function bgon(el){
	 $(el).addClass("overitem");
}

function bgoff(el){
	 $(el).removeClass("overitem");
}

function gotourl(url){
	 window.location = url;
}

    var ologdiv = null;
    var enableLog = true;
    function log(str)
    {
	if(!enableLog)
            return;
	if(ologdiv==null){
            ologdiv = document.createElement("div");
            ologdiv.style.position = "absolute";
            ologdiv.style.zindex = 10;
            document.body.appendChild(ologdiv);
	}
	++i;
	ologdiv.innerHTML+=(i+": "+str+"<br/>");
    }
    i=0;