var TabUtil = {
    nowcount:1,
    displaynum:8,
    maxtabs:9,

    fnTabClick:function(event,divId) {

      	 // show and hide divs
        $("#mainDiv div").each(
        	function(){
        		if($(this).attr("id")&&$(this).attr("id")==divId){
        	        $(this).css("display","block");
        		}else if($(this).attr("id")){
        			$(this).css("display","none");
        		}
        	}
        );
	}
};