window.open( "/popups/photowin.html?loc=" + loc + "&w=" + w + "&h=" + h, "Photo_Window", "height=300,width=300,top=60,left=60,scrollbars=no,resizable=yes,status=yes,toolbar=no,menubar=no");
	setTimeout('photoWindow.focus()',0);
}


function tourLogin() {
	
}

function submitContact() {
	// validate
	var nameField = document.getElementById("name");
	var companyField = document.getElementById("company");
	var emailField = document.getElementById("email");
	var telephoneField = document.getElementById("telephone");
	if (nameField.value == "") {
		alert("Please enter your name");
		nameField.focus();
		return;
	}
	if (companyField.value == "") {
		alert("Please enter company");
		companyField.focus();
		return;
	}
	if (emailField.value == "") {
		alert("Please enter your email address");
		nameField.focus();
		return;
	}
	if (telephoneField.value == "") {
		alert("Please enter your telephone number");
		telephoneField.focus();
		return;
	}
	// validation passed, so submit
	document.forms[0].submit();
}