/***************************************/
/*             UTILITIES               */
/***************************************/
/***************************************/
/*            AVARIABLES               */
/***************************************/







/***************************************/
/* FROM VALIDATION                     */
/***************************************/
function checkInput(f)
{
	var hasError = false;
	var error = 'The following problems were encountered:\n\n';

	if(trim(f.company_name.value) == '')
	  {
		hasError = true;
		error += 'Please provide your Business Name.\n';
  	  }

	if(trim(f.EmailAddress.value) == '') 
	  {
		hasError = true;
		error += 'Please provide your Email.\n';
	  } 

	if((f.npa.value + f.nxx.value + f.xxxx.value).replace(/[^0-9]/g, '').length != 10) 
	  {
		hasError = true;
		error += 'The Phone Number does not appear to be valid.\n';
	  }

	if(hasError) alert(error);
	return !hasError;
}

function trim(s)
{
   return s.replace(/^\s*|\s*$/g, '');
}

/***************************************/
/*  GETELEMENTSBYTAGNAMES              */
/***************************************/
function getElementsByTagNames(list,obj) {
	if (!obj) var obj = document;
	var tagNames = list.split(',');
	var resultArray = new Array();
	for (var i=0;i<tagNames.length;i++) {
		var tags = obj.getElementsByTagName(tagNames[i]);
		for (var j=0;j<tags.length;j++) {
			resultArray.push(tags[j]);
		}
	}
	var testNode = resultArray[0];
	if (!testNode) return [];
	if (testNode.sourceIndex) {
		resultArray.sort(function (a,b) {
				return a.sourceIndex - b.sourceIndex;
		});
	}
	else if (testNode.compareDocumentPosition) {
		resultArray.sort(function (a,b) {
				return 3 - (a.compareDocumentPosition(b) & 6);
		});
	}
	return resultArray;
}

/***************************************/
/* LAST MODIFIED                       */
/***************************************/
function lastMod(date) 
	{
	var x = date || new Date (document.lastModified);
	Modif = new Date(x.toGMTString());
	Year = takeYear(Modif);
	Month = Modif.getMonth();
	Day = Modif.getDate();
	Mod = (Date.UTC(Year,Month,Day,0,0,0))/86400000;
	x = new Date();
	today = new Date(x.toGMTString());
	Year2 = takeYear(today);
	Month2 = today.getMonth();
	Day2 = today.getDate();
	now = (Date.UTC(Year2,Month2,Day2,0,0,0))/86400000;
	daysago = now - Mod;
	if (daysago < 0) return '';
	unit = 'days';
	if (daysago > 730) {
		daysago = Math.floor(daysago/365);
		unit = 'years';
	}
	else if (daysago > 60) {
		daysago = Math.floor(daysago/30);
		unit = 'months';
	}
	else if (daysago > 14) {
		daysago = Math.floor(daysago/7);
		unit = 'weeks'
	}
	var towrite = '';
	if (daysago == 0) towrite += 'today';
	else if (daysago == 1) towrite += 'yesterday';
	else towrite += daysago + ' ' + unit + ' ago';
	return towrite;
}


function takeYear(theDate) {
	var x = theDate.getYear();
	var y = x % 100;
	y += (y < 38) ? 2000 : 1900;
	return y;
}
/***************************************/
/* XMLHTTP                             */
/***************************************/
function sendRequest(url,callback,postData) {
	var req = createXMLHTTPObject();
	if (!req) return;
	var method = (postData) ? "POST" : "GET";
	req.open(method,url,true);
	req.setRequestHeader('User-Agent','XMLHTTP/1.0');
	if (postData)
		req.setRequestHeader('Content-type','application/x-www-form-urlencoded');
	req.onreadystatechange = function () {
		if (req.readyState != 4) return;
		if (req.status != 200 && req.status != 304) {
		//	alert('HTTP error ' + req.status);
			return;
		}
		callback(req);
	}
	if (req.readyState == 4) return;
	req.send(postData);
}

function XMLHttpFactories() {
	return [
		function () {return new XMLHttpRequest()},
		function () {return new ActiveXObject("Msxml2.XMLHTTP")},
		function () {return new ActiveXObject("Msxml3.XMLHTTP")},
		function () {return new ActiveXObject("Microsoft.XMLHTTP")}
	];
}

function createXMLHTTPObject() {
	var xmlhttp = false;
	var factories = XMLHttpFactories();
	for (var i=0;i<factories.length;i++) {
		try {
			xmlhttp = factories[i]();
		}
		catch (e) {
			continue;
		}
		break;
	}
	return xmlhttp;
}
/***************************************/
/* COOKIES                            */
/***************************************/
var Cookies = {
	init: function () {
		var allCookies = document.cookie.split('; ');
		for (var i=0;i<allCookies.length;i++) {
			var cookiePair = allCookies[i].split('=');
			this[cookiePair[0]] = cookiePair[1];
		}
	},
	create: function (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=/";
		this[name] = value;
	},
	erase: function (name) {
		this.create(name,'',-1);
		this[name] = undefined;
	}
};
Cookies.init();
/***************************************/
/* COOKIES                            */
/***************************************/
/* INITIALISE PREFERENCES (needs cookies) */
var Preferences = {
	init: function () {
		if (!Cookies.sitePrefs) return;
		sitePrefs = Cookies.sitePrefs.split(',,');
		for (var i=0;i<sitePrefs.length;i++) {
			var oneSitePref = sitePrefs[i].split(':');
			this[oneSitePref[0]] = oneSitePref[1];
		}	
	}
};
Preferences.init();

function $(id) {
	return document.getElementById(id);
}
/***************************************/
/* COOKIES                            */
/***************************************/
/* PUSH AND SHIFT FOR IE5 */
function Array_push() {
	var A_p = 0
	for (A_p = 0; A_p < arguments.length; A_p++) {
		this[this.length] = arguments[A_p]
	}
	return this.length
}

if (typeof Array.prototype.push == "undefined") {
	Array.prototype.push = Array_push
}

function Array_shift() {
	var A_s = 0
	var response = this[0]
	for (A_s = 0; A_s < this.length-1; A_s++) {
		this[A_s] = this[A_s + 1]
	}
	this.length--
	return response
}

if (typeof Array.prototype.shift == "undefined") {
	Array.prototype.shift = Array_shift
}

/***************************************/
/* GET STYLES                          */
/***************************************/

function getStyle(el,styleProp) {
	var x = document.getElementById(el);
	if (x.currentStyle)
		var y = x.currentStyle[styleProp];
	else if (window.getComputedStyle)
		var y = document.defaultView.getComputedStyle(x,null).getPropertyValue(styleProp);
	return y;
}
/***************************************/
/* ULTRA-SIMPLE EVENT ADDING           */
/***************************************/

function addEventSimple(obj,evt,fn) {
	if (obj.addEventListener)
		obj.addEventListener(evt,fn,false);
	else if (obj.attachEvent)
		obj.attachEvent('on'+evt,fn);
}

function removeEventSimple(obj,evt,fn) {
	if (obj.removeEventListener)
		obj.removeEventListener(evt,fn,false);
	else if (obj.detachEvent)
		obj.detachEvent('on'+evt,fn);
}
/***************************************/
/*   TRANSFORMATION                    */
/***************************************/

var transform = {
	object: undefined,
	init: function () {
		this.object = document.createElement('div');
	},
	DomToString: function (DOMTree) {			// gets documentFragment or other valid DOM tree
		this.object.innerHTML = '';
		this.object.appendChild(DOMTree.cloneNode(true));
		return this.object.innerHTML;			// returns string
	},
	StringToDom: function (string) {			// gets string
		this.object.innerHTML = string;
		var container = document.createDocumentFragment();
		var children = this.object.childNodes;
		for (var i=0;i<children.length;i++) {
			container.appendChild(children[i].cloneNode(true));
		}
		return container;				// returns documentFragment
	}
}
transform.init();