var currentslide=1;
   var totalslide=0;

   function nextslide(){

        document.getElementById('prevslidediv').style.visibility="visible";

        var divid="playerslide" + (currentslide)
        document.getElementById(divid).style.display="none";
 
        var divid="playerslide" + (currentslide+1)
        document.getElementById(divid).style.display="none";

        var divid="playerslide" + (currentslide+2)
        document.getElementById(divid).style.display="none";


	    var divid="playerslide" + (currentslide+3)
        document.getElementById(divid).style.display="none";
 
        var divid="playerslide" + (currentslide+4)
        document.getElementById(divid).style.display="none";

        var divid="playerslide" + (currentslide+5)
        document.getElementById(divid).style.display="none";

	   
	   
	   currentslide+=6;
      // alert(currentslide + "  " + totalslide );
       if(currentslide >=(totalslide-5))
        {
            document.getElementById('nextslidediv').style.visibility="hidden";
        }

       var divid="playerslide" + (currentslide)
       document.getElementById(divid).style.display="block";
 
       if((currentslide+1)<= totalslide){
           var divid="playerslide" + (currentslide+1)
           document.getElementById(divid).style.display="block";
       }

       if((currentslide+2)<= totalslide){
          var divid="playerslide" + (currentslide+2)
          document.getElementById(divid).style.display="block";
       }

       if((currentslide+3)<= totalslide){
           var divid="playerslide" + (currentslide+3)
           document.getElementById(divid).style.display="block";
       }

     if((currentslide+4)<= totalslide){
          var divid="playerslide" + (currentslide+4)
          document.getElementById(divid).style.display="block";
     }

     if((currentslide+5)<= totalslide){
          var divid="playerslide" + (currentslide+5)
          document.getElementById(divid).style.display="block";
     }
   
   
   }

   function prevslide(){
         document.getElementById('nextslidediv').style.visibility="visible";
    
 // alert(currentslide);
        var divid="playerslide" + (currentslide)
        document.getElementById(divid).style.display="none";
 
       if((currentslide+1)<= totalslide){
           var divid="playerslide" + (currentslide+1)
           document.getElementById(divid).style.display="none";
        }


       if((currentslide+2)<= totalslide){

          var divid="playerslide" + (currentslide+2)
          document.getElementById(divid).style.display="none";
        }


	   if((currentslide+3)<= totalslide){
          var divid="playerslide" + (currentslide+3)
          document.getElementById(divid).style.display="none";
       }

		
       if((currentslide+4)<= totalslide){
          var divid="playerslide" + (currentslide+4)
          document.getElementById(divid).style.display="none";
       }
		

	   if((currentslide+5)<= totalslide){
          var divid="playerslide" + (currentslide+5)
          document.getElementById(divid).style.display="none";
       }

		currentslide-=6;
   //     alert(currentslide);

        var divid="playerslide" + (currentslide)
        document.getElementById(divid).style.display="block";
 
        var divid="playerslide" + (currentslide+1)
        document.getElementById(divid).style.display="block";

        var divid="playerslide" + (currentslide+2)
        document.getElementById(divid).style.display="block";

        var divid="playerslide" + (currentslide+3)
        document.getElementById(divid).style.display="block";
 
        var divid="playerslide" + (currentslide+4)
        document.getElementById(divid).style.display="block";

        var divid="playerslide" + (currentslide+5)
        document.getElementById(divid).style.display="block";

	  
	  if(currentslide<=1){
         document.getElementById('prevslidediv').style.visibility="hidden";
      }

   }