var currentFontSize = 4;

function revertStyles(fontsize){
currentFontSize = fontsize;
changeFontSize(0);
}

function changeFontSize(sizeDifference){
//get css font size
var rule = getRuleByName("body.font" + (currentFontSize + sizeDifference));
if (rule){
document.body.style.fontSize = rule.style.fontSize;
currentFontSize = currentFontSize + sizeDifference;
createCookie("FontSize", currentFontSize, 365);
equalHeight();
}
return;

};

function getRuleByName(ruleName){
for (i=0; i<document.styleSheets.length; i++){
var style = document.styleSheets[i];
var rules = style.cssRules?style.cssRules:style.rules;
if (rules){
for (j = 0; j<rules.length; j++){
if (rules[j].selectorText.trim().toUpperCase() == ruleName.trim().toUpperCase()){
return rules[j];
}
}
}
}
return null;
}

function setActiveStyleSheet(title) {

createCookie("ColorCSS", title, 365);
window.location.reload();
return;

var i, a, main, arr;
arr = document.getElementsByTagName("link");
for(i=0; (a = arr[i]); i++) {
var ltitle = a.getAttribute("title");
if(a.getAttribute("rel").indexOf("style") != -1 && ltitle) {
a.disabled = true;
if(ltitle == title) a.disabled = false;
}
}
createCookie("ColorCSS", title, 365);
}

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 expires = "";
document.cookie = name+"="+value+expires+"; path=/";
}

function setScreenType(screentype){
bclass = document.body.className.trim();
if (bclass.indexOf(' ') > 0){
bclass = bclass.replace(/^\w+/,screentype);
}else{
bclass = screentype + ' ' + bclass;
}

document.body.className = bclass;
equalHeight();
createCookie("ScreenType", screentype, 365);
}

String.prototype.trim = function() { return this.replace(/^\s+|\s+$/g, ""); };

function changeToolHilite(oldtool, newtool) {
if (oldtool != newtool) {
if (oldtool) {
oldtool.src = oldtool.src.replace(/-hilite/,'');
}
newtool.src = newtool.src.replace(/.gif$/,'-hilite.gif');
}
}
// <![CDATA[
var goto_top_type = -1;
var goto_top_itv = 0;

function goto_top_timer()
{
var y = goto_top_type == 1 ? document.documentElement.scrollTop : document.body.scrollTop;
var moveby = 35;

y -= Math.ceil(y * moveby / 100);
if (y < 0) {
y = 0;
}

if (goto_top_type == 1) {
document.documentElement.scrollTop = y;
}
else {
document.body.scrollTop = y;
}

if (y == 0) {
clearInterval(goto_top_itv);
goto_top_itv = 0;
}
}

function goto_top()
{
if (goto_top_itv == 0) {
if (document.documentElement && document.documentElement.scrollTop) {
goto_top_type = 1;
}
else if (document.body && document.body.scrollTop) {
goto_top_type = 2;
}
else {
goto_top_type = 0;
}

if (goto_top_type > 0) {
goto_top_itv = setInterval('goto_top_timer()', 50);
}
}
}

// ]]>
//addEvent - attach a function to an event
function olAddEvent(obj, evType, fn){
if (obj.addEventListener){
obj.addEventListener(evType, fn, false);
return true;
} else if (obj.attachEvent){
var r = obj.attachEvent("on"+evType, fn);
return r;
} else {
return false;
}
}

function equalHeight(){
//var box;
if ($('ol-go1')) {
var box = $$(getElementsByClass ('ol-do', $('ol-go1'), "div"));
if (box && box.length>1) {
makeEqualHeight(box);
}
}
}

function makeTransBg(el, bgimgdf, sizingMethod, type, offset){
var objs = el;
if(!objs) return;
if ($type(objs) != 'array') objs = [objs];
if(!sizingMethod) sizingMethod = 'crop';
if(!offset) offset = 0;
var blankimg = siteurl + 'images/blank.png';
objs.each(function(obj) {
var bgimg = bgimgdf;
if (obj.tagName == 'IMG') {
//This is an image
if (!bgimg) bgimg = obj.src;
if (!(/\.png$/i).test(bgimg) || (/blank\.png$/i).test(bgimg)) return;

obj.setStyle('height',obj.offsetHeight);
obj.setStyle('width',obj.offsetWidth);
obj.src = blankimg;
obj.setStyle ('visibility', 'visible');
obj.setStyle('filter', "progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+bgimg+", sizingMethod='"+sizingMethod+"')");
}else{
//Background
if (!bgimg) bgimg = obj.getStyle('backgroundImage');
var pattern = new RegExp('url\s*[\(\"\']*([^\'\"\)]*)[\'\"\)]*');
if ((m = pattern.exec(bgimg))) bgimg = m[1];
if (!(/\.png$/i).test(bgimg) || (/blank\.png$/i).test(bgimg)) return;
if (!type)
{
obj.setStyles({'background': 'none'});

if(obj.getStyle('position')!='absolute' && obj.getStyle('position')!='relative') {
obj.setStyle('position', 'relative');
}

obj.getChildren().each(function(el){
if(el.getStyle('position')!='absolute' && el.getStyle('position')!='relative')
{
el.setStyle('position', 'relative');
}
el.setStyle('z-index',2);
});
//Create background layer:
var bgdiv = new Element('IMG');
bgdiv.src = blankimg;
bgdiv.width = obj.offsetWidth - offset;
bgdiv.height = obj.offsetHeight - offset;
bgdiv.setStyles({
'position': 'absolute',
'top': 0,
'left': -obj.getStyle('padding-left').toInt()
});

bgdiv.className = 'TransBG';

bgdiv.setStyle('filter', "progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+bgimg+", sizingMethod='"+sizingMethod+"')");
bgdiv.inject(obj, 'top');
//alert(obj.innerHTML + '\n' + bgdiv.innerHTML);
} else {
obj.setStyle('filter', "progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+bgimg+", sizingMethod='"+sizingMethod+"')");
}
}
}.bind(this));
}

function isIE6() {
version=0
if (navigator.appVersion.indexOf("MSIE")!=-1){
temp=navigator.appVersion.split("MSIE")
version=parseFloat(temp[1])
}
return (version && (version < 7));
}

window.addEvent ('load', function() {
equalHeight();
});

var boxes = [];
showBox = function (box,focusobj, caller) {
box=$(box);
if (!box) return;
if ($(caller)) box._caller = $(caller);
boxes.include (box);
if (box.getStyle('display') == 'none') {
box.setStyles({
display: 'block',
opacity: 0
});
}
if (box.status == 'show') {
//hide
box.status = 'hide';
var fx = new Fx.Style (box,'opacity');
fx.stop();
fx.start (box.getStyle('opacity'), 0);
if (box._caller) box._caller.removeClass ('show');
} else {
boxes.each(function(box1){
if (box1!=box && box1.status=='show') {
box1.status = 'hide';
var fx = new Fx.Style (box1,'opacity');
fx.stop();
fx.start (box1.getStyle('opacity'), 0);
if (box1._caller) box1._caller.removeClass ('show');
}
},this);
box.status = 'show';
var fx = new Fx.Style (box,'opacity',{onComplete:function(){if($(focusobj))$(focusobj).focus();}});
fx.stop();
fx.start (box.getStyle('opacity'), 1);

if (box._caller) box._caller.addClass ('show');
}
}