//show OR hide funtcion depends on if element is shown or hidden
function shoh(id) {
	if (document.getElementById) { // DOM3 = IE5, NS6
		if (document.getElementById(id).style.display == "none"){
			document.getElementById(id).style.display = 'block';
		} else {
			document.getElementById(id).style.display = 'none';
		}
	} else {
		if (document.layers) {
			if (document.id.display == "none"){
				document.id.display = 'block';
			} else {
				document.id.display = 'none';
			}
		} else {
			if (document.all.id.style.visibility == "none"){
				document.all.id.style.display = 'block';
			} else {
				document.all.id.style.display = 'none';
			}
		}
	}
}

// Check all checkboxes again
function checkAll(which)
{
	var formulier = which.form;
	for ( var i = 0; i < formulier.length; i++ )
	{
		if ( formulier[i].type == 'checkbox' )
		{
			formulier[i].checked = true;
		}
	}
}