function isdisplay1(num)
		{
		 
		  if(num=="nums1")
		  {
		  	 document.getElementById("nums1").style.display="";  
		  	 document.getElementById("nums2").style.display="none";
		  	 document.getElementById("nums3").style.display="none";
		  	
		  	
		  	
		  }
		  if(num=="nums2")
		  {
		     document.getElementById("nums1").style.display="none";  
		  	 document.getElementById("nums2").style.display="";
		  	 document.getElementById("nums3").style.display="none";
		  	  
		  
		  }
		  if(num=="nums3")
		  {
		     document.getElementById("nums1").style.display="none";  
		  	 document.getElementById("nums2").style.display="none";
		  	 document.getElementById("nums3").style.display="";
		  	  
		  } 

		  
		  }
		  
		   function isdisplay2(num)
		{
		 
		  if(num=="nums5")
		  {
		  	 document.getElementById("nums5").style.display="";  
		  	 document.getElementById("nums6").style.display="none";
		  	 document.getElementById("nums7").style.display="none";
		  
		  	
		  	
		  }
		  if(num=="nums6")
		  {
		     document.getElementById("nums5").style.display="none";  
		  	 document.getElementById("nums6").style.display="";
		  	 document.getElementById("nums7").style.display="none";
		  
		  
		  }
		  if(num=="nums7")
		  {
		     document.getElementById("nums5").style.display="none";  
		  	 document.getElementById("nums6").style.display="none";
		  	 document.getElementById("nums7").style.display="";
		  	 
		  } 
		  }
		  
		   function isdisplay3(num)
		{
		 
		  if(num=="nums8")
		  {
		  	 document.getElementById("nums8").style.display="";  
		  	 document.getElementById("nums9").style.display="none";
		  	 document.getElementById("nums10").style.display="none";
		  	 document.getElementById("nums11").style.display="none";
		  	
		  	
		  }
		  if(num=="nums9")
		  {
		     document.getElementById("nums8").style.display="none";  
		  	 document.getElementById("nums9").style.display="";
		  	 document.getElementById("nums10").style.display="none";
		  	  document.getElementById("nums11").style.display="none";
		  
		  }
		  if(num=="nums10")
		  {
		     document.getElementById("nums8").style.display="none";  
		  	 document.getElementById("nums9").style.display="none";
		  	 document.getElementById("nums10").style.display="";
		  	  document.getElementById("nums11").style.display="none";
		  } 
		  if(num=="nums11")
		  		 
		  {
		     document.getElementById("nums8").style.display="none";  
		  	 document.getElementById("nums9").style.display="none";
		  	 document.getElementById("nums10").style.display="none";
		  	  document.getElementById("nums11").style.display="";
		  }
		  
		  }
		  
		  function isdisplay4(num)
		{
		 
		  if(num=="nums12")
		  {
		  	 document.getElementById("nums12").style.display="";  
		  	 document.getElementById("nums13").style.display="none";
		  	 document.getElementById("nums14").style.display="none";
		  	 document.getElementById("nums15").style.display="none";
		  	
		  	
		  }
		  if(num=="nums13")
		  {
		     document.getElementById("nums12").style.display="none";  
		  	 document.getElementById("nums13").style.display="";
		  	 document.getElementById("nums14").style.display="none";
		  	  document.getElementById("nums15").style.display="none";
		  
		  }
		  if(num=="nums14")
		  {
		     document.getElementById("nums12").style.display="none";  
		  	 document.getElementById("nums13").style.display="none";
		  	 document.getElementById("nums14").style.display="";
		  	  document.getElementById("nums15").style.display="none";
		  } 
		  if(num=="nums15")
		  		 
		  {
		     document.getElementById("nums12").style.display="none";  
		  	 document.getElementById("nums13").style.display="none";
		  	 document.getElementById("nums14").style.display="none";
		  	  document.getElementById("nums15").style.display="";
		  }
		  
		  }