// initialize a new suggest component
var searchkeywordLookup = new Suggest()
searchkeywordLookup.minCharToStartSearch = 2
var oldAlert = window.alert

function getSuggestData(str) {	
	// which method to use
	var theMethod = "select"
	// saves the string inside the suggest object
	window[selectedSuggestObject.name].setSearchString(str)
	// init data to send so CF
	var theData = new Object()
	theData.impl_name = _impl_name
	theData.criteria = window[selectedSuggestObject.name].searchString
	// set loading image
	//DWRUtil.useLoadingImage(_webfolder + "gfx/ajax/loading5.gif")
	
	// send data to CF
	var theMethod = "select"
	window.alert = function(){return null;}; // disable alerts
	DWREngine._execute(_webfolder + "impls/" + _impl_name + "/framework/ajax/suggest.cfc", null, theMethod, theData, getSuggestDataResult)
}

// call back function
function getSuggestDataResult(r) {
	// show query div
	window[selectedSuggestObject.name].showQueryDiv(r, "id", "title", "type")
	//sDumper(selectedSuggestObject.cache)
	window.alert = oldAlert
}

function searchkeywordSelectionListener(result) {
	//this function to sets the hidden field with key value.
	document.forms["searchForm"].type.value = result.TYPE
	document.forms["searchForm"].criteria_id.value = result.KEY	
	document.forms["searchForm"].submit()
}

function submitOnEnter(e) { //e is event object passed from function invocation
	var characterCode; //literal character code will be stored in this variable
	
	if(e && e.which){ //if which property of event object is supported (NN4)
		e = e
		characterCode = e.which //character code is contained in NN4's which property
	}
	else{
		e = event
		characterCode = e.keyCode //character code is contained in IE's keyCode property
	}
	
	if(characterCode == 13){ //if generated character code is equal to ascii 13 (if enter key)
		document.forms["searchForm"].submit() //submit the form
	}
}

function initSearchSuggest() {
	// initialize lookup
	searchkeywordLookup.InitQueryCode("searchkeywordLookup", "searchkeyword")
	searchkeywordLookup.setSelectionListener(searchkeywordSelectionListener)
}

// validate searchForm
function checkSearchForm() {
	 var frm = document.forms["searchForm"]
 	if(frm.searchkeyword.value == "") {
	 	frm.criteria_id.value = ''
		alert("voer eerst een trefwoord in")		
		return false
	} else {
		return true
	}
}