function showdiv(id1) {
	document.getElementById(id1).style.display='block';
}

function hidediv(id1) {
	document.getElementById(id1).style.display='none';
}
function focuson(id1) {
	document.getElementById(id1).focus();
}

function showhide(id1) {
  if(document.getElementById(id1).style.display=='none') {
    document.getElementById(id1).style.display='block';
        document.getElementById(id1 + "_image").src = "minus.gif";

  } else {
    document.getElementById(id1).style.display='none';

            document.getElementById(id1 + "_image").src = "plus.gif";
  }
}

function plusminus(id){
	alert(id);	
}