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();
	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=/";
}

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

//addEvent - attach a function to an event
function sbAddEvent(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 (elems, offset){
  if (!offset) offset = 0;
	if (!elems) return;
	var maxh = 0;
	for (var i=0; i<elems.length; i++)
	{
		if (elems[i] && elems[i].scrollHeight > maxh) maxh = elems[i].scrollHeight;
	}
	for (i=0; i<elems.length; i++){
		if (elems[i]) elems[i].style.height = (maxh+offset) + "px";
	}
}

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 getDivElemsByClass (parent, className) {
	var objs = parent.getElementsByTagName ('div');
	var elems = new Array();
	var j = 0;
	for (var i=0; i<objs.length; i++)
	{
		if (instr(objs[i].className, className) )
		{
			elems[j++] = objs[i];
		}
	}
	return elems;
}

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 (){
  var botsl = document.getElementById ('sb-botsl');
  if (!botsl) return;
  var objs = getElementsByClass ('moduletable*', botsl, 'DIV');
  equalHeight (objs, -20);
}

sbAddEvent (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 addMouseOver (className) {
	objs = getElementsByClass (className, document, 'DIV');
	if (objs){
		for (i=0; i<objs.length; i++){
			objs[i].onmouseover=function() {
				this.className+=" hover";
			}
			objs[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp(" hover\\b"), "");
			}

		}
	}
}

//Add span to module title
function addSpanToTitle () {
  var colobj = document.getElementById ('sb-colwrap');
  if (!colobj) return;
  var modules = getElementsByClass ('moduletable.*', colobj, "DIV");
  if (!modules) return;
  for (var i=0; i<modules.length; i++) {
    var module = modules[i];
    var title = module.getElementsByTagName ("h3")[0];  
    if (title) {
      title.innerHTML = "<span>"+title.innerHTML+"</span>";
      module.className = "sb-" + module.className;
    }
  }
}

sbAddEvent (window, 'load', addSpanToTitle);

function sbInitHover () {
  addMouseOver ('sb-newsitem-inner');
}
sbAddEvent (window, 'load', sbInitHover);