function _initVar(htOptions){
        htVar.sMarkdownRendererUrl = htOptions.sMarkdownRendererUrl;

        htVar.htMarkedOption = {
            "gfm"       : true,
            "tables"    : true,
            "pedantic"  : false,
            "sanitize"  : false,
            "smartLists": true,
            "langPrefix": '',
            "highlight" : function(sCode, sLang) {
                if(sLang) {
                    try {
                        return hljs.highlight(sLang.toLowerCase(), sCode).value;
                    } catch(oException) {
                        console.log(oException.message);
                    }
                }
            }
        };
    }
initialize variables
@param {Hash Table} htOptions