function show(lay) {
    	var el;
		el = document.getElementById(lay);
		el.style.visibility = 'visible';
        //document.all[object].style.visibility = 'visible';
}

function hide(lay) {
  		var el;
		el = document.getElementById(lay);
		el.style.visibility = 'hidden'; 
        //document.all[object].style.visibility = 'hidden';
}
function showit(lay) {
	
		var el;
		el = document.getElementById(lay);
		el.style.display = 'block';
	
	
}


function hideit(lay) {
	
		var el;
		el = document.getElementById(lay);
		el.style.display = 'none';
	
	
}