function showCon(id){
	try{
			for(var i = 1; i <= 40; i ++)
			{

				  if(id == i)
				  {
					  if(document.getElementById("con"+i).style.display=="none"){
					     document.getElementById("con"+i).style.display = "";
				  	}else{
				  	   document.getElementById("con"+i).style.display = "none";
				  	}
			  	}
				  else
			  	{
				  	   document.getElementById("con"+i).style.display = "none";
			  	}

		}
	}catch(E){}
}