/*
  This is the JavaScript file for the osCommerce AJAX Search Suggest
  
  You may use this code in your own projects as long as this 
  copyright is left	in place.  All code is provided AS-IS.
  This code is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  
  For the rest of this code visit http://www.osCommerce-SSL.com
  
  For a complete detailed tutorial on how this code works visit:
  http://www.dynamicajax.com/fr/AJAX_Suggest_Tutorial-271_290_312.html
  
  For more AJAX code and tutorials visit http://www.DynamicAJAX.com
  
  Copyright 2006 Ryan Smith / 345 Technical / 345 Group.	
  
*/
  
//Gets the browser specific XmlHttpRequest Object
function getXmlHttpRequestObject() {
  if (window.XMLHttpRequest) {
  	return new XMLHttpRequest();
  } else if(window.ActiveXObject) {
  	return new ActiveXObject("Microsoft.XMLHTTP");
  } else {
  	alert("Upps, ein Fehler ist aufgetreten!");
  }
}

//Our XmlHttpRequest object to get the auto suggest
var searchReq = getXmlHttpRequestObject();

//Called from keyup on the search textbox.
//Starts the AJAX request.
function searchSuggest() {
  if (searchReq.readyState == 4 || searchReq.readyState == 0) {
  	var str = escape(document.getElementById('keywords').value);
  	searchReq.open("GET", 'searchSuggest.php?search=' + str, true);
  	searchReq.onreadystatechange = handleSearchSuggest; 
  	searchReq.send(null);
  }		
}

//Called when the AJAX response is returned.
function handleSearchSuggest() {
  if (searchReq.readyState == 4) {
  	var ss = document.getElementById('search_suggest')
  	  	ss.className = "result";
  	ss.innerHTML = '';
  	var str = searchReq.responseText.split("\n");
  	for(i=0; i < str.length - 1; i++) {
  		//Build our element string.  This is cleaner using the DOM, but
  		//IE doesn't support dynamically added attributes.
  		var suggest = '<div onmouseover="javascript:suggestOver(this);" ';
  		suggest += 'onmouseout="javascript:suggestOut(this);" ';
  		suggest += 'onclick="javascript:setSearch(this.innerHTML);" ';
  		suggest += 'class="suggest_link">' + str[i] + '</div>';
  		ss.innerHTML += suggest;
  	}
  }
}

//Mouse over function
function suggestOver(div_value) {
  div_value.className = 'suggest_link_over';
}

//Mouse out function
function suggestOut(div_value) {
  div_value.className = 'suggest_link';
}

//Click function
function setSearch(value) {
  document.getElementById('keywords').value = value;
  document.getElementById('search_suggest').innerHTML = '';
}