// disable right-clicking 
//document.oncontextmenu = function() { return false; }

function clickButton(evt, buttonId)
{ 
    var key = getKeyboardKey(evt);
    
    if (key == 13)
    { 
        document.getElementById(buttonId).click(); 
        return false; 
    }      
}

function getKeyboardKey(evt)
{
    if (window.event)
        return window.event.keyCode;     //IE   
    return evt.which;                   //firefox
}

function brandSelected(obj)
{
    var option = obj.options[obj.selectedIndex];
    document.location.href = "/Manufacturer.aspx?mid=" + option.value + "&mn=" + option.text;
}

// in MainHeader.ascx
function search_onclick() 
{
    var param = document.getElementById("searchText").value;
    
    if (param != "")
        window.location.href = "/SearchProduct.ashx?q=" + Url.encode(param);
}  
   
function getQueryString() 
{
    var parms = window.location.search.substring(1).split('&');
    var qsParm = new Array();

    for (var i = 0; i<parms.length; i++) 
    {
        var pos = parms[i].indexOf('=');
        if (pos > 0) 
        {
            var key = parms[i].substring(0,pos);
            var val = parms[i].substring(pos+1);
            qsParm[key] = val;
        }
    }
    return qsParm;
} 
     
/**
*  URL encode / decode, http://www.webtoolkit.info/
**/
var Url = 
{
	// public method for url encoding
	encode : function (string) 
	{
		return escape(this._utf8_encode(string));
	},

	// public method for url decoding
	decode : function (string) 
	{
		return this._utf8_decode(unescape(string));
	},

	// private method for UTF-8 encoding
	_utf8_encode : function (string) 
	{
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) 
		{
			var c = string.charCodeAt(n);

			if (c < 128) 
			{
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) 
			{
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else 
			{
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}
		}

		return utftext;
	},

	// private method for UTF-8 decoding
	_utf8_decode : function (utftext) 
	{
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;

		while ( i < utftext.length ) 
		{
			c = utftext.charCodeAt(i);

			if (c < 128) 
			{
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) 
			{
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else 
			{
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}
		}

		return string;
	}
}


/**
 * COMMON DHTML FUNCTIONS
 * These are handy functions I use all the time.
 *
 * By Seth Banks (webmaster at subimage dot com)
 * http://www.subimage.com/
 *
 * Up to date code can be found at http://www.subimage.com/dhtml/
 *
 * This code is free for you to use anywhere, just keep this comment block.
 */

/**
 * X-browser event handler attachment and detachment
 * TH: Switched first true to false per http://www.onlinetools.org/articles/unobtrusivejavascript/chapter4.html
 *
 * @argument obj - the object to attach event to
 * @argument evType - name of the event - DONT ADD "on", pass only "mouseover", etc
 * @argument fn - function to call
 */
function addEvent(obj, evType, fn)
{	
 if (obj.addEventListener){
    obj.addEventListener(evType, fn, false);
    return true;
 } else if (obj.attachEvent){
    var r = obj.attachEvent("on"+evType, fn);
    return r;
 } else {
    return false;
 }
}
function removeEvent(obj, evType, fn, useCapture){
  if (obj.removeEventListener){
    obj.removeEventListener(evType, fn, useCapture);
    return true;
  } else if (obj.detachEvent){
    var r = obj.detachEvent("on"+evType, fn);
    return r;
  } else {
    alert("Handler could not be removed");
  }
}

/**
 * Code below taken from - http://www.evolt.org/article/document_body_doctype_switching_and_more/17/30655/
 *
 * Modified 4/22/04 to work with Opera/Moz (by webmaster at subimage dot com)
 *
 * Gets the full width/height because it's different for most browsers.
 */
function getViewportHeight() {
	if (window.innerHeight!=window.undefined) return window.innerHeight;
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientHeight;
	if (document.body) return document.body.clientHeight; 

	return window.undefined; 
}
function getViewportWidth() {
	var offset = 17;
	var width = null;
	if (window.innerWidth!=window.undefined) return window.innerWidth; 
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientWidth; 
	if (document.body) return document.body.clientWidth; 
}

/**
 * Gets the real scroll top
 */
function getScrollTop() {
	if (self.pageYOffset) // all except Explorer
	{
		return self.pageYOffset;
	}
	else if (document.documentElement && document.documentElement.scrollTop)
		// Explorer 6 Strict
	{
		return document.documentElement.scrollTop;
	}
	else if (document.body) // all other Explorers
	{
		return document.body.scrollTop;
	}
}
function getScrollLeft() {
	if (self.pageXOffset) // all except Explorer
	{
		return self.pageXOffset;
	}
	else if (document.documentElement && document.documentElement.scrollLeft)
		// Explorer 6 Strict
	{
		return document.documentElement.scrollLeft;
	}
	else if (document.body) // all other Explorers
	{
		return document.body.scrollLeft;
	}
}