/**
 * Global scripts
 *
 * @Henry Postulart
 * @1.0
 */

/* Save the developer some typing :) */

var $D = YAHOO.util.Dom;
var $E = YAHOO.util.Event;
var $M = YAHOO.util.Motion;
var $A = YAHOO.util.Anim;
var $  = $D.get;

// store font size in httpsession.
function setFontSize(newSize)
{
	var url = getURIToSetFont() + "?fontSize=" + newSize;
	YAHOO.util.Connect.asyncRequest('GET', url, null, null);
}

function buildContactLinks() {
	if (typeof linkURL != "undefined") {
		var contactLinks = $D.getElementsByClassName("contactLink","a");
		for (var i = 0; i < contactLinks.length; i++) {
			contactLinks[i].href = linkURL;
		}
	}
}

function buildCustomerServiceLinks() {
	if (typeof customerServiceURL != "undefined") {
		var customerServiceLinks = $D.getElementsByClassName("customerServiceLink","a");
		for (var i = 0; i < customerServiceLinks.length; i++) {
			customerServiceLinks[i].href = customerServiceURL;
		}
	}
}

function buildFaqLinks() {
	if (typeof faqURL != "undefined") {
		var faqLinks = $D.getElementsByClassName("faqLink","a");
		for (var i = 0; i < faqLinks.length; i++) {
			faqLinks[i].href = faqURL;
		}
	}
}

function initHeaderFooter() {
	br.header.init();
	br.footer.init();
	br.header.Forms.init();
}

var br = {};

br.footer = {

	init : function() {
		// add classname to last element in fat footer
		var features = $D.getElementsByClassName('features', 'ul');
		if (features && features.length>0) {
			var last = features[features.length - 1].getElementsByTagName('li');
			$D.addClass(last[last.length - 1], 'last');
		}
		
		var boingImages = $D.getElementsByClassName('increase');

		for(var i = 0; i < boingImages.length; i++){
			var origW = boingImages[i].width;
			var origH = boingImages[i].height;
		}

		this.bodyDIV = document.getElementById("bd");
		this.theImages = $D.getElementsByClassName('increase', 'img');
		this.boingFactor = 1.5;
		this.width = origW;
		this.height = origH;
		$E.addListener(this.theImages, "mouseover", this.brBoingOver);
		$E.addListener(this.theImages, "mouseout", this.brBoingOut);
	},

	/*brBoingHelper : function(oEl, dir, amt){
		alert(oEl.width);
		var r = $D.getRegion(oEl);
		var w = r.right - r.left;
		var h = r.bottom - r.top;

		switch (dir.toLowerCase()) {
			case "up":
				w *= amt;
				h *= amt;
				break;

			case "dn":
				w /= amt;
				h /= amt;
				break;
			default:
				break;
		}
   		var attributes = {
   			width : {to : w},
   			height : {to : h}
   		};
		return attributes;
	},*/
	brBoingHelper1 : function(oEl, amt, origW, origH){

		var r = $D.getRegion(oEl);
   		var attributes = {
   			width : {to : 165},
   			height : {to : 90}

   		};
		return attributes;
		oEl.clear();
	},
	brBoingHelper2 : function(oEl, amt,origW, origH){

		var r = $D.getRegion(oEl);
   		var attributes = {
   			width : {to : 138},
   			height : {to : 82}
   		};
		return attributes;
		oEl.clear();
	},
	brBoingOver : function (e){
   		var attributes = br.footer.brBoingHelper1(this, br.footer.boingFactor, br.footer.width, br.footer.height);
   		var anim = new YAHOO.util.Anim(this, attributes, 0.5, YAHOO.util.Easing.backOut);
    	anim.animate();
	},
	brBoingOut : function (e){
   		var attributes = br.footer.brBoingHelper2(this, br.footer.boingFactor, br.footer.width, br.footer.height);
   		var anim = new YAHOO.util.Anim(this, attributes, 0.5, YAHOO.util.Easing.backOut);
   		anim.animate();
	}
}

br.header = {

	defaultTextSize : 11,

	init : function() {
		this.linkTextLarger = $("textLarger");
		this.linkTextNormal = $("textNormal");
		this.linkTextSmaller = $("textSmaller");
		this.linkPrint = $("triggerPrint");
		this.linkPrintForMiddle = $("triggerPrintForMiddle");
		$E.addListener(this.linkTextLarger,"click", this.makeTextLarger);
		$E.addListener(this.linkTextNormal,"click", this.makeTextNormal);
		$E.addListener(this.linkTextSmaller,"click", this.makeTextSmaller);
		$E.addListener(this.linkPrint,"click", this.invokePrint);
		$E.addListener(this.linkPrintForMiddle,"click", this.invokePrint);
	},

	makeTextLarger : function(e) {
		var currSize = parseInt($D.getStyle(document.body,"fontSize"),10);

		// IE hack
		if (isNaN(currSize) && $D.getStyle(document.body,"fontSize").indexOf("small")!=-1) currSize=br.header.defaultTextSize;

		$D.setStyle(document.body, "fontSize", currSize+1 + "px");
		setFontSize(currSize+1);
	},

	makeTextSmaller : function(e) {

		var currSize = parseInt($D.getStyle(document.body,"fontSize"),10);

		// IE hack
		if (isNaN(currSize) && $D.getStyle(document.body,"fontSize").indexOf("small")!=-1) currSize=br.header.defaultTextSize;

		$D.setStyle(document.body, "fontSize", (currSize-1) + "px");
		setFontSize(currSize-1);
	},

	makeTextNormal : function(e) {
		$D.setStyle(document.body, "fontSize", br.header.defaultTextSize + "px");
		setFontSize(br.header.defaultTextSize);
	},

	invokePrint : function(e) {
		window.print();
		$E.stopEvent(e);
	}

}

br.header.Forms = {
	init : function(e){
		var wrapper = $('topFormWrap');
		var searchBox = $('layerSearch');
		var loginBox = $('layerLogin');
		var langBox = $('layerLang');

		if($D.hasClass(searchBox, 'hide') && $D.hasClass(loginBox, 'hide')&&$D.hasClass(langBox, 'hide')){
				$D.addClass(wrapper, 'hide');
		}
		else{
			$D.removeClass(wrapper, 'hide');
		}

		this.triggers = $D.getElementsByClassName('trigger', 'a');
		$E.addListener(this.triggers,"click", this.brTriggerAction);


	},

	brTriggerAction : function(e){
		var wrapper = $('topFormWrap');
		var searchBox = $('layerSearch');
		var loginBox = $('layerLogin');
		var langBox = $('layerLang');
		var loginTrigger = $('triggerLogin');
		var searchTrigger = $('triggerSearch');
		var langTrigger = $('triggerLang');
		var uInfo = $('layerLoggedin');

		if(this.id == 'triggerSearch'){
			if($D.hasClass(searchBox, 'hide')){
				$D.removeClass(searchBox, 'hide');
				$D.removeClass(wrapper, 'hide');
				$D.addClass(searchTrigger, 'arwUp');
				$D.addClass(searchBox, 'showing');
				if($D.hasClass(loginBox, 'showing') || $D.hasClass(langBox, 'showing')){
					$D.replaceClass(loginBox, 'showing', 'hide');
					$D.replaceClass(langBox, 'showing', 'hide');
					$D.removeClass(loginTrigger, 'arwUp');
					$D.removeClass(langTrigger, 'arwUp');
				}
				//$D.addClass(uInfo, 'shiftDown');

			}
			else{
				$D.addClass(searchBox, 'hide');
				$D.removeClass(searchTrigger, 'arwUp');
				$D.removeClass(uInfo, 'shiftDown');
			}
		}
		if(this.id == 'triggerLogin'){
			if($D.hasClass(loginBox, 'hide')){
				$D.removeClass(loginBox, 'hide');
				$D.removeClass(wrapper, 'hide');
				$D.addClass(loginTrigger, 'arwUp');
				$D.addClass(loginBox, 'showing');
				if($D.hasClass(searchBox, 'showing') || $D.hasClass(langBox, 'showing')){
					$D.replaceClass(searchBox, 'showing', 'hide');
					$D.replaceClass(langBox, 'showing', 'hide');
					$D.removeClass(langTrigger, 'arwUp');
					$D.removeClass(searchTrigger, 'arwUp');
				}
			}
			else{
				$D.addClass(loginBox, 'hide');
				$D.removeClass(loginTrigger, 'arwUp');
			}
		}

		if(this.id == 'triggerLang'){
			if($D.hasClass(langBox, 'hide')){
				$D.removeClass(langBox, 'hide');
				$D.removeClass(wrapper, 'hide');
				$D.addClass(langTrigger, 'arwUp');
				$D.addClass(langBox, 'showing');
				if($D.hasClass(loginBox, 'showing') || $D.hasClass(searchBox, 'showing')){
					$D.replaceClass(loginBox, 'showing', 'hide');
					$D.replaceClass(searchBox, 'showing', 'hide');
					$D.removeClass(loginTrigger, 'arwUp');
					$D.removeClass(searchTrigger, 'arwUp');
				}
			}
			else{
				$D.addClass(langBox, 'hide');
				$D.removeClass(langTrigger, 'arwUp');
			}
		}

		if($D.hasClass(searchBox, 'hide') && $D.hasClass(loginBox, 'hide')&& $D.hasClass(langBox, 'hide')){
				$D.addClass(wrapper, 'hide');
		}
	}
};

function resizeProgressBarContainer() {
	var container = $('progressBarContainer');
	var mask = $('progressBarMask');
	var bar = $('xpbar_frame');
	
	if (container && mask && bar) {
		// reset sizes so doc measurements don't include masking elements
		$D.setStyle(container, 'height', 0 + 'px');
		$D.setStyle(container, 'width',  0 + 'px');
		$D.setStyle(mask, 'top', 0 + 'px');
		$D.setStyle(mask, 'height', 0 + 'px');
		$D.setStyle(mask, 'width',  0 + 'px');
		// calc doc sizes
		var pbct = $D.getDocumentScrollTop();
		var pbch = $D.getDocumentHeight();
		var pbcl = $D.getDocumentScrollLeft();
		var pbcw = $D.getDocumentWidth();
		// resize masking elements
		$D.setStyle(container, 'height', pbch + 'px');
		$D.setStyle(container, 'width',  pbcw + 'px');
		$D.setStyle(mask, 'height', pbch + 'px');
		$D.setStyle(mask, 'width',  pbcw + 'px');
		// reposition progress bar container to center of visible page
		var h = parseInt($D.getStyle(bar,'height'), 10);
		var w = parseInt($D.getStyle(bar,'width'), 10);
		t = parseInt((($D.getClientHeight() - h) / 2), 10);
		l = parseInt((($D.getClientWidth() - w) / 2), 10);
		$D.setStyle(bar, 'top',  parseInt(pbct + t, 10) + 'px');
		$D.setStyle(bar, 'left', parseInt(pbcl + l, 10) + 'px');
	}
}

// Set up event handlers when the DOM is ready
YAHOO.util.Event.addListener(window, "load", function() {initHeaderFooter(); buildContactLinks(); buildCustomerServiceLinks(); buildFaqLinks(); resizeProgressBarContainer(); });
// set up progress bar event handlers
YAHOO.util.Event.addListener(window, "resize", function() { resizeProgressBarContainer(); });
YAHOO.util.Event.addListener(window, "scroll", function() { resizeProgressBarContainer(); });

/* Following two functions used to query browser url for ?var1=value1&var2=value2 */

function PageQuery(q) {

    if (q.length > 1) this.q = q.substring(1, q.length);
    else this.q = null;
    this.keyValuePairs = new Array();
    if (q) {
        for (var i=0; i < this.q.split("&").length; i++) {
            this.keyValuePairs[i] = this.q.split("&")[i];
        }
    }
    this.getKeyValuePairs = function() { return this.keyValuePairs; }
    this.getValue = function(s) {
        for(var j=0; j < this.keyValuePairs.length; j++) {
            if (this.keyValuePairs[j].split("=")[0] == s) return this.keyValuePairs[j].split("=")[1];
        }
        return false;
    }

    this.getParameters = function() {
        var a = new Array(this.getLength());
        for (var j=0; j < this.keyValuePairs.length; j++) {
            a[j] = this.keyValuePairs[j].split("=")[0];
        }
        return a;
    }

    this.getLength = function() { return this.keyValuePairs.length; }
}

function queryString(key) {
    var page = new PageQuery(window.location.search);
    return unescape(page.getValue(key));
}

function randomNumberGenerator() {
    return (new Date()).getTime();
}