(function($){function FloatObject(jqObj,params){this.jqObj=jqObj;switch(params.speed){case'fast':this.steps=5;break;case'normal':this.steps=10;break;case'slow':this.steps=20;break;default:this.steps=10;};var offset=this.jqObj.offset();this.currentY=offset.top;this.width=this.jqObj.width();this.height=this.jqObj.height();this.alwaysVisible=params.alwaysVisible;this.alwaysTop=params.alwaysTop;this.scrollMax=this.jqObj.parent().height()-this.height-params.footerHeight;this.headerHeight=params.headerHeight;this.origY=this.currentY+params.headerHeight;this.jqObj.css({'position':'relative','top':params.headerHeight});}
FloatObject.prototype.updateLocation=function(){if(this.alwaysTop==false){this.updatedY=$(window).scrollTop()+this.origY;if(this.alwaysVisible){if(this.origY+this.height>this.windowHeight()){this.updatedY=$(window).scrollTop()+this.windowHeight()-this.height;if(this.updatedY<this.origY)this.updatedY=this.origY;}}}
else{if($(window).scrollTop()>this.origY){this.updatedY=Math.min(Math.abs($(window).scrollTop()-this.origY+this.headerHeight)+5,this.scrollMax);}
else{this.updatedY=this.headerHeight;}}
this.dy=Math.abs(this.updatedY-this.currentY);return this.dy;}
FloatObject.prototype.windowHeight=function(){var de=document.documentElement;return self.innerHeight||(de&&de.clientHeight)||document.body.clientHeight;}
FloatObject.prototype.windowWidth=function(){var de=document.documentElement;return self.innerWidth||(de&&de.clientWidth)||document.body.clientWidth;}
FloatObject.prototype.move=function(){if(this.jqObj.css("position")!="relative")return;var cy=0;if(this.dy>0){if(this.dy<this.steps/2)
cy=(this.dy>=1)?1:0;else
cy=Math.round(this.dy/this.steps);if(this.currentY<this.updatedY)
this.currentY+=cy;else
this.currentY-=cy;}
this.jqObj.css({'top':this.currentY});}
$.floatMgr={FOArray:new Array(),timer:null,initializeFO:function(jqObj,params){var settings=$.extend({y:0,speed:'normal',alwaysVisible:false,alwaysTop:true,headerHeight:0,footerHeight:0},params||{});var newFO=new FloatObject(jqObj,settings);$.floatMgr.FOArray.push(newFO);if(!$.floatMgr.timer)$.floatMgr.adjustFO();if(!$.floatMgr.registeredEvents){$(window).bind("resize",$.floatMgr.onChange);$(window).bind("scroll",$.floatMgr.onChange);$.floatMgr.registeredEvents=true;}},adjustFO:function(){$.floatMgr.timer=null;var moveFO=false;for(var i=0;i<$.floatMgr.FOArray.length;i++){FO=$.floatMgr.FOArray[i];if(FO.updateLocation())moveFO=true;}
if(moveFO){for(var i=0;i<$.floatMgr.FOArray.length;i++){FO=$.floatMgr.FOArray[i];FO.move();}
if(!$.floatMgr.timer)$.floatMgr.timer=setTimeout($.floatMgr.adjustFO,50);}},stopFloatChk:false,onChange:function(){if(!$.floatMgr.timer&&!$.floatMgr.stopFloatChk)$.floatMgr.adjustFO();}};$.fn.makeFloat=function(params){var obj=this.eq(0);$.floatMgr.initializeFO(obj,params);if($.floatMgr.timer==null)$.floatMgr.adjustFO();return obj;};$.fn.stopFloat=function(params){$.floatMgr.stopFloatChk=true;};$.fn.restartFloat=function(params){$.floatMgr.stopFloatChk=false;};})(jQuery);