var maxHeight = 400;

$(function(){

    $(".dropdown > li").hover(function() {
    
         var $container = $(this),
             $list = $container.find("ul"),
             $anchor = $container.find("a"),
             height = $list.height() * 1.1,       // make sure there is enough room at the bottom
             multiplier = height / maxHeight;     // needs to move faster if list is taller
        
        // need to save height here so it can revert on mouseout            
        $container.data("origHeight", $container.height());
        
        // so it can retain it's rollover color all the while the dropdown is open
        $anchor.addClass("hover");
        
        // make sure dropdown appears directly below parent list item    
        $list
            .show()
            .css({
                paddingTop: $container.data("origHeight")
            });
        
        // don't do any animation if list shorter than max
        if (multiplier > 1) {
            $container
                .css({
                    height: maxHeight,
                    overflow: "hidden"
                })
                .mousemove(function(e) {
                    var offset = $container.offset();
                    var relativeY = ((e.pageY - offset.top) * multiplier) - ($container.data("origHeight") * multiplier);
                    if (relativeY > $container.data("origHeight")) {
                        $list.css("top", -relativeY + $container.data("origHeight"));
                    };
                });
        }
        
    }, function() {
    
        var $el = $(this);
        
        // put things back to normal
        $el
            .height($(this).data("origHeight"))
            .find("ul")
            .css({ top: 0 })
            .hide()
            .end()
            .find("a")
            .removeClass("hover");
    
    });
    
    // Add down arrow only to menu items with submenus
	/*
    $(".dropdown > li:has('ul')").each(function() {
        $(this).find("a:first").append("<img src='img/down-arrow.png' />");
    });
    */
    
});










////////////////////////////////////////////////////////////////////////////////////////////////

function randomXToY(minVal,maxVal,floatVal) {
  var randVal = minVal+(Math.random()*(maxVal-minVal));
  return typeof floatVal=='undefined'?Math.round(randVal):randVal.toFixed(floatVal);
}


function _chgIMG(_nm_,_path_) {
	document.images[_nm_].src=_path_;
}


function menuHover(ElementId) {
	el=document.getElementsById(ElementId);
	//el.style.
}


	hs.graphicsDir = 'http://www.nazaimke.ru/sources/template/js/krdn/graphics/';
		hs.align = 'center';
		hs.transitions = ['expand', 'crossfade'];
		hs.outlineType = 'rounded-white';
		hs.fadeInOut = true;
		//hs.dimmingOpacity = 0.75;
	
		// Add the controlbar
		hs.addSlideshow({
			//slideshowGroup: 'group1',
			interval: 5000,
			repeat: false,
			useControls: true,
			fixedControls: 'fit',
			overlayOptions: {
				opacity: .75,
				position: 'bottom center',
				hideOnMouseOut: true
			}
		});