/* The selected text function */

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 copyselected()
{
	setTimeout("getSelectedHTML()",50);
	return true;
}

document.onmouseup = copyselected;
document.onkeyup = copyselected;

/* The expanding function */

function readspeaker(rs_call)
{
	if (selectedString.length>0) {
		rs_call=rs_call.replace("/cgi-bin/rsent?","/enterprise/rsent_wrapper.php?");
	}
	savelink=rs_call+"&save=1";
	start_rs_table="<table style='border:1px solid #aeaeae; font-size: 10px;'><tr><td>";
	rs_embed="<object type='application/x-shockwave-flash' data='http://media.readspeaker.com/flash/readspeaker20.swf?mp3="+escape(rs_call)+"&autoplay=1&rskin=bump' height='20' width='250'><param name='movie' value='http://media.readspeaker.com/flash/readspeaker20.swf?mp3="+escape(rs_call)+"&autoplay=1&rskin=bump' /><param name='quality' value='high' /><param name='SCALE' value='exactfit' /><param name='wmode' value='transparent' /><embed wmode='transparent' src='http://media.readspeaker.com/flash/readspeaker20.swf?mp3="+escape(rs_call)+"&autoplay=1&rskin=bump' quality='high' pluginspage='http://www.macromedia.com/go/getflashplayer' type='application/x-shockwaveflash' scale='exactfit' height='20' width='250' /></embed></object>";
	rs_downloadlink="<br />Speech-enabled by <a href='http://www.readspeaker.com'>ReadSpeaker</a><br /><a href='"+savelink+"'>Download audio</a>";
	close_rs="<br /><a href='#' onclick='close_rs_div(); return false;'>Close window</a>";
	end_rs_table="</td></tr></table>";

	var x=document.getElementById('rs_div');

	x.innerHTML=start_rs_table+rs_embed+rs_downloadlink+close_rs+end_rs_table;
}

function close_rs_div()
{
	var x=document.getElementById('rs_div');
	x.innerHTML="";
}

/* Selected text cleaning function */

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 "";
	}
}