/**************************************************************************
** Copyright (c) 2000-2007 MassMedia Studios Pty Ltd.
** 68-72 Wentworth Ave, Surry Hills, NSW 2010, Australia.
** All rights reserved.
**
** This software is the confidential and proprietary information of 
** MassMedia Studios Pty Ltd. ("Confidential Information").  You shall not
** disclose such Confidential Information and shall use it only in
** accordance with the terms of the license agreement you entered into
** with MassMedia Studios Pty Ltd.
** ------------------------------------------------------------------------
** 
** Author: Helen Fu
** Release notes:
**
**************************************************************************/

/*-------------------------- BROWSER DETECTION --------------------------*/

function dom_browser() {
	// browser identification based on dom capabilities
	this.myNav = this.navigator;
	this.version = this.navigator.appVersion;
	this.name = this.navigator.appName;
	this.userAgt = this.navigator.userAgent;
	this.ns4 = (document.layers) ? true : false;
	this.ns6 = (this.navigator.userAgent.indexOf("Netscape6") != -1) ? true : false;
	this.dom = (document.getElementById) ? true : false;
	this.ie4 = (document.all) ? true : false;
	this.mac = (this.version.indexOf("Mac") != -1) ? true : false;
	this.ie = (this.version.indexOf("MSIE") != -1) ? true : false;
	this.windows = (this.version.indexOf("Windows") != -1) ? true : false;
	this.hasPlugins = (this.navigator.plugins) ? true : false;
	this.ie6 = (this.version.indexOf("MSIE") != -1 && this.version.indexOf("6") != -1) ? true : false; 
	
	this.ie55 = (this.version.indexOf("MSIE 5.5") != -1) ? true : false;
	this.ie5 = (this.version.indexOf("MSIE 5.01") != -1) ? true : false;
	this.ns = (this.userAgt.indexOf("Netscape") != -1) ? true : false;
	this.ff = (this.userAgt.indexOf("Firefox") != -1) ? true : false;
	this.safari = (this.userAgt.indexOf("Safari") != -1) ? true : false;
}

dom_browser();

/*-------------------------- website search --------------------------*/

// checks whether the search field has been completed, switch "search website" text in/out of field
function checkFld(myObj, mySwitch) {
    if (myObj != null && typeof(myObj) != "undefined") { // object exists..
        if (myObj.id.indexOf("queryText") != -1) { 
            switch (myObj.value) {
                case mySwitch:
                    myObj.value = "";
                    break;
                case "":
                    myObj.value = mySwitch;
                    break;
                default:
                    break;
            }
        } 
    }
}


/* increase/decrease font size */

var min=8;
var max=18;
function increaseFontSize() {
   var p = document.getElementsByTagName('div');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("px",""));
      } else {
         var s = 12;
      }
      if(s!=max) {
         s += 1;
      }
      p[i].style.fontSize = s+"px"
   }
}
function decreaseFontSize() {
   var p = document.getElementsByTagName('div');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("px",""));
      } else {
         var s = 12;
      }
      if(s!=min) {
         s -= 1;
      }
      p[i].style.fontSize = s+"px"
   }   
}