function checkAll() {
for (var j = 1; j <= 14; j++) {
box = eval("document.checkboxform.C" + j); 
if (box.checked == false) box.checked = true;
   }
}

function uncheckAll() {
for (var j = 1; j <= 14; j++) {
box = eval("document.checkboxform.C" + j); 
if (box.checked == true) box.checked = false;
   }
}

function showHide(id) {
	var obj = document.getElementById(id);
	if (obj.style.display == 'none'){
		obj.style.display = 'block';
		}
	else{
		obj.style.display = 'none';
	}
}

function show(id) {
	var obj = document.getElementById(id);
		obj.style.display = 'block';
}

function enable(id) {
	var obj = document.getElementById(id);
		obj.disabled=false;
}

function hide(id) {
	var obj = document.getElementById(id);
		obj.style.display = 'none';
}

function disable(id) {
	var obj = document.getElementById(id);
		obj.disabled=true;
}


function showHideByMe(me,id)
{
	var obj = me;
	if (obj.checked){
		show(id);
	}
	else
	{
		hide(id);
	}
		
}

function enableDisableByMe(me,id)
{
	var obj = me;
	if (obj.checked){
		enable(id);
	}
	else
	{
		disable(id);
	}
		
}