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" || 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 msobj = this;
	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 : msobj.ID.scrollHeight;
			if((msobj.Direction <= 1 && msobj.ClientScroll <= msobj.Height + msobj.Step) || (msobj.Direction > 1 && msobj.ClientScroll <= msobj.Width + msobj.Step))return;
			msobj.ID.innerHTML += msobj.ID.innerHTML;
			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;
}
}

//<![CDATA[
function selcontent(num){
for(var i=1 ; i<=3; i++)
{
var navid="rightnav"+i;
var contentid="rightcontent"+i;
if(i==num)
{
document.getElementById(navid).style.display="block";
document.getElementById(contentid).style.display="block";
}else
{
document.getElementById(navid).style.display="none";
document.getElementById(contentid).style.display="none";
}
}
}
function getElement(aID)
{
  return (document.getElementById) ? document.getElementById(aID): document.all[aID];
}
function makeRequest(url){
  http_request=false;
  if(window.XMLHttpRequest){//Mozilla,Safari,...
     http_request=new XMLHttpRequest();
     if(http_request.overrideMimeType){
     http_request.overrideMimeType('text/xml');
   }
 }else if(window.ActiveXObject){//IE
   try{
   http_request=new ActiveXObject("Msxml2.XMLHTTP");
   }catch(e){
   try{
 		http_request=new ActiveXObject("Microsoft.XMLHTTP");
 	}catch(e){}
 	}
 }
 if(!http_request){
 	alert('Giving up:(Cannot create an XMLHTTP instance)');
 	return false;
 }
 return http_request;
}
function loadget(url,id){
	var xhttp=makeRequest();
	xhttp.onreadystatechange=function(){
		if(xhttp.readyState == 4 && (xhttp.status==200 || window.location.href.indexOf("http")==-1))
		{		   			 
			var text = xhttp.responseText;
			//alert(text);
				getElement(id).innerHTML =text;				
		}
	}
	xhttp.open("GET",url,true);
	xhttp.send(null);
}
//]]>

function showFocus(num)
{
 for(var id = 1;id<=4;id++)
 {
  var fpid="focusPic"+id;
  var fcid="focusContent"+id;
  var fnid="focusnav"+id;
  if(id==num){
  	try{document.getElementById(fpid).style.display="block"}catch(e){};
	try{document.getElementById(fcid).style.display="block"}catch(e){};
	try{document.getElementById(fnid).className="active"}catch(e){};
  }else{
	try{document.getElementById(fpid).style.display="none"}catch(e){};
	try{document.getElementById(fcid).style.display="none"}catch(e){};
	try{document.getElementById(fnid).className=""}catch(e){};
  }
 }  
}