var transitionstext = new Array;
transitionstext[0] = "blendTrans(Duration=1.0)";
transitionstext[1] = "revealTrans(Duration=1.0,Transition=0)";
transitionstext[2] = "revealTrans(Duration=1.0,Transition=1)";
transitionstext[3] = "revealTrans(Duration=1.0,Transition=2)";
transitionstext[4] = "revealTrans(Duration=1.0,Transition=3)";
transitionstext[5] = "revealTrans(Duration=1.0,Transition=4)";
transitionstext[6] = "revealTrans(Duration=1.0,Transition=5)";
transitionstext[7] = "revealTrans(Duration=1.0,Transition=6)";
transitionstext[8] = "revealTrans(Duration=1.0,Transition=7)";
transitionstext[9] = "revealTrans(Duration=1.0,Transition=8)";
transitionstext[10] = "revealTrans(Duration=1.0,Transition=9)";
transitionstext[11] = "revealTrans(Duration=1.0,Transition=10)";
transitionstext[12] = "revealTrans(Duration=1.0,Transition=11)";
transitionstext[13] = "revealTrans(Duration=1.0,Transition=12)";
transitionstext[14] = "revealTrans(Duration=1.0,Transition=13)";
transitionstext[15] = "revealTrans(Duration=1.0,Transition=14)";
transitionstext[16] = "revealTrans(Duration=1.0,Transition=15)";
transitionstext[17] = "revealTrans(Duration=1.0,Transition=16)";
transitionstext[18] = "revealTrans(Duration=1.0,Transition=17)";
transitionstext[19] = "revealTrans(Duration=1.0,Transition=18)";
transitionstext[20] = "revealTrans(Duration=1.0,Transition=19)";
transitionstext[21] = "revealTrans(Duration=1.0,Transition=20)";
transitionstext[22] = "revealTrans(Duration=1.0,Transition=21)";
transitionstext[23] = "revealTrans(Duration=1.0,Transition=22)";
transitionstext[24] = "revealTrans(Duration=1.0,Transition=23)";

var NowImg = 1;
var bStart = 0;
var bStop =0;    //如果鼠标点击相应的数字，则bStop的值为1，否则图片进行自动切换，bStop的值为0；
var begin;
var interval = 2000;
function initialization(){
         pic.style.filter=transitionstext[Math.floor(Math.random() * (transitionstext.length-1))];
//alert(Math.floor(Math.random() * transitionstext.length));
	
	bStop =0;	
	var next = NowImg + 1;
	if(next == MaxImg+1){
		NowImg = MaxImg;
		next = 1;
	}	 
	if(bStop != 1){
		if(bStart == 0){
			bStart = 1;	
			begin = setTimeout('initialization()', interval);	
			return;
		}
		else{	
         pic.filters[0].Apply();
			//alert(transitionstext[Math.floor(Math.random() * transitionstext.length)]);
			document.getElementById("pic" + next).style.display="";
			document.getElementById("pic" + NowImg).style.display="none";
			//document.getElementById("brief" + next).style.display="";
			//document.getElementById("brief" + NowImg).style.display="none";
			//pic.style.filter="transitionstext[Math.floor(Math.random() * transitionstext.length)]";
			 pic.filters[0].Play();
		   
			for (var i=1;i<=MaxImg;i++){
 				document.getElementById("num"+i).className="link";
				if(i == next){
  				document.getElementById("num"+i).className="current";
				}
				else{
					document.getElementById("num"+i).innerHTML=i;
				}
		    //while(next==MaxImg){
				//document.getElementById("num").className="link";
				//}
			}			
			if(NowImg == MaxImg) 
				NowImg = 1;
			else
				NowImg++;		
		}		
		begin = setTimeout('initialization()', interval);	
	}
	
}

function showit(x){
	bStop=1;
	clearTimeout(begin);
	for (var i=1;i<=MaxImg;i++){
		document.getElementById("pic" + i).style.display="none";
		//document.getElementById("brief" + i).style.display="none";
		document.getElementById("num"+i).className="link";
		if(i == x){
			document.getElementById("pic" + i).style.display="block";
			//document.getElementById("brief" + i).style.display="block";
			document.getElementById("num"+i).className="current";
		}		
	}	
	NowImg=x;
}

function playit(){	
	begin = setTimeout('initialization()', interval);	
}
begin = setTimeout('initialization()', interval);