var n=0;
var showNum = document.getElementById("num");
function Mea(value,images,imagelink,videos){
	n=value;
	setBg(value);
        if(videos==""){
            document.getElementById("pc_1").innerHTML="<a href='"+imagelink+"'target='_blank'><img src="+images+" /></a>";
        }else{
            flashflv(images,videos);
        }	
	}
function setBg(value){
	for(var i=0;i<3;i++){
	   if(value==i){
	     document.getElementById("a"+value).className='act';      
			}	else{	
			 document.getElementById("a"+i).className='nor';
			}  
	} 
}
function clearAuto(){clearInterval(autoStart)}
function setAuto(){autoStart=setInterval("auto(n)", 3000)}
function auto(){
//	n++;
//	if(n>3)n=0;
//	Mea(n);
} 
function sub(){
	n--;
	if(n<0)n=3;
	Mea(n);
}
function flashflv(preview,filename){
              var s1 = new SWFObject("./script/player.swf","ply","494","310","9","#FFFFFF");
		s1.addParam("allowfullscreen","true");
		s1.addParam("allowscriptaccess","always");
		s1.addParam("flashvars","file="+filename+"&image="+preview);
		s1.write("pc_1");
            }
setAuto();