var IE = "IE";
var MOZILLA = "MOZILLA";
var OPERA = "OPERA";
var SAFARI = "SAFARI";
var UNKNOWN = null;
var BROWSER = UNKNOWN;
if (navigator.appVersion.indexOf("MSIE")!=-1){
	BROWSER = IE;
} else if(navigator.userAgent.indexOf("Safari")!=-1) {
	BROWSER = SAFARI;
} else if(navigator.userAgent.indexOf("Opera")!=-1) {
	BROWSER = OPERA;
} else if(navigator.appName=="Netscape") {
	BROWSER = MOZILLA;
}

var ShoppingCart = null;

function recursiveNodeRemove(node) {
	var fc;
	while(fc = node.firstChild) {
		recursiveNodeRemove(fc);
	}
	node.parentNode.removeChild(node);
}

function clearNode(node) {
	while(node.firstChild)
		recursiveNodeRemove(node.firstChild);
}

function insertAfter(objToIns, objAfter) {
	var obj = objAfter.nextSibling;
	if(obj == null) {
		objAfter.parentNode.appendChild(objToIns);
	} else {
		objAfter.parentNode.insertBefore(objToIns, obj);
	}
}

function showLoading(node, clear) {
	if(clear)  clearNode(node);
	var img = document.createElement("img");
	img.src = "/lib/images/loading.gif";
	img.alt = "loading...";
	node.appendChild(img);
}

function testDoc(doc) {
	if(!doc || !doc.documentElement) {
		return false;
	}
	if(doc.documentElement.nodeName == "exception") {
		if(doc.documentElement.firstChild)
			throw doc.documentElement.firstChild.nodeValue;
		throw "an exception occurred during xml transaction";
	}
	return true;
}

function nodeVal(node) {
	if(!node || !node.firstChild || !node.firstChild.nodeValue) return "";
	return node.firstChild.nodeValue;
};


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) { //v4.01
  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 && d.getElementById) x=d.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];}
}

function Page_Loaded(ip) {
	MM_preloadImages(
			'/lib/images/home-btn-over.jpg',
			'/lib/images/about-btn-over.jpg',
			'/lib/images/plans-over.jpg',
			'/lib/images/hosting-btn-over.jpg',
			'/lib/images/portfolio-btn-over.jpg',
			'/lib/images/support-btn-over.jpg',
			'/lib/images/faq-btn-over.jpg',
			'/lib/images/contact-btn-over.jpg'
	);
	
//	var shoppingCartSmallDiv = document.getElementById("shopping_cart_small");
//	if(shoppingCartSmallDiv) {
//		ShoppingCart = new ShoppingCart(shoppingCartSmallDiv, ip);
//	} else {
//		alert("no shopping cart div");
//	}
	
}

function formatCurrency(num) {
	num = num.toString().replace(/\$|\,/g,'');
	if(isNaN(num)) num = "0";
	sign = (num == (num = Math.abs(num)));
	num = Math.floor(num*100+0.50000000001);
	cents = num%100;
	num = Math.floor(num/100).toString();
	if(cents<10) cents = "0" + cents;
	for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
	num = num.substring(0,num.length-(4*i+3))+','+
	num.substring(num.length-(4*i+3));
	return (((sign)?'':'-') + '$' + num + '.' + cents);
}

function isEmail(s) {
	return new RegExp('^[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+@[-!#$%&\'*+\\/0-9=?A-Z^_`a-z{|}~]+\.[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+$').test(s);
} 
/**
 * Test for a secure password:
 * 
 * - Must have either a non word (punctuation) or number
 * - Must be 8 chars or more
 * - Must have no new lines
 * - Must have at least 1 Capital Letter
 * - Must have at least 1 lower case Letter
 */
function isStrongPassword(s) {
	return /(?=^.{8,}$)((?=.*\d)|(?=.*\W+))(?![.\n])(?=.*[A-Z])(?=.*[a-z]).*$/.test(s);
}