function swap(on,off) {
	document.getElementById(on).style.display='block';
	document.getElementById(off).style.display='none';
}

function Trim(str)	{
	return str.replace(/^(\s+)?(.*\S)(\s+)?$/, '$2');
}

function radio_toggle(formName,whichElement,val) {
	var dsf=eval("document." + formName + "." + whichElement);
	dsf[val].checked=true;
	return;
}