[jQuery] Repeated quick clicks mess up my code..please help

[joomlafreak]

jQuery.noConflict()
var ppdelay = <?php echo $ppdelay; ?>;
var newsitems;
var curritem=0;
var iPause=0;
var tbtype;
var indicdelay = ppdelay-3000;

jQuery(document).ready(function(){

        jQuery("#imagebx").css("display","block");
    var tickerSelector = "#imagebx .imageitem";
    newsitems = jQuery(tickerSelector).hide().hover(
        function(){
            jQuery(this).addClass("hovered");
            iPause=1;
        },
        function(){
            jQuery(this).removeClass("hovered");
            iPause=0;
        }
    ).filter(":eq(0)").show().add(tickerSelector).size();
        //jQuery("#indic").animate({opacity: 0.0}, 3);
        jQuery(".navig_item:eq("+curritem+")").addClass("navig_item_active");

                var ntext = jQuery(".ntext:eq("+curritem+")").html();
var csstype = jQuery(".transboxpos:eq("+curritem+")").text();
switch(csstype)
{
case "right":
  var tbtype = 'tbright';
  break;
case "bottom":
  var tbtype = 'tbbottom';
  break;
default:
  var tbtype = 'tbleft';
}
                jQuery("#opaquetext").html(ntext);
        
jQuery("#translucentbox").addClass(tbtype).slideDown("slow",function()
{
                indictimeset = setInterval(function(){showanim()},indicdelay);

                //jQuery("#indic").animate({opacity: 0.01},
indicdelay).animate({opacity: 1.0}, 3);
                });
                timeset = setInterval(function(){ticknews()},ppdelay);

});


function ticknews(itemnum) {

  if (iPause==0){
  jQuery(".navig_item:eq("+curritem
+")").removeClass("navig_item_active");
        //jQuery("#indic").animate({opacity: 0.0}, 3);
        jQuery("#indic").hide();

        jQuery("#translucentbox").slideUp("slow",function(){
        jQuery("#translucentbox").removeClass(tbtype);
        });
        jQuery("#imagebx .imageitem:eq("+curritem
+")").fadeOut("slow",function(){

                jQuery(this).hide();
        });
        if (itemnum !=undefined){
                curritem = itemnum;
        }else{
    curritem = ++curritem%newsitems;
        }
        jQuery(".navig_item:eq("+curritem+")").addClass("navig_item_active");
    jQuery("#imagebx .imageitem:eq("+curritem
+")").fadeIn("slow",function(){
                var ntext = jQuery(".ntext:eq("+curritem+")").html();
                jQuery("#opaquetext").html(ntext);
var csstype = jQuery(".transboxpos:eq("+curritem+")").text();
switch(csstype)
{
case "right":
  var tbtype = 'tbright';
  break;
case "bottom":
  var tbtype = 'tbbottom';
  break;
default:
  var tbtype = 'tbleft';
}

        
jQuery("#translucentbox").addClass(tbtype).slideDown("slow",function()
{
                indictimeset = setInterval(function(){showanim()},indicdelay);

                //jQuery("#indic").animate({opacity: 0.01},
indicdelay).animate({opacity: 1.0}, 3);
                });
        });
    }
}

function showanim(){
        jQuery("#indic").show();
        clearInterval(indictimeset);
        }

function ticknews_new(elnum){
        clearInterval(timeset);
        clearInterval(indictimeset);
        ticknews(elnum);
        timeset = setInterval(function(){ticknews()},ppdelay);
        }