// JavaScript Document

	var strEmailString = "_r=1";

	function OnSave(){
		if (document.all)
			window.external.addFavorite( window.location.href, window.document.title );
		else if (window.sidebar)
			window.sidebar.addPanel(window.document.title, window.location.href, "")
		return true;
	}
	function OnPrint(){
		window.focus();
		window.print();
		return true;
	}
	function OnEmail(){
		var oWnd = 	window;
		var oDoc = oWnd.document;
		var oDescription = oDoc.getElementById("thread_title");

		var strDescription = ( (oDescription == null) || (oDescription.innerHTML == "") ) ? oDoc.title : oDescription.innerHTML;
		if( oDoc.title == "" )
			oWnd.location.href = "mailto:?body="+BuildEmailDescription(strDescription, AddParamToURL(oWnd.location.href, strEmailString));
		else
			oWnd.location.href = "mailto:?subject="+escape(oDoc.title)+"&body="+BuildEmailDescription(strDescription, AddParamToURL(oWnd.location.href, strEmailString));
		return true;
	}	
	function BuildEmailDescription(strDescription,hRef){
		return escape("Đây là bài tôi rất thích:" +
					String.fromCharCode(13)+ String.fromCharCode(13) + strDescription + String.fromCharCode(13) + "URL: " + hRef);
	}
	function AddParamToURL(strLoc,strParam){
		var i = strLoc.lastIndexOf("?");
		if(strLoc.indexOf(strParam, i) >= 0)
			return strLoc;
	
		strLoc += ((i >= 0) && (i > strLoc.lastIndexOf("/"))) ? "&" : "?";
		return strLoc + strParam;
	}