function popUp(file,width,height,top,left){
	popup=window.open(file,"popUp","width=" + width + ",height=" + height + ",resizable=no,scrollbars=no,top=" + top + ",left=" + left);
	popup.focus();
}

function show(id) {
	document.getElementById(id).style.display="block";
}

function hide(id) {
	document.getElementById(id).style.display="none";
}