function slide(navigation_id, time, multiplier)   
{   
    // creates the target paths   
    var list_elements = navigation_id + " .highlight-element";   
    // creates the hover-slide effect for all link elements            
    $(list_elements).each(function(i)   
    {
    	$(this).imghover({suffix: '_hover'});
    });   
}
function anim(obj,timer){
    $(obj)
    .animate({opacity: 0.6}, timer)
    .animate({opacity: 0.4}, timer/3)
    .animate({opacity: 0.6}, timer/3)
    .animate({opacity: 1}, timer);
}