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.CTL=this.StartID=this.Stop=this.MouseOver=0;this.Step=1;this.Timer=30;this.DirectionArray={"top":0,"up":0,"bottom":1,"down":1,"left":2,"right":3};if(typeof arguments[1]=="number"||typeof arguments[1]=="string")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.HalfHeight=Math.round(this.Height/2);this.BakStep=this.Step;this.ID.style.width=this.Width+"px";this.ID.style.height=this.Height+"px";if(typeof this.ScrollStep!="number")this.ScrollStep=this.Direction>1?this.Width:this.Height;var templateLeft="<div cellspacing='0' cellpadding='0' style='border-collapse:collapse;display:inline;'><div><div noWrap=true style='white-space: nowrap;word-break:keep-all;'>MSCLASS_TEMP_HTML</div><div noWrap=true style='white-space: nowrap;word-break:keep-all;'>MSCLASS_TEMP_HTML</div></div></div>";var templateTop="<div cellspacing='0' cellpadding='0' style='border-collapse:collapse;'><div><div>MSCLASS_TEMP_HTML</div></div><div><div>MSCLASS_TEMP_HTML</div></div></div>";var msobj=this;msobj.tempHTML=msobj.ID.innerHTML;if(msobj.Direction<=1)
{msobj.ID.innerHTML=templateTop.replace(/MSCLASS_TEMP_HTML/g,msobj.ID.innerHTML);}
else
{if(msobj.ScrollStep==0&&msobj.DelayTime==0)
{msobj.ID.innerHTML+=msobj.ID.innerHTML;}
else
{msobj.ID.innerHTML=templateLeft.replace(/MSCLASS_TEMP_HTML/g,msobj.ID.innerHTML);}}
var timer=this.Timer;var delaytime=this.DelayTime;var waittime=this.WaitTime;msobj.StartID=function(){msobj.Scroll()}
msobj.Continue=function()
{if(msobj.MouseOver==1)
{setTimeout(msobj.Continue,delaytime);}
else
{clearInterval(msobj.TimerID);msobj.CTL=msobj.Stop=0;msobj.TimerID=setInterval(msobj.StartID,timer);}}
msobj.Pause=function()
{msobj.Stop=1;clearInterval(msobj.TimerID);setTimeout(msobj.Continue,delaytime);}
msobj.Begin=function()
{msobj.ClientScroll=msobj.Direction>1?msobj.ID.scrollWidth/2:msobj.ID.scrollHeight/2;if((msobj.Direction<=1&&msobj.ClientScroll<=msobj.Height+ msobj.Step)||(msobj.Direction>1&&msobj.ClientScroll<=msobj.Width+ msobj.Step)){msobj.ID.innerHTML=msobj.tempHTML;delete(msobj.tempHTML);return;}
delete(msobj.tempHTML);msobj.TimerID=setInterval(msobj.StartID,timer);if(msobj.ScrollStep<0)return;msobj.ID.onmousemove=function(event)
{if(msobj.ScrollStep==0&&msobj.Direction>1)
{var event=event||window.event;if(window.event)
{if(msobj.IsNotOpera)
{msobj.EventLeft=event.srcElement.id==msobj.ID.id?event.offsetX- msobj.ID.scrollLeft:event.srcElement.offsetLeft- msobj.ID.scrollLeft+ event.offsetX;}
else
{msobj.ScrollStep=null;return;}}
else
{msobj.EventLeft=event.layerX- msobj.ID.scrollLeft;}
msobj.Direction=msobj.EventLeft>msobj.HalfWidth?3:2;msobj.AbsCenter=Math.abs(msobj.HalfWidth- msobj.EventLeft);msobj.Step=Math.round(msobj.AbsCenter*(msobj.BakStep*2)/ msobj.HalfWidth);
}}
msobj.ID.onmouseover=function()
{if(msobj.ScrollStep==0)return;msobj.MouseOver=1;clearInterval(msobj.TimerID);}
msobj.ID.onmouseout=function()
{if(msobj.ScrollStep==0)
{if(msobj.Step==0)msobj.Step=1;return;}
msobj.MouseOver=0;if(msobj.Stop==0)
{clearInterval(msobj.TimerID);msobj.TimerID=setInterval(msobj.StartID,timer);}}}
setTimeout(msobj.Begin,waittime);}
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;}}