slideBulge function

slideBulge.js

    // slideBulge function
    // slides the top right menu bulge bg to the left/right to the requested position.
    function slideBulge(currentPos, endPos) {
        
        //stop the slideBulge function (if it is still looping)
        clearTimeout(bulgeTimeout);
    
        //set the jumpSize and jumpSpeed:
        var jumpSize = 3;
        var jumpSpeed = 10; 
    
        currentPos = parseInt(currentPos);
        endPos = parseInt(endPos);
        
        //if not already at endPos:
        //(nb, remember we're going backwards (to the left) so slide if endPos is smaller)
        var newPos = currentPos + (endPos > currentPos ? jumpSize : -jumpSize); 
        if ((newPos > currentPos && newPos >= endPos) ||
            (newPos < currentPos && newPos <= endPos)) { 
            newPos = endPos;
        } else {                
            bulgeTimeout = setTimeout("slideBulge('"+newPos+"', '"+endPos+"')", jumpSpeed);
        }
  
         //make the bg position adjustment:
         document.getElementById('navs').style.backgroundPosition = newPos + 'px bottom';   
    }