function tw(id,src){
	this.src=src;
	this.id=id;
	this.div=document.createElement("div");
	this.div.style.position="absolute";
	this.div.style.width="952";
	this.div.style.height="372";
	this.div.style.left=0;
	this.div.style.top=0;
	this.div.style.overflow="hidden";
	
	this.div.innerHTML='<a href="' + adurl[id] + '" target=_blank><image style="position:absolute;left:0;" border=0 src="uploadfile/' + src + '"></a>';
	
	this.show=function(obj){
		obj.insertAdjacentElement("beforeEnd",this.div);
	}
	this.out=function(obj){
		try{
			obj.removeChild(this.div);
		}catch(e){}
	}

}

function display(obj1,obj2){
	obj1.div.style.zIndex=200;
	obj2.div.style.zIndex=100;
	var mode=parseInt(Math.random()*6);
	switch(mode){
		case 0:
			move(obj1,960,0);
			break;
		case 1:
			move(obj1,-960,0);
			break;
		case 2:
			move(obj1,0,380);
			break;
		case 3:
			move(obj1,960,380);
			break;
		case 4:
			var tempobj=new tw(obj1.id,obj1.src);
			tempobj.div.style.zIndex=500;
			tempobj.div.style.left=parseInt(tempobj.div.style.width)/2;
			tempobj.div.innerHTML=tempobj.div.innerHTML.replace("LEFT: 0","LEFT: -476");
			tempobj.div.style.width=parseInt(tempobj.div.style.width)/2;
			tempobj.show(document.getElementById("tvmain"));
			
			obj1.div.style.width=parseInt(obj1.div.style.width)/2;
			
			move(tempobj,960,0);
			move(obj1,-960,0);
			break;
		default:
			move(obj1,0,-380);
	
	}
	
	obj2.show(document.getElementById("tvmain"));
}

function move(obj,x,y){
		var speedx=10;
		var speedy=4;
		x1=parseInt(obj.div.style.left);
		y1=parseInt(obj.div.style.top);
		
		if(x>x1){
			if((x-x1)<=speedx){
				x1=x;
			}else{
				x1+=speedx;
			}
		}
		if(x<x1){
			if((x1-x)<=speedx){
				x1=x;
			}else{
				x1-=speedx;
			}
		}
		if(y>y1){
			if((y-y1)<=speedy){
				y1=y;
			}else{
				y1+=speedy;
			}
		}
		if(y<y1){
			if((y1-y)<=speedy){
				y1=y;
			}else{
				y1-=speedy;
			}
		}

		if(x1==x&&y1==y){
			obj.div.style.left = 0;
			obj.div.style.top = 0;
			obj.div.style.width="952";
			obj.div.style.height="372";
			obj.out(document.getElementById("tvmain"));
		}else{
			obj.div.style.left = x1;
			obj.div.style.top = y1;
			window.setTimeout(function(){move(obj,x,y)},10);
		}
}

var imagesrc="200879103728.jpg|2008625185254.jpg|2008627225507.jpg|200843141225.jpg|200843103534.jpg|20084395055.jpg|200842175817.jpg|200842170542.jpg|200842145502.jpg|best.jpg|dade.jpg|ccic.jpg|sinotrans.jpg|hopeful.jpg";
var adurl="http://yw.webi.com.cn/ |http://www.ztcnc.com.cn/ |http://www.jiage.cc |http://www.stmeer.com/ |http://www.hypindao.com/content/10690.html |http://www.15game.net/ |http://www.kstcargo.com/ |http://www.sellersunion.com.cn/ |http://www.hypindao.com/content/10688.html |http://www.zjquestar.com/ |http://www.chinadade.com/ |http://www.zhej-ccic.com/ |http://www.sinotrans.com/ |http://www.chinazjhf.com/ ";

var tws=new Array();
var id_now=0;
var id_max=0;
function start(){
	imagesrc=imagesrc.split("|");
	adurl=adurl.split("|");
	id_max=imagesrc.length-1;
	
	for(i in imagesrc){
		tws[i]=new tw(i,imagesrc[i]);
	}
	tws[0].show(document.getElementById("tvmain"));
	window.setTimeout("main()",8000);
}

function main(){
	if(gd.moused){
		window.setTimeout("main()",8000);
		return;
	}
	if(id_now>=id_max)
		var id_next=0;
	else
		var id_next=id_now+1;
		
	display(tws[id_now],tws[id_next]);

	id_now=id_next;
	setpos();
	window.setTimeout("main()",8000);
}

start();


//
//设置滚动条位置
function setpos(){
	var obj=document.getElementById("jindutiao");
	obj.style.left=512*(id_now/id_max);
	
}
//滚动条对象
function gundong(){
	var x=0;
	var y=0;
	var moused=false;
	var obj=document.getElementById("jindutiao");
	
	this.mousedown=function(e){
		this.x=e.x;
		this.y=e.y;
		this.moused=true;
	}
	this.mouseup=function(e){
		this.moused=false;
	}
	this.mousemove=function(e){
		
		if(this.moused){
			var newx=parseInt(obj.style.left)+(e.x-this.x);
			if(newx>=0&&newx<=512){
				obj.style.left=newx;
				if(parseInt(newx/(512/(id_max+1)))!=id_now&&parseInt(newx/(512/(id_max+1)))<=id_max){
					id_now=parseInt(newx/(512/(id_max+1)));
					obj1=document.getElementById("tvmain");
					for(i in obj1.children){
						obj1.removeChild(obj1.children[0]);
					}
					tws[id_now].show(document.getElementById("tvmain"));
				}
			}
			this.x=e.x;
		}
		
	}
	
}
var gd=new gundong();




///////////////