function changeHidden()
{
	var searchtxt = "";
	if(document.getElementById('selectBox01').value != "")
	{
		searchtxt += " " + document.getElementById('selectBox01').value;
	}
	if(document.getElementById('selectBox02').value != "")
	{
		searchtxt += " " + document.getElementById('selectBox02').value;
	}
	if(document.getElementById('selectBox03').value != "")
	{
		searchtxt += " " + document.getElementById('selectBox03').value;
	}
//	alert(searchtxt);
	if(document.getElementById('searchQuery'))
	{
		document.getElementById('searchQuery').value = searchtxt;
	}
}