document.getElementsByClassName = function(clsName){
    var retVal = new Array();
    var elements = document.getElementsByTagName("*");
    for(var i = 0;i < elements.length;i++){
        if(elements[i].className.indexOf(" ") >= 0){
            var classes = elements[i].className.split(" ");
            for(var j = 0;j < classes.length;j++){
                if(classes[j] == clsName)
                    retVal.push(elements[i]);
            }
        }
        else if(elements[i].className == clsName)
            retVal.push(elements[i]);
    }
    return retVal;
}//taken from Netlobo.com (http://www.netlobo.com/javascript_getelementsbyclassname.html)

function addSmiley(dummy){
  var d = [], i=0, def = ['post-body','entry-content','comment-body'];

  for(i=0;i<def.length;i++){
	var content = document.getElementsByClassName(def[i]);
	for(var j=0;j<content.length;j++)
		d.push(content[j]);
	}

  for(i=0;i<arguments.length;i++){
	var content = document.getElementsByClassName(arguments[i]);
	for(var m=0;m<content.length;m++)
		d.push(content[m]);
  }

  for(var i=0;i<d.length;i++){
        d[i].innerHTML = d[i].innerHTML.replace(/\s:-?\)/g, ' <img src="http://www.dsic.upv.es/~jlluch/com-smile.gif" id="new" /> ');
        d[i].innerHTML = d[i].innerHTML.replace(/\s;-?\)/g, ' <img src="http://www.dsic.upv.es/~jlluch/com-blink.gif" id="new" /> ');
        d[i].innerHTML = d[i].innerHTML.replace(/\s:-?\$/g, ' <img src="http://www.dsic.upv.es/~jlluch/com-oops.gif" id="new" /> ');
        d[i].innerHTML = d[i].innerHTML.replace(/\s:-?\(/g, ' <img src="http://www.dsic.upv.es/~jlluch/com-sad.gif" id="new" /> ');
        d[i].innerHTML = d[i].innerHTML.replace(/\s:-?D/ig, ' <img src="http://www.dsic.upv.es/~jlluch/com-lol.gif" id="new" /> ');
        d[i].innerHTML = d[i].innerHTML.replace(/\s:-?P/ig, '<img src="http://www.dsic.upv.es/~jlluch/com-tongue.gif" id="new" /> ');
        d[i].innerHTML = d[i].innerHTML.replace(/\s:\(\(/ig, '<img src="http://www.dsic.upv.es/~jlluch/com-cry.gif" id="new" /> ');
        d[i].innerHTML = d[i].innerHTML.replace(/\s:-?S/ig, '<img src="http://www.dsic.upv.es/~jlluch/com-confuso.gif" id="new" /> ');
        d[i].innerHTML = d[i].innerHTML.replace(/\s:-?O/ig, '<img src="http://www.dsic.upv.es/~jlluch/com-sorpresa2.gif" id="new" /> ');
    }
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

addLoadEvent(function(){
	addSmiley();
});