/* for tabbing*/

function st3(t){
for(i=1;i<=4;i++){
			ts=document.getElementById('bt'+i);
		tr = document.getElementById('bd'+i);
			
		if(t==i){
	 			ts.className="tb1";
			   tr.style["display"]="block";
			 tr.style["visibility"]="visible";

					}
		else{
		  		ts.className="tb2";
			  tr.style["display"]="none";
  		  tr.style["visibility"]="hidden";
		}
	  }

	  }
/*To displaying inside riht navigation (id=txt-rt)just call the following function on the link*/