function insert_flash(name,url,width,height,param)
{
	document.write('<object name="'+name+'" id="'+name+'" type="application/x-shockwave-flash" data="'+url+'" width="'+width+'" height="'+height+'"><param name="movie" value="'+url+'" />'+param+'</object>');
}

function checkNum(evt) {
	var charCode = (evt.which != undefined) ? evt.which : evt.keyCode;
	return (charCode <= 31 || (charCode >= 48 && charCode <= 57));
}