var selectedString="";

function getSelectedHTML() {
  selectedString="";
  var rng=undefined;
  if (window.getSelection) {
    selobj = window.getSelection();
    if (!selobj.isCollapsed) {
      if (selobj.getRangeAt) {
        rng=selobj.getRangeAt(0);
      }
      else {
        rng = document.createRange();
        rng.setStart(selobj.anchorNode,selobj.anchorOffset);
        rng.setEnd(selobj.focusNode,selobj.focusOffset);
      }
      if (rng) {
        DOM = rng.cloneContents();
        object = document.createElement('div');
        object.appendChild(DOM.cloneNode(true));
        selectedString=object.innerHTML;
      }
      else {
        selectedString=selobj;
      }
    }
  }
  else if (document.selection) {
    selobj = document.selection;
    rng = selobj.createRange();
    if (rng && rng.htmlText) {
      selectedString = rng.htmlText;
    }
    else if (rng && rng.text) {
      selectedString = rng.text;
    }
  }
  else if (document.getSelection) {
    selectedString=document.getSelection();
  }
  selectedString = cleanSelectedString(selectedString);
}

function copySelection() {
  setTimeout("getSelectedHTML()",50);
}

document.onmouseup=copySelection;
document.onkeyup=copySelection;

function cleanSelectedString(theString)
{
    var comments = theString.match(/<!--/gi);
    var temp = "";
    if(comments != undefined)
    {
        for(i=0;i<comments.length;i++)
        {
            var temp = theString.substring(theString.search(/<!--/gi),theString.search(/-->/gi)+3);
            theString = theString.replace(temp,"");
        }
    }
    var regexp = /(<\/?[A-Z]+[0-9]?)\s?[^>]*>/gi
    theString = theString.replace(regexp, "$1>");
    var regexp2 = /<\/?[A-Z]+[0-9]?\s?>/gi
    theString = theString.replace(regexp2, function(m) { return returnTags(m);});
    var regexp_spaces = /\s+?\s*/gi
    theString = theString.replace(regexp_spaces, " "); 
    var regexp_br = /(<br>)+?\s?(<br>\s*)*/gi
    theString = theString.replace(regexp_br, "<br>");   
    return theString;
}

function returnTags(thematch)
{
    var regtag = /<\/?(h[1-6]|a|area|ul|ol|dl|dd|dt|li|table|td|tr|th|p|hr|br)>/i
    if(regtag.test(thematch))
    {
        return thematch;
    }
    else
    {
        return "";
    }
}