function avk(m,n,x)
{   


   for(var i=0;i<n;i++)
   {
	document.getElementById("nav"+m+"_"+i).className="";
	document.getElementById("con"+m+"_"+i).style.display="none";
	
	
}
    document.getElementById("nav"+m+"_"+x).className="hov";
	document.getElementById("con"+m+"_"+x).style.display="";
	
}


function alltr(m,n,x)
{   
   for(var i=0;i<n;i++)
   {
	document.getElementById("nav_"+m+"_"+i).className="";
	document.getElementById("con_"+m+"_"+i).style.display="none";
	
	document.getElementById("nav_0_10").className="no-right";
   }
  
    document.getElementById("nav_"+m+"_"+x).className="hov";
	document.getElementById("con_"+m+"_"+x).style.display="";
   
}

function outof()
{   
  document.getElementById("con_0").style.display="none";
}
function onof()
{   
  document.getElementById("con_0").style.display="";
}