<combobox id="cmbx" name="cmbx" editable="true" unrestricted="true" size="30" onkeyup="zenPage.cmbxKeyPress(zenThis);"/>

Method cmbxKeyPress(cmbx) [ Language = javascript ]
{
	var input = cmbx.findElement('input');
	var substr = input.value;
	cmbx.resetOptions()
	var res = zenPage.GetCmbxList(cmbx,substr)
	if (res=='1')
	{
		cmbx.showDropdown()
	}
	else 
	{
		alert('Error')
	}
	return
}

Method GetCmbxList(pCmbx As %ZEN.Component.combobox, pSubStr As %String) as %String [ ZenMethod ]
{
	s SubStr = $zcvt(pSubStr,"U")
	s idx="" f {
		s idx=$o(^PILIGRIM("TEST","STREETS",idx))
		q:idx=""
		i $e(idx, 1 ,$l(SubStr))=SubStr
		{
			s pValue = ^PILIGRIM("TEST","STREETS",idx)
			s pText = idx
			s tOption = ##class(%ZEN.Auxiliary.option).%New()
			s tOption.value = pValue
			s tOption.text = pText
			d %page.%AddChild(tOption) 
			d pCmbx.options.Insert(tOption)
		}
	}
	q $$$OK
}