// JavaScript Document
// Javasacript for the AJAX driven Directory Search

function setwidth()
{
	if (parseInt(navigator.appVersion)>3) {
	 if (navigator.appName=="Netscape") {
	  winW = window.innerWidth-16;
	  document.body.winwidthform.winwidth.value = winW;
	 }
	 if (navigator.appName.indexOf("Microsoft")!=-1) {
	  winW = document.body.offsetWidth-20;
	  document.body.winwidthform.winwidth.value = winW;
	 }
	}
}

// Here's the AJAX part of this web app. 
function showsearch()
{
	element = $('overlay');
	element2 = $('Search');
	Element.cleanWhitespace(element);
	Element.cleanWhitespace(element2);

	//element.style.height = 'auto';
	element.style.visibility = 'visible';
	element.style.height = document.documentElement.scrollHeight;
	element2.style.visibility = 'visible';
	document.directorysearch.locparams.focus();
}

function hidesearch()
{
	element = $('overlay');
	element2 = $('Search');
	Element.cleanWhitespace(element);
	Element.cleanWhitespace(element2);
	
	//element.style.height = 'auto';
	element.style.visibility = 'hidden';
	element2.style.visibility = 'hidden';
}

function memberSearch(e)
{
	var evtobj=window.event? event : e
	if (evtobj.altKey || evtobj.ctrlKey || evtobj.shiftKey)
	{
		//alert("you pressed one of the 'Alt', 'Ctrl', or 'Shift' keys");
	} else {
		locsearch=document.directorysearch.locparams.value;
		catsearch=document.directorysearch.catparams.value;
		keysearch=document.directorysearch.keyparams.value;
	
		if ((locsearch=="" || locsearch==",") && (catsearch=="" || catsearch==",") && (keysearch=="" || keysearch==",")) {
			elem("Alphabetical").innerHTML = "<h3 style='color:#cc0000;'>Business Listing Results</h3>"; //reset this area
			elem("Categorical").innerHTML = "<h3 style='color:#77aa00;'>Business Category Results</h3>"; //reset this area
		} else {
			//show the searching graphic for UI feedback
			//searching = $('searching');
			//Element.cleanWhitespace(searching);
			//searching.style.visibility = 'visible';
			// Run the search
			var editurl = "http://www.myprintedcoupons.com/php/ajaxsearch.php?param="; // The server-side script
			parameter = locsearch + "---" + catsearch + "---" + keysearch
			//alert("Parameter: " + parameter); //show me what record you want to send to get the info for
			http.open("GET", editurl + escape(parameter), true);
			http.onreadystatechange = handleHttpResponse;
			http.send(null);
		}
	}
}

function handleHttpResponse() {
	if (http.readyState == 4) 
	{
		// Split the comma delimited response into an array
    	results = http.responseText;
		//alert (results);
		data = http.responseText.split('/f/');
		//alert (data[0]); alert (data[1]);
		results = data[0].split('/r');
		//alert("Query Result: " + results[0]); // The result of the search query
		if (results[0]=="alphabetical") {
			if (results[1]=="None") {
				elem("Alphabetical").innerHTML = "<h3 style='color:#cc0000;'>Business Listing Results</h3><b>Business(es) not found! Please broaden your search.</b>"; //reset this area
			} else {
				elem("Alphabetical").innerHTML = "<h3 style='color:#cc0000;'>Business Listing Results</h3>"; //reset this area
				i=1;
				letter = '';
				while (results[i]!="") {
					if (results[i+1].charAt(0)!=letter) { 
						letter=results[i+1].charAt(0);
						elem("Alphabetical").innerHTML += "<big>"+letter+"</big><br />"; 
					}
					elem("Alphabetical").innerHTML += "<a href='/businesses/business.php?couponsbusinessid="+results[i]+"'><b>"+results[i+1]+"</b></a><br />";
					i++; i++;
					if (i>100) { 
						elem("Alphabetical").innerHTML += "<b>Too many results, please narrow your search.</b><br />";
						results[i]=""; 
					}
				}
			}
		}
		results = data[1].split('/r');
		
		if (results[0]=="categorical") {
			if (results[1]=="None") {
				elem("Categorical").innerHTML = "<h3 style='color:#77aa00;'>Business Category Results</h3><b>Categories not found! Please broaden your search.</b>"; //reset this area
			} else {
				elem("Categorical").innerHTML = "<h3 style='color:#77aa00;'>Business Category Results</h3>"; //reset this area
				i=1;
				cat = '';
				while (results[i]!="") {
					if (results[i+2]!=cat) { 
						cat=results[i+2];
						elem("Categorical").innerHTML += "<label>"+cat+"</label><br />"; 
					}
					elem("Categorical").innerHTML += "<a href='/businesses/business.php?couponsbusinessid="+results[i]+"'><b>"+results[i+1]+"</b></a><br />";
					i++; i++; i++;
					if (i>100) { 
						elem("Categorical").innerHTML += "<b>Too many results, please narrow your search.</b><br />";
						results[i]=""; 
					}
				}
			}
		}
		//hide the searching graphic for UI feedback
		//searching = $('searching');
		//Element.cleanWhitespace(searching);
		//searching.style.visibility = 'hidden';
  	}
}

function getHTTPObject() {
  var xmlhttp;

  try {
    xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  } catch (e) {
    try {
      xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    } catch (E) {
      xmlhttp = false;
    }
  }

  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }

  return xmlhttp;
}

var http = getHTTPObject(); // We create the HTTP Object

function elem(id)
{ // compat element grabber
        if(document.all) { return document.all(id); }
        else if (document.getElementById) { return document.getElementById(id); 
}
        return new Array(); // hides angry errors in buggy situations
}

function switchDiv(div_id)
{	
	var style_sheet = getStyleObject(div_id);
	if (style_sheet)
	{
   		hideAll();
		//shiftOpacity(div_id, 1000);
   		changeObjectVisibility(div_id, "visible");
	}
	else 
	{
   		alert("sorry, this only works in browsers that do Dynamic HTML");
	}
}
	
// function hideAll()
//  hides a bunch of divs
//
function hideAll()
{	
	//changeObjectVisibility("NewCustomer","hidden");
   	changeObjectVisibility("MainSearch","hidden");
	//changeObjectVisibility("Report","hidden");
	//changeObjectVisibility("New","hidden");
	//elem("NoteHistory").innerHTML = ""
   
  // changeObjectVisibility("assignee","hidden");
}

// function getStyleObject(string) -> returns style object
//  given a string containing the id of an object
//  the function returns the stylesheet of that object
//  or false if it can't find a stylesheet.  Handles
//  cross-browser compatibility issues.
//
function getStyleObject(objectId) {
  // checkW3C DOM, then MSIE 4, then NN 4.
  //
  if(document.getElementById && document.getElementById(objectId)) {
        return document.getElementById(objectId).style;
   }
   else if (document.all && document.all(objectId)) {  
        return document.all(objectId).style;
   } 
   else if (document.layers && document.layers[objectId]) { 
        return document.layers[objectId];
   } else {
        return false;
   }
}
	
function changeObjectVisibility(objectId, newVisibility) {
	// first get a reference to the cross-browser style object 
	// and make sure the object exists
	if (newVisibility=="visible") { 
		var styleObject = getStyleObject(objectId);
		if(styleObject) {
			styleObject.visibility = "visible";
			//opacity(objectId, 0, 100, 10);
			return true;
		} else {
			// we couldn't find the object, so we can't change its visibility
			return false;
		}
	}
	if (newVisibility=="hidden") { 
		var styleObject = getStyleObject(objectId);
		if(styleObject) {
			//opacity(objectId, 100, 0, 1000);
			styleObject.visibility = "hidden";
			return true;
		} else {
			// we couldn't find the object, so we can't change its visibility
			return false;
		}
	}
}

//*****************************************************************************
// Do not remove this notice.
//
// Copyright 2001 by Mike Hall.
// See http://www.brainjar.com for terms of use.
//*****************************************************************************

// Determine browser and version.

function Browser() {

  var ua, s, i;

  this.isIE    = false;
  this.isNS    = false;
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}

var browser = new Browser();

// Global object to hold drag information.

var dragObj = new Object();
dragObj.zIndex = 0;

function dragStart(event, id) {

  var el;
  var x, y;

  // If an element id was given, find it. Otherwise use the element being
  // clicked on.

  if (id)
    dragObj.elNode = document.getElementById(id);
  else {
    if (browser.isIE)
      dragObj.elNode = window.event.srcElement;
    if (browser.isNS)
      dragObj.elNode = event.target;

    // If this is a text node, use its parent element.

    if (dragObj.elNode.nodeType == 3)
      dragObj.elNode = dragObj.elNode.parentNode;
  }

  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Save starting positions of cursor and element.

  dragObj.cursorStartX = x;
  dragObj.cursorStartY = y;
  dragObj.elStartLeft  = parseInt(dragObj.elNode.style.left, 10);
  dragObj.elStartTop   = parseInt(dragObj.elNode.style.top,  10);

  if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = 0;
  if (isNaN(dragObj.elStartTop))  dragObj.elStartTop  = 0;

  // Update element's z-index.

  dragObj.elNode.style.zIndex = ++dragObj.zIndex;

  // Capture mousemove and mouseup events on the page.

  if (browser.isIE) {
    document.attachEvent("onmousemove", dragGo);
    document.attachEvent("onmouseup",   dragStop);
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS) {
    document.addEventListener("mousemove", dragGo,   true);
    document.addEventListener("mouseup",   dragStop, true);
    event.preventDefault();
  }
}

function dragGo(event) {

  var x, y;

  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Move drag element by the same amount the cursor has moved.

  dragObj.elNode.style.left = (dragObj.elStartLeft + x - dragObj.cursorStartX) + "px";
  dragObj.elNode.style.top  = (dragObj.elStartTop  + y - dragObj.cursorStartY) + "px";

  if (browser.isIE) {
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS)
    event.preventDefault();
}

function dragStop(event) {

  // Stop capturing mousemove and mouseup events.

  if (browser.isIE) {
    document.detachEvent("onmousemove", dragGo);
    document.detachEvent("onmouseup",   dragStop);
  }
  if (browser.isNS) {
    document.removeEventListener("mousemove", dragGo,   true);
    document.removeEventListener("mouseup",   dragStop, true);
  }
}
//*****************************************************************************
// End of the Drag Window Function Definitions
//
// Copyright 2001 by Mike Hall.
// See http://www.brainjar.com for terms of use.
//*****************************************************************************