/********************************************************************************************
* BielTender; This file is part of the reverse auction system.
* NOTE: This file cannot be used without author permission
*
* @copyright www.bielsystems.com.br
* @author    Rafael Lima <rafael [dot] lima [at] bielsystems [dot] com [dot] br>
*/

// Browser Detect  v2.1.6
// documentation: http://www.dithered.com/javascript/browser_detect/index.html
// license: http://creativecommons.org/licenses/by/1.0/
// code by Chris Nott (chris[at]dithered[dot]com)
function BrowserDetect() {
   var ua = navigator.userAgent.toLowerCase(); 

   // browser engine name
   this.isGecko       = (ua.indexOf('gecko') != -1 && ua.indexOf('safari') == -1);
   this.isAppleWebKit = (ua.indexOf('applewebkit') != -1);

   // browser name
   this.isKonqueror   = (ua.indexOf('konqueror') != -1); 
   this.isSafari      = (ua.indexOf('safari') != - 1);
   this.isOmniweb     = (ua.indexOf('omniweb') != - 1);
   this.isOpera       = (ua.indexOf('opera') != -1); 
   this.isIcab        = (ua.indexOf('icab') != -1); 
   this.isAol         = (ua.indexOf('aol') != -1); 
   this.isIE          = (ua.indexOf('msie') != -1 && !this.isOpera && (ua.indexOf('webtv') == -1) ); 
   this.isMozilla     = (this.isGecko && ua.indexOf('gecko/') + 14 == ua.length);
   this.isFirebird    = (ua.indexOf('firebird/') != -1);
   this.isNS          = ( (this.isGecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && !this.isOpera && !this.isSafari && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1) ) );
   
   // spoofing and compatible browsers
   this.isIECompatible = ( (ua.indexOf('msie') != -1) && !this.isIE);
   this.isNSCompatible = ( (ua.indexOf('mozilla') != -1) && !this.isNS && !this.isMozilla);
   
   // rendering engine versions
   this.geckoVersion = ( (this.isGecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );
   this.equivalentMozilla = ( (this.isGecko) ? parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) ) : -1 );
   this.appleWebKitVersion = ( (this.isAppleWebKit) ? parseFloat( ua.substring( ua.indexOf('applewebkit/') + 12) ) : -1 );
   
   // browser version
   this.versionMinor = parseFloat(navigator.appVersion); 
   
   // correct version number
   if (this.isGecko && !this.isMozilla) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('/', ua.indexOf('gecko/') + 6) + 1 ) );
   }
   else if (this.isMozilla) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) );
   }
   else if (this.isIE && this.versionMinor >= 4) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
   }
   else if (this.isKonqueror) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('konqueror/') + 10 ) );
   }
   else if (this.isSafari) {
      this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('safari/') + 7 ) );
   }
   else if (this.isOmniweb) {
      this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('omniweb/') + 8 ) );
   }
   else if (this.isOpera) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera') + 6 ) );
   }
   else if (this.isIcab) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab') + 5 ) );
   }
   
   this.versionMajor = parseInt(this.versionMinor); 
   
   // dom support
   this.isDOM1 = (document.getElementById);
   this.isDOM2Event = (document.addEventListener && document.removeEventListener);
   
   // css compatibility mode
   this.mode = document.compatMode ? document.compatMode : 'BackCompat';

   // platform
   this.isWin    = (ua.indexOf('win') != -1);
   this.isWin32  = (this.isWin && ( ua.indexOf('95') != -1 || ua.indexOf('98') != -1 || ua.indexOf('nt') != -1 || ua.indexOf('win32') != -1 || ua.indexOf('32bit') != -1 || ua.indexOf('xp') != -1) );
   this.isMac    = (ua.indexOf('mac') != -1);
   this.isUnix   = (ua.indexOf('unix') != -1 || ua.indexOf('sunos') != -1 || ua.indexOf('bsd') != -1 || ua.indexOf('x11') != -1)
   this.isLinux  = (ua.indexOf('linux') != -1);
   
   // specific browser shortcuts
   this.isNS4x = (this.isNS && this.versionMajor == 4);
   this.isNS40x = (this.isNS4x && this.versionMinor < 4.5);
   this.isNS47x = (this.isNS4x && this.versionMinor >= 4.7);
   this.isNS4up = (this.isNS && this.versionMinor >= 4);
   this.isNS6x = (this.isNS && this.versionMajor == 6);
   this.isNS6up = (this.isNS && this.versionMajor >= 6);
   this.isNS7x = (this.isNS && this.versionMajor == 7);
   this.isNS7up = (this.isNS && this.versionMajor >= 7);
   
   this.isIE4x = (this.isIE && this.versionMajor == 4);
   this.isIE4up = (this.isIE && this.versionMajor >= 4);
   this.isIE5x = (this.isIE && this.versionMajor == 5);
   this.isIE55 = (this.isIE && this.versionMinor == 5.5);
   this.isIE5up = (this.isIE && this.versionMajor >= 5);
   this.isIE6x = (this.isIE && this.versionMajor == 6);
   this.isIE6up = (this.isIE && this.versionMajor >= 6);
   
   this.isIE4xMac = (this.isIE4x && this.isMac);
}
var browser = new BrowserDetect();

function getRef(obj)
{
	return (typeof obj == "string") ? (browser.isIE ? document.all[obj] : document.getElementById(obj)) : obj;
}

function getScrollX()
{
	var x = window.pageXOffset ||
			document.body.scrollLeft ||
			document.documentElement.scrollLeft;

	return x ? x : 0;
}

function getScrollY()
{
	var x = window.pageYOffset ||
			document.body.scrollTop ||
			document.documentElement.scrollTop;

	return x ? x : 0;
}

function getClientWidth()
{
	var x = window.innerWidth ||
			document.documentElement.clientWidth ||
			document.body.clientWidth;

	return x ? x : 0;
}

function getClientHeight()
{
	var x = window.innerHeight ||
			document.documentElement.clientHeight ||
			document.body.clientHeight;


	return x ? x : 0;
}

function getScreenWidth()
{
	var x = screen.width ||
		java.awt.Toolkit.getDefaultToolkit().getScreenSize().width;

	return x ? x : 0;
}

function getScreenHeight()
{
	var x = screen.height ||
		java.awt.Toolkit.getDefaultToolkit().getScreenSize().height;

	return x ? x : 0;
}

function setWidth(obj, x)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
	obj.style ? obj.style.width = x + "px" : obj.width = x;
}

function setHeight(obj, x)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
	obj.style ? obj.style.height = x + "px" : obj.height = x;
}

function setTop(obj, x)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
	obj.style ? obj.style.top = x + "px" : obj.top = x;
}

function setLeft(obj, x)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
	obj.style ? obj.style.left = x + "px" : obj.left = x;
}

function getWidth(obj)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
	var x = obj.style?obj.style.width:obj.width;

	return x ? x : 0;
}

function getHeight(obj)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
	var x = obj.style?obj.style.height:obj.height;

	return x ? x : 0;
}

function getTop(obj)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
//  var x = obj.style?obj.style.top:obj.top;

	if (browser.isIE)
	{
		var x = 0;
		elt = obj;
		while (elt != null) {
			x += elt["offsetTop"];
			elt = elt.offsetParent;
		}
	}
//	else var x = obj.offsetTop;
	else var x = obj.style?obj.style.top:obj.top;

	return x ? x : 0;
}

function getLeft(obj)
{
  obj = (typeof obj == "string") ? getRef(obj) : obj;
//  var x = obj.style?obj.style.left:obj.left;
	if (browser.isIE)
	{
		var x = 0;
		elt = obj;
		while (elt != null) {
			x += elt["offsetLeft"];
			elt = elt.offsetParent;
		}
	}
//	else var x = obj.offsetLeft;
	else var x = obj.style?obj.style.left:obj.left;


  return x ? x : 0;
}

function getOffsetTop(obj)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
//  var x = obj.style?obj.style.top:obj.top;

	if (browser.isIE)
	{
		var x = 0;
		elt = obj;
		while (elt != null) {
			x += elt["offsetTop"];
			elt = elt.offsetParent;
		}
	}
	else var x = obj.offsetTop;

	return x ? x : 0;
}

function getOffsetLeft(obj)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
//  var x = obj.style?obj.style.left:obj.left;

	if (browser.isIE)
	{
		var x = 0;
		elt = obj;
		while (elt != null) {
			x += elt["offsetLeft"];
			elt = elt.offsetParent;
		}
	}
	else var x = obj.offsetLeft;

	return x ? x : 0;
}

function isVisible(obj)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
	return 'none' != obj.style.display && undefined != obj.style.display && 'undefined' != obj.style.display && '' != obj.style.display;
}

function getDisplay(obj, display_type)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
	return obj.style.display;
}

function setDisplay(obj, display_type)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
	if((browser.isIE && 'none' != display_type) || ('undefined' == display_type || undefined == display_type)) display_type = 'block';
	obj.style.display = display_type;
}

function changeDisplay(obj, display_type)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
	if((browser.isIE && 'none' != display_type) || ('undefined' == display_type || undefined == display_type)) display_type = 'block';
	(obj.style.display == 'none' || obj.style.display == '') ? obj.style.display = display_type : obj.style.display = 'none';
}

function changeSelected(obj, bool_type)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
	if( undefined == bool_type || 'undefined' == bool_type) bool_type = true;
	obj.selected = bool_type;
}

function changeChecked(obj, bool_type)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
	if( undefined == bool_type || 'undefined' == bool_type) bool_type = true;
	obj.checked = bool_type;
}

function setVisibility(obj, display_type)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
	if((browser.isIE && 'hidden' != display_type) || ('undefined' == display_type || undefined == display_type)) display_type = 'visible';
	obj.style.visibility = display_type;
}

function getVisibility(obj)
{
	obj = (typeof obj == "string") ? getRef(obj) : obj;
	return obj.style.visibility;
}

function getMouseX(e)
{
	if (!browser.isIE) document.captureEvents(Event.MOUSEMOVE);

	x = (browser.isIE) ? event.clientX + document.body.scrollLeft : e.pageX;

	return 0<x ? x : 0;
}
window.getMouseLeft = window.getMouseX;

function getMouseY(e)
{
	if (!browser.isIE) document.captureEvents(Event.MOUSEMOVE);

	x = (browser.isIE) ? event.clientY + document.body.scrollTop : e.pageY;

	return 0<x ? x : 0;
}
window.getMouseTop = window.getMouseY;