function dropdown_copy(src, dest, val) {
	var dd_src = document.getElementById(src);
	var dd_dest = document.getElementById(dest);
	
	for(var i = 0; i < dd_src.options.length; i++) {
		dd_dest.options[dd_dest.options.length] = new Option(dd_src.options[i].text, dd_src.options[i].value, false, (dd_src.options[i].value == val))
	}
}