var Img;
img_dir+="/";
var pre_img = new Image();
var ss_name=new Array();
var ctr=new Array();
var min_ctr=new Array();
var max_ctr=new Array();
var pre_flag=new Array();
var Img=new Array();
ss_name[0]="ss1";
ss_name[1]="ss2";
ss_name[2]="ss3";
for(i=0;i<ss_num;i++){
	var temp=i+1;
	max_ctr[i]= eval("max_" + temp);
	if(i==0)
		{min_ctr[i]=1;}
	else{
		min_ctr[i]=max_ctr[i-1]+1;}
	ctr[i]=min_ctr[i]+1;
	pre_flag[i]=true;
}
//alert( "start is" + ctr[0]);
//alert( "max is" + max_ctr[0]);
var sst_num=1;
var t;
function runSlideShow(){
for(i=0;i<sst_num;i++){
 //alert("sst num is" + sst_num);
  if(document.all){ 
    eval("document.images."+ss_name[i]+".style.filter=\"blendTrans(duration=2)\"");
    eval("document.images."+ss_name[i]+".style.filter=\"blendTrans(duration=crossFadeDuration)\"");
    eval("document.images."+ss_name[i]+".filters.blendTrans.Apply()");
	}
	//alert ("i is " + i);
	//alert ("counter is " + ctr[i]);
	var ctr_str=ctr[i]+'';
	//alert ("counter is " + ctr[i]);
  	Img[i]= img_dir + ctr[i] + ".jpg";
	//alert ("counter is " + ctr[i]);
  	//alert(Img);
  	//document.images.SlideShow.src=Img[i];
  	eval("document.images."+ss_name[i]+".src=Img[i]");
  	if (document.all) {
    	eval("document.images."+ss_name[i]+".filters.blendTrans.Play()");
  	}
  	ctr[i]++;
  	if(ctr[i]>max_ctr[i]){
    	if(ss_num>i+1 && pre_flag[i]){
		//alert(sst_num);
			sst_num++;}
    	ctr[i]=min_ctr[i];
		//alert (i+" and " +min_ctr[i]);
    	pre_flag[i]=false;
  	}	
  	if(pre_flag[i]){//preload the next image
    	var temp= img_dir + ctr[i]+ ".jpg";
		pre_img.src=temp;
  	}
}	
  	t=setTimeout('runSlideShow()', ssSpeed);
}

function FadeImg(img_name, id)
{
var img
  if(document.all)
  	{ 
  	  eval("document.images."+img_name+".style.filter=\"blendTrans(duration=2)\"");
  	  eval("document.images."+img_name+".style.filter=\"blendTrans(duration=crossFadeDuration)\"");
  	  eval("document.images."+img_name+".filters.blendTrans.Apply()");
	}
	img= basedir + "/" + img_name + "/" + id + ".jpg";
	//alert(img);
		eval("document.images."+img_name+".src=img");
  	if (document.all) {
    	eval("document.images."+img_name+".filters.blendTrans.Play()");
  	}
		
  	//if(pre_flag[id]){//preload the next image
	//	id++;    	
    	//	var temp= img_dir + id+ ".jpg";
	//	pre_img.src=temp;
  	//}
 
}