var eqCounter = 0;

function EqualColumns()
{
     this.eqa = 0;
     this.eqth = 0;
     this.eqtw = 0;

     var c, e, el;
    if (document.getElementById)
    {
        this.blocks = new Array();
        for (i = 0; i < arguments.length; i += 2)
        {
            el = null;
            c = document.getElementById(arguments[i]);
            if (c)
            {
                e = c.getElementsByTagName(arguments[i+1]);
                if (e)
                {
                    el = e[e.length-1];
                    if (!el.id)
                    {
                        el.id = "myeq" + (eqCounter++);
                    }
                }
            }
            if (c && el)
            {
                this.blocks.push(c);
                this.blocks.push(el);
            }
        }
          this.startCalculate();
    }
}

EqualColumns.prototype.startCalculate = function() {
    if (this.eqth != document.body.offsetHeight || this.eqtw != document.body.offsetWidth)
    {
        this._startCalculate();
    }
}

EqualColumns.prototype._startCalculate = function() {
    var i, oh, h = 0, tg, el, np, dA = this.blocks, an = this.eqa;
    if (dA && dA.length)
    {
        for (i = 0; i < dA.length; i += 2)
        {
            dA[i+1].style.paddingBottom = '';
        }
        for (i = 0; i < dA.length; i += 2)
        {
            oh = dA[i].offsetHeight;
            h = (oh > h) ? oh : h;
        }
        for (i = 0; i < dA.length; i += 2)
        {
            oh = dA[i].offsetHeight;
            if (oh < h)
            {
                np = h - oh;
                    dA[i+1].style.paddingBottom = np + "px";
            }
        }
        this.eqa = 1;
        this.eqth = document.body.offsetHeight;
        this.eqtw = document.body.offsetWidth;
    }
}
/////////////////////////////////////////////////////////////////
var selectedTab = -1;
function bloggingDHTMLInit() {
	try {
		new EqualColumns('dhtml-tab1', 'div', 'dhtml-tab2', 'div');
	} catch(e) {}
	try {
		document.getElementById("dhtml-message").style.display = "none";
		document.getElementById("dhtml-block").style.visibility = "visible";
		document.getElementById("dhtml-block").style.height = "auto";
		document.getElementById("dhtml-tab1").style.display = "none";
		document.getElementById("dhtml-tab2").style.display = "none";
		document.getElementById("dhtml-tab" + active_tab).style.display = "block";
  } catch(e){}
  try {
    // {{{ init tabs
    var tabs = document.getElementById("dhtml-menu").getElementsByTagName("A");
    var selectedTab = active_tab;
    for (var i = 0, len = tabs.length; i < len; i++) {
      tabs[i].onclick = function() {
        var clickedTab = Number(this.parentNode.getAttribute("rel").replace(/tab/, ""));
        if (clickedTab !== selectedTab) {
          tabs[selectedTab - 1].parentNode.className = ""; // remove selected state
          tabs[clickedTab - 1].parentNode.className = "active"; // set selected state
          document.getElementById("dhtml-tab" + selectedTab).style.display = "none";
          document.getElementById("dhtml-tab" + clickedTab).style.display = "block";
          selectedTab = clickedTab;
		    }
		    return false;
      }
    } 
  } catch(e){}
}
addEvent(window, "load", bloggingDHTMLInit)