function createSupportButton(params){
            var btnType, btnContainer, suppJid, customer, askDetails, bgColor, fgColor,chatSubj, grMess, lang;
            btnType = params.buttonType;
            btnContainer = params.renderTo;
            suppJid = params.suppJid || '';
            customer = params.customer;
            askDetails = params.askUserDetails || false;
            bgColor = params.bgColor || false;
            fgColor = params.fgColor || false;
            chatSubj = params.chatSubject || '';
            grMess = params.greetingMessage || '';
            lang = (!params.lang)?'en': params.lang;

            function writeBtnToContainer(bType, bCont, sJid, cust, ask, bg, fg, subj, mess, lang){
               
                var c = document.getElementById(bCont);
                try {
                    c.style.cursor = "pointer";
                    c.title = (c.title == '')?"Chat right now!":c.title;
                    c.onclick = function(){
                        window.open("http://support2biz.dev.contentum.com/client/?customer="+cust+
                            "&suppJid="+sJid+
                            "&autoLogin="+!ask+
                            "&chatSubject="+subj+
                            "&greatingMessage="+mess+
                            "&lang="+lang,
                        "mywindow","height=503, resizable=no, width=465, menubar=0, status=1, toolbar=no, location=no;");
                    }
                    if(bType == 'simple'){
                        c.innerHTML = "<div style='width: 180px; font-family: Tahoma; height: 31px; background: url(http://support2biz.com/client/button.php?bg="+bg+") repeat-x scroll left top transparent;'>" +
                            "<div style='padding:3px 0 0 36px; font-size: 11px; font-weight: bold; color: #"+fg+";'></div>" +
                            "<div style='padding:0 0 0 36px;  font-size: 10px; font-weight: normal; color: #"+fg+";'><span style='float:right; padding: 0 5px 0 0;color: #"+fg+";'>users online: </span></div>" +
                            "</div>";
                    }
                    if(bType == 'image'){
                        if() {
							c.innerHTML = "<img src='"+params.imageOnline+"'>";
						} else {
							c.innerHTML = "<img src='"+params.imageOffline+"'>";
						}
                    }					
                } catch (e) {
                    alert('wrong id for support-button element');
                    //console.error(e);
                }

            }
            if(btnContainer) writeBtnToContainer(btnType, btnContainer, suppJid, customer, askDetails, bgColor, fgColor, chatSubj, grMess, lang);
        }