/* Adjust the height of the iFrame for the left column */
function init()
	{
		f = document.getElementById('left_column_iframe');
		f.style.height = f.contentWindow.document.body.scrollHeight + "px";
		t = document.getElementById('tools_iframe');
		t.style.height = t.contentWindow.document.body.scrollHeight + "px";
		loadSubNav();
	}

/* Trick to make css navigation work in IE6 */
sfHover = function() {
	var sfEls = document.getElementById("flex_navigation").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}

function loadSubNav()
	{
		setNavLists();
		var arrSubNav = subNavList.split(",");
		var arrBnaNav = bnaNavList.split(",");
		for(var i in arrSubNav)
			ajaxCall("http://www.drsofer.com/subnav.cfm?pid="+arrSubNav[i], document.getElementById('subnav_'+arrSubNav[i]));
		for(var j in arrBnaNav) {}
			ajaxCall("http://www.drsofer.com/bnanav.cfm?pid="+arrBnaNav[j],document.getElementById('bnanav_'+arrBnaNav[j]));
	}

if (window.attachEvent) window.attachEvent("onload", sfHover);

/*
Filename: \pro\website\admin\js\ajax.js
Programmer: Carlos Vazquez (carlos@mojointeractive.com)
Date: 3/1/2006
Purpose: A Collection of javscript functions that are usefull when using AJAX. Includes XML functions.
Document Location: \Design\PRO\documents\PRO - Javascript - AJAX\PRO - Javascript - AJAX - Design And Architecture.doc
*/

/* Performs a check for browser type */
var xmlhttp=false;
var AJAXReturnText = '';
var AJAXReturnXML = '';
var isIE = false;

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

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

if (!xmlhttp && window.createRequest) {
	try {
		xmlhttp = window.createRequest();
	} catch (e) {
		xmlhttp=false;
	}
}
// End XML Init

// Check if DOMParser exists and define it if it doesn't. May not exist in IE
if (typeof DOMParser == "undefined") {
   DOMParser = function () {}

   DOMParser.prototype.parseFromString = function (str, contentType) {
	 if (typeof ActiveXObject != "undefined") {
	    var d = new ActiveXObject("MSXML.DomDocument");
	    d.loadXML(str);
	    return d;
	 } else if (typeof XMLHttpRequest != "undefined") {
	    var req = new XMLHttpRequest;
	    req.open("GET", "data:" + (contentType || "application/xml") +
					";charset=utf-8," + encodeURIComponent(str), false);
	    if (req.overrideMimeType) {
		  req.overrideMimeType(contentType);
	    }
	    req.send(null);
	    return req.responseXML;
	 }
   }
}



function AJAXInteraction(url, callback) {

    var req = ajaxinit();
    req.onreadystatechange = processRequest;
        
    function ajaxinit() {
      if (window.XMLHttpRequest) {
        return new XMLHttpRequest();
      } else if (window.ActiveXObject) {
        return new ActiveXObject("Microsoft.XMLHTTP");
      }
    }
    
    function processRequest () {
      if (req.readyState == 4) {
        if (req.status == 200) {
          if (callback) callback(req.responseText);
        }
      }
    }

    this.doGet = function() {
      req.open("GET", url, true);
      req.send(null);
    }
}

function ajaxCall(myURL, targetObject) {
  var ai = new AJAXInteraction(myURL, function(myResponse) { targetObject.innerHTML = myResponse});
  ai.doGet();
}