function OpenPage(param, w, h){
	n=window.open(param,"welcome","menubar=none, scrollbars=yes, width="+w+", height="+h);
}

function toggle (param) {
	if (document.getElementById(param).style.display == 'none') document.getElementById(param).style.display = 'block';
	else document.getElementById(param).style.display = 'none';
}