var currentFontSize = 4;
var siteurl = '';

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

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

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){
	createCookie("ScreenType", screentype, 365);
	window.location.reload();
	return;
}

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');
	}
}

//addEvent - attach a function to an event
function jaAddEvent(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 getElem (id) {
	var obj = document.getElementById (id);
	if (!obj) return null;
	var divs = obj.getElementsByTagName ('div');
	if (divs && divs.length >= 1) return divs[divs.length - 1];
	return null;
}

function getFirstDiv (id) {
	var obj = document.getElementById (id);
	if (!obj) return null;
	var divs = obj.getElementsByTagName ('div');
	if (divs && divs.length >= 1) return divs[0];
	return obj;
}

function instr(str, item){
	var arr = str.split(" ");
	for (var i = 0; i < arr.length; i++){
		if (arr[i] == item) return true;
	}
	return false;
}

function equalHeightInit (){

	//Content and wrap col
	var ja_content = document.getElementById ('ja-container');
	var ja_colwrap = document.getElementById ('ja-colwrap');
	if (ja_content && ja_colwrap) {
		if (ja_content.scrollHeight > ja_colwrap.scrollHeight) 
		{
			var ja_inners = getElementsByClass ("innerpad", ja_colwrap, "DIV");	
			if (ja_inners && ja_inners.length)
			{
				ja_inners[0].style.height = ja_content.scrollHeight + 'px';
			}
		}else{
			document.getElementById ('ja-content').style.height = ja_content.scrollHeight + 'px';
		}
	}

	//Bottom spotlight 1
	var ja_botsl = document.getElementById ('ja-botsl1');
	if (ja_botsl)
	{
		var botsl = getElementsByClass ("ja-box.*", ja_botsl, "DIV");	
		if (botsl && botsl.length)
		{
			var maxh = 0
			for (var i=0; i<botsl.length ; ++i)
			{
				maxh = (botsl[i].scrollHeight > maxh)? botsl[i].scrollHeight:maxh;
			}
			for (var i=0; i<botsl.length ; ++i)
			{
				if (botsl[i].scrollHeight < maxh)
				{
					var ja_inners = getElementsByClass ("moduletable.*", botsl[i], "DIV");	
					if (ja_inners && ja_inners.length)
					{
						ja_inners[0].style.height = maxh - 30 + 'px';
					}
				}				
			}
		}
	}

	//Bottom spotlight 2
	var ja_botsl = document.getElementById ('ja-botsl2');
	if (ja_botsl)
	{
		var botsl = getElementsByClass ("ja-box.*", ja_botsl, "DIV");	
		if (botsl && botsl.length)
		{
			var maxh = 0
			for (var i=0; i<botsl.length ; ++i)
			{
				maxh = (botsl[i].scrollHeight > maxh)? botsl[i].scrollHeight:maxh;
			}
			for (var i=0; i<botsl.length ; ++i)
			{
				if (botsl[i].scrollHeight < maxh)
				{
					var ja_inners = getElementsByClass ("moduletable.*", botsl[i], "DIV");	
					if (ja_inners && ja_inners.length)
					{
						ja_inners[0].style.height = maxh - 30 + 'px';
					}
				}				
			}
		}
	}

}

jaAddEvent (window, 'load', equalHeightInit);

function preloadImages () {
	var imgs = new Array();
	for (var i = 0; i < arguments.length; i++) {
		var imgsrc = arguments[i];
		imgs[i] = new Image();
		imgs[i].src = imgsrc;
	}
}


function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	var j = 0;
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp('(^|\\s)'+searchClass+'(\\s|$)');
	for (var i = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	//alert(searchClass + j);
	return classElements;
}


function fixIE() {
	var objs = getElementsByClass ("createdate", null, "TD");
	if (objs) {
		for (var i=0; i<objs.length; i++){
			objs[i].innerHTML = "<span>" + objs[i].innerHTML + "</span>";
		}
	}

	var obj = $E('h1.logo a');
	obj.onmouseover = function () {
		this.setStyle('filter', "progid:DXImageTransform.Microsoft.AlphaImageLoader(src=templates/ja_genista/images/logo2.png, sizingMethod='crop')");
	}
	obj.onmouseout = function () {
		this.setStyle('filter', "progid:DXImageTransform.Microsoft.AlphaImageLoader(src=templates/ja_genista/images/logo1.png, sizingMethod='crop')");
	}

/*
	//var objs = getElementsByClass('.*-transbg');
	var objs = $ES('#ja-cssmenu li ul');
	if (!objs) return;
	for(var i=0; i<objs.length;i++){
		makeTransBg(objs[i]);
	}
	var objs = getElementsByClass('.*-transbg');
	if (!objs) return;
	for(var i=0; i<objs.length;i++){
		makeTransBg(objs[i]);
	}
*/
}

if(isIE6()) jaAddEvent (window, 'load', fixIE);

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.setStyle('background', 'none');
				//if(!obj.getStyle('position'))
				if(obj.getStyle('position')!='absolute' && obj.getStyle('position')!='relative') {
					obj.setStyle('position', 'relative');
				}

				//Get all child
				var childnodes = obj.childNodes;
				for(var j=0;j<childnodes.length;j++){
					if((child = $(childnodes[j]))) {
						if(child.getStyle('position')!='absolute' && child.getStyle('position')!='relative') {
							child.setStyle('position', 'relative');
						}
						child.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': 0
				});

				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 ie6pnghover (obj, img_out, img_over) {
	obj = $(obj);
	if(!obj) return;
	if (obj.tagName == 'IMG') {
		//This is an image
		obj.setStyle('height',obj.offsetHeight);
		obj.setStyle('width',obj.offsetWidth);
		obj.src = 'images/blank.png';
		obj.setStyle ('visibility', 'visible');
	}else{
		obj.setStyle ('background', 'none');
	}
	obj.setStyle('filter', "progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+img_out+", sizingMethod='crop')");
	obj.addEvent('mouseover', function () {
		obj.setStyle('filter', "progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+img_over+", sizingMethod='crop')");
	});
	obj.addEvent('mouseout', function () {
		obj.setStyle('filter', "progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+img_out+", sizingMethod='crop')");
	});
}

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

//Hack readon
function hackReadon () {
	var readons = getElementsByClass ("readon", null, "A");	
	if (!readons || !readons.length) return;
	for (var i=0; i<readons.length; i++)
	{
		var readon = readons[i];
		//Get readon parent (TR)
		var p = readon;
		while ((p = p.parentNode) && p.tagName != 'TR'){}
		if (!p) continue;
		var pc = p;
		while ((pc = pc.previousSibling) && pc.tagName != 'TR') {}
		var tc = pc.firstChild;
		while (tc && tc.tagName!='TD') tc=tc.nextSibling;
		tc.appendChild (readon);
		p.parentNode.removeChild(p);
		readon.style.display = 'block';
	}
}
jaAddEvent (window, 'load', hackReadon);

//Menu image hover effect
function setOpacity(obj, opacity) {
  opacity = (opacity == 100)?99.999:opacity;
  
  // IE/Win
  obj.style.filter = "alpha(opacity:"+opacity+")";
  
  // Safari<1.2, Konqueror
  obj.style.KHTMLOpacity = opacity/100;
  
  // Older Mozilla and Firefox
  obj.style.MozOpacity = opacity/100;
  
  // Safari 1.2, newer Firefox and Mozilla, CSS3
  obj.style.opacity = opacity/100;
}

function menuImageHover () {
	var mainnav = document.getElementById('ja-mainnav');
	if (!mainnav) return;
	var imgs = mainnav.getElementsByTagName ('IMG');
	if (!imgs || !imgs.length) return;
	for (var i=0; i<imgs.length; i++)
	{
		if (!imgs[i].parentNode.className.test(/active/))
		{
			setOpacity(imgs[i], 50);
			imgs[i].display = 'block';
			imgs[i].parentNode.img = imgs[i];
			imgs[i].parentNode.onmouseover = function () {
				if(typeof(setOpacity)=='function') setOpacity(this.img, 100);
			}
			imgs[i].parentNode.onmouseout = function () {
				if(typeof(setOpacity)=='function') setOpacity(this.img, 50);
			}
		}
	}
}

jaAddEvent (window, 'load', menuImageHover);

// TAB-MODULES
function jashowtabcontent (obj) {
	var tabdisplay = document.getElementById ('ja-tab-content');
	if (!tabdisplay) return;
	var tabcontents = getElementsByClass ('ja-tab-content', obj, "DIV");
	if (!tabcontents) return;
	tabdisplay.innerHTML = tabcontents[0].innerHTML;
	jatabresetclass(obj);
}

function jatabresetclass (obj) {
	var jatab = document.getElementById ('ja-tabswrap');
  if (jatab) {
	  var lis = getElementsByClass ('ja-tab-li', jatab, "LI");
    if (!lis) return;
    for (var i=0; i<lis.length; i++) {
      lis[i].className = lis[i].className.replace(new RegExp(" ja-tab-hover\\b"), "");
    }
    obj.className += " ja-tab-hover";
  }
}

function jatabinit (){
	var jatab = document.getElementById ('ja-tabswrap');
  if (jatab) {
	  var tabcontents = getElementsByClass ('ja-tab-content', jatab, "DIV");
	  if (tabcontents) {
	   var tabdisplay = document.getElementById ('ja-tab-content');
	   var divobj = document.createElement ("DIV");

	   divobj.style.display = "block";
	   divobj.style.position = "absolute";
	   divobj.style.top = "-1000px";
	   divobj.style.width = tabdisplay.offsetWidth + "px";
	   document.body.appendChild (divobj);
	   var maxh = 0;
      for (var i=0; i<tabcontents.length; i++) {
        divobj.innerHTML = tabcontents[i].innerHTML;
        if (maxh < divobj.offsetHeight) maxh = divobj.offsetHeight;
      }
     // tabdisplay.style.height = "130px"; 
	   document.body.removeChild (divobj);
    }
	  var lis = getElementsByClass ('ja-tab-li', jatab, "LI");
    if (!lis) return;
    jashowtabcontent (lis[0]);
    
  }
}

jaAddEvent (window, 'load', jatabinit);