var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();


/* COOKIE FUNCTIONS */
function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function deleteCookie (cookie_name) {
	var cookie_date = new Date ( );  // current date & time
	cookie_date.setTime ( cookie_date.getTime() - 1 );
	document.cookie = cookie_name += "=; expires=" + cookie_date.toGMTString();
}


function getQueryVariable(variable) {
 	var query = window.location.search.substring(1);
	var vars = query.split("&");
	for (var i=0;i<vars.length;i++) {
		var pair = vars[i].split("=");
		if (pair[0] == variable) {
			return pair[1];
		}
	} 
}

function trimAll(strValue) {
	var objRegExp = /^(\s*)$/;
	if(objRegExp.test(strValue)) {
		strValue = strValue.replace(objRegExp, '');
		if(strValue.length == 0) return strValue;
	}
	objRegExp = /^(\s*)([\W\w]*)(\b\s*$)/;
	if(objRegExp.test(strValue)) {
		strValue = strValue.replace(objRegExp, '$2');
	}
	return strValue;		
}

function parseParamsforAjax(formID) {
	var reqHeaders= new Array();
	formEl = $(formID).elements;
		for(x=0;x<formEl.length;x++) {
			if(formEl[x].name.length==0) {
				alert('Please make sure all input fields has a "name" attribute')
				return;						
			} else {
				reqHeaders+=formEl[x].name + "=" + encodeURI(formEl[x].value)+"&";
			}				
		}
	return reqHeaders;
}

function parseSkusforAjax(form) {
	var sku = '';
	var isFirstNum = true;	
	if (document.forms['productForm'].elements['sku']) {
		if( isNaN(document.forms['productForm'].sku.length)) {
			if (document.forms['productForm'].elements['sku'] && document.forms['productForm'].elements['sku'].checked == true) {
				sku += document.forms['productForm'].elements['sku'].value;			
			}
		} else {
			for (i=0;i<document.forms['productForm'].sku.length;i++) {
				if ( document.forms['productForm'].sku[i].checked == true ) {		
					if (isFirstNum) { isFirstNum = false; }
					else { sku += ',';  }
					sku += document.forms['productForm'].sku[i].value;
				}		
			}
		}
	}	
	
	document.forms[form].elements['skuId'].value = sku;
}

 function isNull(a) {
      return typeof a == 'object' && !a;
 }
 
 function printFrame(frameName) {
 	parent[frameName].focus();
	parent[frameName].print();
 }
 
 
function popupWindow(url, windowName, popupWidth, popupHeight, attr) {
	if(!attr) {
		attr = 'status=no,toolbar=no,menubar=no,location=no,resizable=no,scrollbars=auto';
	}
	window.open(url, windowName, 'width='+popupWidth+',height='+popupHeight+','+attr); 
}

var shoppingCartCookie = "cart";
var shoppingCartCookieExp = '365';
var shoppingCartCookieSeperator = '~'

function manageShoppingCartCookie(form, action) {
	var skus = document.forms[form].elements['skuId_a'].value;
	if(!$('memberUserName')) {// if not logged in
		if (readCookie(shoppingCartCookie)) {
			var cookieSkuIds = readCookie(shoppingCartCookie);
			var cookieSkuIdsList = cookieSkuIds.split(shoppingCartCookieSeperator);
			var skusList = skus.split(",");
			if(action == 'addSkus') {
				for (var a=0;a<skusList.length;a++) {
					var match = false;
					for (var b=0;b<cookieSkuIdsList.length;b++) {
						if(skusList[a] == cookieSkuIdsList[b]) {
							match = true;
							break;
						}
					} 
					if(match == false) {
						if(cookieSkuIdsList.length > 0) {
							cookieSkuIds += shoppingCartCookieSeperator;
						}
						cookieSkuIds += skusList[a];
					}
				}
				createCookie(shoppingCartCookie,cookieSkuIds,shoppingCartCookieExp);
			}else if(action == 'deleteSkus') {
				var newSkuList = "";
				var skuCount = 0;
				for (var a=0;a<cookieSkuIdsList.length;a++) {
					var match = false;
					for (var b=0;b<skusList.length;b++) {
						if(cookieSkuIdsList[a] == skusList[b]){
							match = true;
							break;
						}
					}
					if(match == false) {
						if(newSkuList.length > 0){
							newSkuList += shoppingCartCookieSeperator;
						}
						skuCount = skuCount + 1;
						newSkuList += cookieSkuIdsList[a];
					}
				}
				cookieSkuIds = newSkuList;
				if(cookieSkuIds.length > 0) {
					createCookie(shoppingCartCookie,cookieSkuIds,shoppingCartCookieExp);
				}else{
					createCookie(shoppingCartCookie,"",-1);
				}
			}
		}else if(action == 'addSkus') {
			skus = skus.replace(/,/g,shoppingCartCookieSeperator); 
			createCookie(shoppingCartCookie,skus,2);
		}
	}
}