function showarg1()
 {
	 document.getElementById('right1').style.display= "none";
 document.getElementById('right2').style.display= "none";
 document.getElementById('right3').style.display= "none";
 document.getElementById('right4').style.display= "none";
    document.getElementById('right').style.display= "none";
	document.getElementById('right1').style.display= "inline";
	document.getElementById('arg2').style.display= "block";
  }
   function showarg2()
 {
	  document.getElementById('right1').style.display= "none";
 document.getElementById('right2').style.display= "none";
 document.getElementById('right3').style.display= "none";
 document.getElementById('right4').style.display= "none";
    document.getElementById('right1').style.display= "none";
	document.getElementById('right2').style.display= "inline";
	document.getElementById('arg3').style.display= "block";
  }
   function showarg3()
 {
	  document.getElementById('right1').style.display= "none";
 document.getElementById('right2').style.display= "none";
 document.getElementById('right3').style.display= "none";
 document.getElementById('right4').style.display= "none";
    document.getElementById('right2').style.display= "none";
	document.getElementById('right3').style.display= "inline";
	document.getElementById('arg4').style.display= "block";
  }
   function showarg4()
 {
	  document.getElementById('right1').style.display= "none";
 document.getElementById('right2').style.display= "none";
 document.getElementById('right3').style.display= "none";
 document.getElementById('right4').style.display= "none";
    document.getElementById('right3').style.display= "none";
	document.getElementById('right4').style.display= "inline";
  }