function Marquee(){this.ID=document.getElementById(arguments[0]);if(!this.ID){alert('您要设置的"'+arguments[0]+'"初始化错误\r\n请检查标签ID设置是否正确!');this.ID=-1;return}this.Direction=this.Width=this.Height=this.DelayTime=this.WaitTime=this.Correct=this.CTL=this.StartID=this.Stop=this.MouseOver=0;this.Step=1;this.Timer=30;this.DirectionArray={"top":0,"bottom":1,"left":2,"right":3};if(typeof arguments[1]=="number"){this.Direction=arguments[1]}if(typeof arguments[2]=="number"){this.Step=arguments[2]}if(typeof arguments[3]=="number"){this.Width=arguments[3]}if(typeof arguments[4]=="number"){this.Height=arguments[4]}if(typeof arguments[5]=="number"){this.Timer=arguments[5]}if(typeof arguments[6]=="number"){this.DelayTime=arguments[6]}if(typeof arguments[7]=="number"){this.WaitTime=arguments[7]}if(typeof arguments[8]=="number"){this.ScrollStep=arguments[8]}this.ID.style.overflow=this.ID.style.overflowX=this.ID.style.overflowY="hidden";this.ID.noWrap=true;this.IsNotOpera=(navigator.userAgent.toLowerCase().indexOf("opera")==-1);if(arguments.length>=7){this.Start()}}Marquee.prototype.Start=function(){if(this.ID==-1){return}if(this.WaitTime<800){this.WaitTime=800}if(this.Timer<20){this.Timer=20}if(this.Width==0){this.Width=parseInt(this.ID.style.width)}if(this.Height==0){this.Height=parseInt(this.ID.style.height)}if(typeof this.Direction=="string"){this.Direction=this.DirectionArray[this.Direction.toString().toLowerCase()]}this.HalfWidth=Math.round(this.Width/2);this.BakStep=this.Step;this.ID.style.width=this.Width;this.ID.style.height=this.Height;if(typeof this.ScrollStep!="number"){this.ScrollStep=this.Direction>1?this.Width:this.Height}var A=this;var C=this.Timer;var D=this.DelayTime;var B=this.WaitTime;A.StartID=function(){A.Scroll()};A.Continue=function(){if(A.MouseOver==1){setTimeout(A.Continue,D)}else{clearInterval(A.TimerID);A.CTL=A.Stop=0;A.TimerID=setInterval(A.StartID,C)}};A.Pause=function(){A.Stop=1;clearInterval(A.TimerID);setTimeout(A.Continue,D)};A.Begin=function(){A.ClientScroll=A.Direction>1?A.ID.scrollWidth:A.ID.scrollHeight;if((A.Direction<=1&&A.ClientScroll<A.Height)||(A.Direction>1&&A.ClientScroll<A.Width)){return}A.ID.innerHTML+=A.ID.innerHTML;A.TimerID=setInterval(A.StartID,C);if(A.ScrollStep<0){return}A.ID.onmousemove=function(E){if(A.ScrollStep==0&&A.Direction>1){var E=E||window.event;if(window.event){if(A.IsNotOpera){A.EventLeft=E.srcElement.id==A.ID.id?E.offsetX-A.ID.scrollLeft:E.srcElement.offsetLeft-A.ID.scrollLeft+E.offsetX}else{A.ScrollStep=null;return}}else{A.EventLeft=E.layerX-A.ID.scrollLeft}A.Direction=A.EventLeft>A.HalfWidth?3:2;A.AbsCenter=Math.abs(A.HalfWidth-A.EventLeft);A.Step=Math.round(A.AbsCenter*(A.BakStep*2)/A.HalfWidth)}};A.ID.onmouseover=function(){if(A.ScrollStep==0){return}A.MouseOver=1;clearInterval(A.TimerID)};A.ID.onmouseout=function(){if(A.ScrollStep==0){if(A.Step==0){A.Step=1}return}A.MouseOver=0;if(A.Stop==0){clearInterval(A.TimerID);A.TimerID=setInterval(A.StartID,C)}}};setTimeout(A.Begin,B)};Marquee.prototype.Scroll=function(){switch(this.Direction){case 0:this.CTL+=this.Step;if(this.CTL>=this.ScrollStep&&this.DelayTime>0){this.ID.scrollTop+=this.ScrollStep+this.Step-this.CTL;this.Pause();return}else{if(this.ID.scrollTop>=this.ClientScroll){this.ID.scrollTop-=this.ClientScroll}this.ID.scrollTop+=this.Step}break;case 1:this.CTL+=this.Step;if(this.CTL>=this.ScrollStep&&this.DelayTime>0){this.ID.scrollTop-=this.ScrollStep+this.Step-this.CTL;this.Pause();return}else{if(this.ID.scrollTop<=0){this.ID.scrollTop+=this.ClientScroll}this.ID.scrollTop-=this.Step}break;case 2:this.CTL+=this.Step;if(this.CTL>=this.ScrollStep&&this.DelayTime>0){this.ID.scrollLeft+=this.ScrollStep+this.Step-this.CTL;this.Pause();return}else{if(this.ID.scrollLeft>=this.ClientScroll){this.ID.scrollLeft-=this.ClientScroll}this.ID.scrollLeft+=this.Step}break;case 3:this.CTL+=this.Step;if(this.CTL>=this.ScrollStep&&this.DelayTime>0){this.ID.scrollLeft-=this.ScrollStep+this.Step-this.CTL;this.Pause();return}else{if(this.ID.scrollLeft<=0){this.ID.scrollLeft+=this.ClientScroll}this.ID.scrollLeft-=this.Step}break}};