function NlsFloatMenu(){var fMenu=null;var yPos=0;var p=new Object();var tm=null;var iv=null;var t=0;this.init=function(panel){fMenu=document.getElementById(panel);yPos=parseInt(fMenu.style.top);p.x1=yPos};this.scrollMenu=function(){if(!tm&&!iv){tm=setTimeout(moveFloat,200);}};function moveFloat(){var scrOffY=window.scrollY?window.scrollY:document.documentElement.scrollTop||document.body.scrollTop;if(scrOffY+yPos==p.x2)return;p.x2=scrOffY+yPos;setPoint(p);iv=setInterval(scrollXY,10);};function setPoint(p){p.c1=p.x1+(p.x2-p.x1)*1/3;p.c2=p.x2};function scrollXY(){if(t<30){var a=effect_bezier(t/30,p.x1,p.x2,p.c1,p.c2);fMenu.style.top=a+"px";t++}else{fMenu.style.top=p.x2+"px";clearInterval(iv);tm=null;iv=null;p.x1=p.x2;t=0;moveFloat();}}};