var preloadedimages = new Array() ; 

var cpAD=new Array();
var cpADlink=new Array();
var cpADmsg=new Array();
var adNum=6; 
var coll=0;

cpAD[0]="RotatePhotos/001.jpg";
cpADlink[0]="";
cpADmsg[0]="1"; 

cpAD[1]="RotatePhotos/002.jpg";
cpADlink[1]="";
cpADmsg[1]="2";

cpAD[2]="RotatePhotos/003.jpg";
cpADlink[2]="";
cpADmsg[2]="3"; 

cpAD[3]="RotatePhotos/004.jpg";
cpADlink[3]="";
cpADmsg[3]="4";


cpAD[4]="RotatePhotos/005.jpg";
cpADlink[4]="";
cpADmsg[4]="5"; 

cpAD[5]="RotatePhotos/006.jpg";
cpADlink[5]="";
cpADmsg[5]="6"; 


for( i=1 ; i<cpAD.length ; i++ )
{ 
	//alert( cpAD.length + " -----(1-5) " + i ) ;
	preloadedimages[i] = new Image() ; 
	preloadedimages[i].src = cpAD[i] ; 
} 

function jump2url()
{ 
	jumpUrl = cpADlink[adNum] ; 
	jumpTarget = '_blank' ; 
	if( jumpUrl != '' )
	{ 
		if(	jumpTarget != '' )
			window.open(jumpUrl,jumpTarget) ; 
		else location.href = jumpUrl ; 
	} 
}


function changeimg( n )
{
	adNum = n-1 ;
	switch(n)
	{
		case 0:
		{
			//alert( "changeimg case 0 --- n=" + n +" --- " + "adNum = n-1 = " + adNum ) ;  
			document.all.img1.src="images/1-2.gif";
			document.all.img2.src="images/2.gif";
			document.all.img3.src="images/3.gif";
			document.all.img4.src="images/4.gif";
			document.all.img5.src="images/5.gif";
			document.all.img6.src="images/6.gif";
			break;
		}
		case 1:
		{
			document.all.img1.src="images/1.gif";
			document.all.img2.src="images/2-2.gif";
			document.all.img3.src="images/3.gif";
			document.all.img4.src="images/4.gif";
			document.all.img5.src="images/5.gif";
			document.all.img6.src="images/6.gif";
			break;
		}
		case 2:
		{
			document.all.img1.src="images/1.gif";
			document.all.img2.src="images/2.gif";
			document.all.img3.src="images/3-2.gif";
			document.all.img4.src="images/4.gif";
			document.all.img5.src="images/5.gif";
			document.all.img6.src="images/6.gif";
			break;
		}
		case 3:
		{
			document.all.img1.src="images/1.gif";
			document.all.img2.src="images/2.gif";
			document.all.img3.src="images/3.gif";
			document.all.img4.src="images/4-2.gif";
			document.all.img5.src="images/5.gif";
			document.all.img6.src="images/6.gif";
			break;
		}
		case 4:
		{
			//alert( "changeimg case 4 --- n=" + n +" --- " + "adNum = n-1 = " + adNum ) ;  
			document.all.img1.src="images/1.gif";
			document.all.img2.src="images/2.gif";
			document.all.img3.src="images/3.gif";
			document.all.img4.src="images/4.gif";
			document.all.img5.src="images/5-2.gif";
			document.all.img6.src="images/6.gif";
			break;
		}
		case 5:
		{
			document.all.img1.src="images/1.gif";
			document.all.img2.src="images/2.gif";
			document.all.img3.src="images/3.gif";
			document.all.img4.src="images/4.gif";
			document.all.img5.src="images/5.gif";
			document.all.img6.src="images/6-2.gif";
			break;
		}
	}

	window.clearInterval( theTimer ) ;
	nextAd();
}


function nextAd()
{
	//adNum = 6 --- coll= 0
	//alert( "nextAd" + " --- " + "adNum = " + adNum + " --- " + "coll = " + coll ) ; 
	coll++;
	if( coll > 1 )
	{
		switch( adNum+1 )
		{
			case 0:
			{
				//alert( "nextAd --- switch( adNum+1 ) = " + adNum+1 + " --- " + "case 0 " + " --- " + "coll = " + coll + " --- " + "adNum=" + adNum ) ;  
				document.all.img1.src="images/1-2.gif";
				document.all.img2.src="images/2.gif";
				document.all.img3.src="images/3.gif";
				document.all.img4.src="images/4.gif";
				document.all.img5.src="images/5.gif";
				document.all.img6.src="images/6.gif";

				break;
			}
			case 1:
			{
				//adNum = 0 
				//alert( "nextAd --- switch( adNum+1 ) = " + adNum+1 + " --- " + "case 1 " + " --- " + "coll = " + coll + " --- " + "adNum=" + adNum ) ;  

				document.all.img1.src="images/1.gif";
				document.all.img2.src="images/2-2.gif";
				document.all.img3.src="images/3.gif";
				document.all.img4.src="images/4.gif";
				document.all.img5.src="images/5.gif";
				document.all.img6.src="images/6.gif";
				break;
			}
			case 2:
			{
				//adNum = 1
				document.all.img1.src="images/1.gif";
				document.all.img2.src="images/2.gif";
				document.all.img3.src="images/3-2.gif";
				document.all.img4.src="images/4.gif";
				document.all.img5.src="images/5.gif";
				document.all.img6.src="images/6.gif";
				break;
			}
			case 3:
			{
				//adNum = 2
				document.all.img1.src="images/1.gif";
				document.all.img2.src="images/2.gif";
				document.all.img3.src="images/3.gif";
				document.all.img4.src="images/4-2.gif";
				document.all.img5.src="images/5.gif";
				document.all.img6.src="images/6.gif";
				break;
			}
			case 4:
			{
				//adNum = 3
				document.all.img1.src="images/1.gif";
				document.all.img2.src="images/2.gif";
				document.all.img3.src="images/3.gif";
				document.all.img4.src="images/4.gif";
				document.all.img5.src="images/5-2.gif";
				document.all.img6.src="images/6.gif";
				break;
			}
			case 5:
			{
				//adNum = 4
				document.all.img1.src="images/1.gif";
				document.all.img2.src="images/2.gif";
				document.all.img3.src="images/3.gif";
				document.all.img4.src="images/4.gif";
				document.all.img5.src="images/5.gif";
				document.all.img6.src="images/6-2.gif";
				break;
			}
			case 6:
			{
				//adNum = 5
				document.all.img1.src="images/1-2.gif";
				document.all.img2.src="images/2.gif";
				document.all.img3.src="images/3.gif";
				document.all.img4.src="images/4.gif";
				document.all.img5.src="images/5.gif";
				document.all.img6.src="images/6.gif";
				break;
			}
			case 7:
			{
				//alert( "nextAd case 6 : " + adNum ) ;
				//adNum = 6 , 调试大半天，原来是这里还要再加一个，否则到了最后一个回头显示第一个会一闪而过
				document.all.img1.src="images/1-2.gif";
				document.all.img2.src="images/2.gif";
				document.all.img3.src="images/3.gif";
				document.all.img4.src="images/4.gif";
				document.all.img5.src="images/5.gif";
				document.all.img6.src="images/6.gif";
				adNum=0;
				break;
			}
		}
	}

	if(adNum<cpAD.length-1)
	{
		document.images.cpADrush.src=cpAD[adNum]; 
		adNum++ ; 
	}
	else 
	{
		adNum=0;
		document.images.cpADrush.src=cpAD[adNum]; 
	}

	setTransition() ;
	document.images.cpADrush.src=cpAD[adNum] ; 
	playTransition() ; 
	displayStatusMsg() ;
	theTimer = setTimeout("nextAd()", 5000) ; 
}


function setTransition()
{ 
	if (document.all)
	{ 
		document.images.cpADrush.filters.revealTrans.Transition=23; 
		document.images.cpADrush.filters.revealTrans.apply(); 
	} 
} 


function playTransition()
{ 
	if (document.all) 
	document.images.cpADrush.filters.revealTrans.play() 
} 


function displayStatusMsg() 
{ 
	status = cpADmsg[adNum] ; 
	document.returnValue = true; 
}