/*
  jQuery by: ppires@assec.pt
*/
function activaScroll(a,b,c){$("#slider-wrap").remove();if(!c)c=0;var d=$(b).height()-$(a).height();if(d>0){var e=d/$(b).height();var f=Math.round((1-e)*$(a).height());f-=f%2;$(a).after('<div id="slider-wrap"><div id="slider-vertical"></div></div>');$("#slider-wrap").height($(a).height()-5-c);$("#slider-wrap").css({"margin-top":c});$("#slider-vertical").slider({orientation:"vertical",min:0,max:100,value:100,slide:function(a,c){var e=-((100-c.value)*d/100);$(b).css({top:e})},change:function(a,c){var e=-((100-c.value)*d/100);$(b).css({top:e})}});$(".ui-slider-handle").css({height:f,"margin-bottom":-.5*f});var g=$("#slider-vertical").height();var h=g-f;var i=(g-h)*.5;$(".ui-slider").css({height:h,"margin-top":i})}$(".ui-slider").click(function(a){a.stopPropagation()});$("#slider-wrap").click(function(a){var b=$(this).offset().top;var c=(a.pageY-b)*100/$(this).height();$("#slider-vertical").slider("value",100-c)});$(a+",#slider-wrap").mousewheel(function(a,b){var c=5;var d=$("#slider-vertical").slider("value");d+=b*c;$("#slider-vertical").slider("value",d);a.preventDefault()})}