var presentationCycle={slideTimeout:8000,containerId:"presentation_container",cycleFx:"scrollHorz",cycleSpeed:600,barHeight:14,barDisplacement:20,barImgLeft:"images/presentation_cycle/pc_item_left.gif",barImgRight:"images/presentation_cycle/pc_item_right.gif",barImgCenter:"images/presentation_cycle/pc_item_center.gif",barImgBarEmpty:"images/presentation_cycle/pc_bar_empty.gif",barImgBarFull:"images/presentation_cycle/pc_bar_full.gif",itemCount:0,currentItem:0,itemBarWidth:0,barContainer:"",barContainerActive:"",barContainerOverflow:"",disableAnimation:false,init:function(){presentationCycle.itemCount=$("#"+presentationCycle.containerId).children().length;presentationCycle.barContainer=$("<div></div>");$(presentationCycle.barContainer).addClass("pc_bar_container");var subtrackSpace=(presentationCycle.itemCount*presentationCycle.barHeight);var totalWidth=$("#"+presentationCycle.containerId).innerWidth()-presentationCycle.barDisplacement;var fillWidth=Math.floor((totalWidth-subtrackSpace)/(presentationCycle.itemCount-1));presentationCycle.itemBarWidth=fillWidth;for(var i=0;i<presentationCycle.itemCount;i++){var item=$("<div>&nbsp;</div>").appendTo(presentationCycle.barContainer);var extra_bar=true;if(i==0){$(item).addClass("left");$(item).css({backgroundImage:"url("+presentationCycle.barImgLeft+")",height:presentationCycle.barHeight+"px",width:presentationCycle.barHeight+"px"});}else{if(i==(presentationCycle.itemCount-1)){$(item).addClass("right");$(item).css({backgroundImage:"url("+presentationCycle.barImgRight+")",height:presentationCycle.barHeight+"px",width:presentationCycle.barHeight+"px"});extra_bar=false;}else{$(item).addClass("center");$(item).css({backgroundImage:"url("+presentationCycle.barImgCenter+")",height:presentationCycle.barHeight+"px",width:presentationCycle.barHeight+"px"});}}$(item).attr("itemNr",(i+1));$(item).css("cursor","pointer");$(item).click(function(){presentationCycle.gotoSlide($(this).attr("itemNr"));});if(extra_bar==true){var item=$("<div>&nbsp;</div>").appendTo(presentationCycle.barContainer);$(item).addClass("bar");$(item).css({backgroundImage:"url("+presentationCycle.barImgBarEmpty+")",height:presentationCycle.barHeight+"px",width:fillWidth+"px"});}}var overflow=$("<div></div>");$(overflow).addClass("pc_bar_container_overflow");$(overflow).css({overflow:"hidden",width:totalWidth+"px"});var underflow=$("<div></div>");$(underflow).addClass("pc_bar_container_underflow").appendTo(overflow);presentationCycle.barContainerActive=$(presentationCycle.barContainer).clone().appendTo(underflow);$(presentationCycle.barContainerActive).removeClass("pc_bar_container");$(presentationCycle.barContainerActive).children().each(function(){$(this).css({backgroundPosition:"right"});if($(this).css("background-image").match(presentationCycle.barImgBarEmpty)){var newImg=$(this).css("background-image").replace(presentationCycle.barImgBarEmpty,presentationCycle.barImgBarFull);$(this).css("background-image",newImg);}});$(overflow).css({width:presentationCycle.barHeight+"px",height:presentationCycle.barHeight+"px"});presentationCycle.barContainerOverflow=overflow;$("#"+presentationCycle.containerId).cycle({fx:presentationCycle.cycleFx,speed:presentationCycle.cycleSpeed,timeout:presentationCycle.slideTimeout,before:function(currSlideElement,nextSlideElement){presentationCycle.beforeSlide(currSlideElement,nextSlideElement);}});presentationCycle.barContainer.appendTo($("#"+presentationCycle.containerId));overflow.appendTo($("#"+presentationCycle.containerId));var i=0;$(".pc_bar_container_overflow .left, .pc_bar_container_overflow .center, .pc_bar_container_overflow .right").each(function(){$(this).attr("itemNr",(i+1));$(this).css("cursor","pointer");$(this).click(function(){presentationCycle.gotoSlide($(this).attr("itemNr"));});i++;});},beforeSlide:function(currSlideElement,nextSlideElement){if(presentationCycle.currentItem==0){presentationCycle.currentItem=1;}else{presentationCycle.currentItem=(presentationCycle.itemCount-($(nextSlideElement).nextAll().length))+2;}presentationCycle.animateProcess();},animateProcess:function(){var startWidth=(presentationCycle.itemBarWidth*(presentationCycle.currentItem-1))+(presentationCycle.barHeight*presentationCycle.currentItem);if(presentationCycle.currentItem!=presentationCycle.itemCount){var newWidth=(presentationCycle.itemBarWidth*(presentationCycle.currentItem))+(presentationCycle.barHeight*(presentationCycle.currentItem+1));}else{var newWidth=presentationCycle.barHeight;}$(presentationCycle.barContainerOverflow).css({width:startWidth+"px"});if(presentationCycle.disableAnimation==false){$(presentationCycle.barContainerOverflow).stop().animate({width:newWidth+"px"},(presentationCycle.slideTimeout-100));}},gotoSlide:function(itemNr){$(presentationCycle.barContainerOverflow).stop();presentationCycle.disableAnimation=true;$("#"+presentationCycle.containerId).cycle((itemNr-1));$("#"+presentationCycle.containerId).cycle("pause");}};