function show(theTable,count,more,less) { 
   for(i=0;i<count;i++){ 
	  document.getElementById(theTable+i).style.display = "";
	}
	 document.getElementById(less).style.display = "";
	 document.getElementById(more).style.display = "none";
}
function hide(theTable,count,more,less) {	
	for(i=4;i<count;i++){ 
	  document.getElementById(theTable+i).style.display = 'none';
    }
    document.getElementById(less).style.display = "none";
	document.getElementById(more).style.display = "";
}