function move(fbox, tbox) 
{
	var arrFbox = new Array();
	var arrTbox = new Array();
	var arrLookup = new Array();
	var i;

	for (i = 0; i < tbox.options.length; i++)
	{
		arrLookup[tbox.options[i].text] = tbox.options[i].value;
		arrTbox[i] = tbox.options[i].text;
	}

	var fLength = 0;
	var tLength = arrTbox.length;

	for(i = 0; i < fbox.options.length; i++)
	{
		arrLookup[fbox.options[i].text] = fbox.options[i].value;
		if (fbox.options[i].selected && fbox.options[i].value != "")
		{
			arrTbox[tLength] = fbox.options[i].text;
			tLength++;
		}
		else
		{
			arrFbox[fLength] = fbox.options[i].text;
			fLength++;
		}
	}
	
	fbox.length = 0;
	tbox.length = 0;
	var c;
	
	for(c = 0; c < arrFbox.length; c++)
	{
		var no = new Option();
		no.value = arrLookup[arrFbox[c]];
		no.text = arrFbox[c];
		fbox[c] = no;
	}
	
	for(c = 0; c < arrTbox.length; c++) 
	{
		var no = new Option();
		no.value = arrLookup[arrTbox[c]];
		no.text = arrTbox[c];
		tbox[c] = no;
	}
}