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 ('ja-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 = "ja-" + module.className;
    }
  }
}

jaAddEvent (window, 'load', addSpanToTitle);

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 = (maxh - 20) + "px"; 
	   document.body.removeChild (divobj);
    }
	  var lis = getElementsByClass ('ja-tab-li', jatab, "LI");
    if (!lis) return;
    jashowtabcontent (lis[0]);
    
  }
}

jaAddEvent (window, 'load', jatabinit);

function jaInitHover () {
  addMouseOver ('ja-newsitem-inner');
}
jaAddEvent (window, 'load', jaInitHover);