function addLoadEvent(func) 
{
  var oldonload = window.onload;
  if (typeof window.onload != 'function') 
  {
    window.onload = func;
  } 
  else 
  {
    window.onload = function() 
    {
      if (oldonload) 
      {
        oldonload();
      }
      func();
    }
  }
}

function launchLogo()
{
    //putting this here to simplify the add load event on homepage
    setTimeout("objFlashLogo.write('flash_logo_animated')",3000);
    setTimeout("resetLogo()",5500);
}

function resetLogo()
{
    //this needs to happen because flash logo overlays active elements below the header and renders them unreachable by mouse in some browsers
    //there was no way to put these elements over the flash but under the dropdown navs while also keeping flash over the background image of the header across all browsers
    //so flash movie is replaced by image and containing div is shrunk to reveal elements
    strImage="<a href=\"http://www.g4tv.com/\"><img src='http://cache.g4tv.com/images/2007/home/logo_static_4.gif' border='0' class='g4_static_logo' alt='G4' title='G4' /></a>";
    document.getElementById('flash_logo_animated').innerHTML=strImage;
    if(navigator.userAgent.indexOf("Macintosh")>-1 && navigator.userAgent.indexOf("Firefox")>-1)
    {
        document.getElementById("flash_logo_animated").style.zIndex = 'auto';
    }
}


function openPile(videoKey) {
    var params = '';
    
    if (videoKey != null)
        params = '?fromPilePlayer=true&video_key=' + videoKey;
        
    
        //new video detail page
            var url = 'http://www.g4tv.com/video_detail.aspx' + params;
            location.href = url;
    
    
    
    return;
}

function openPileTab(categoryKey) {
    var params = '';
    
    if (categoryKey != null)
        params = '?fromPilePlayer=true&category_key=' + categoryKey;
        
     
        //new video detail page
            var url = 'http://www.g4tv.com/video_detail.aspx' + params;
            location.href = url;
    
     
    return;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
    
function playsound(SoundFileUrl) {
    new Insertion.Bottom(document.body, "<embed src='"+SoundFileUrl+"' hidden=true autostart=true loop=false>")
    Log("/playsound/" + SoundFileUrl);
    return false;
    
}

function preloadsound(SoundFileUrl) {
    new Insertion.Bottom(document.body, "<embed src='"+SoundFileUrl+"' hidden=true autostart=false loop=false>");
    return false;
}

function Log(strPath)
{
    if(typeof urchinTracker != "undefined")
    {
        urchinTracker("/events" + strPath);
    }
}

function FlashLink(strEventPath, strURL)
{
    urchinTracker(strEventPath);
    location.href = strURL;
}

function toggleClass(strDiv,strClass)
 {  
    document.getElementById(strDiv).className = strClass; 
 }
 
 function toggleClass2(strDiv,strClass1,strClass2)
 {  
    objDiv = document.getElementById(strDiv);
    //debugAlert(objDiv.className,strClass1,strClass2);
    if(objDiv.className != strClass1)
    {
        objDiv.className = strClass1; 
    }
    else
    {
        objDiv.className = strClass2; 
    }
    
 }
 
 function toggleDisplay(strId)
 {
    theItem = document.getElementById(strId);
    if(theItem.style.display == "none")
    {
        theItem.style.display = "block";
    }
    else
    {
        theItem.style.display = "none";
    }  
 }
 
 

function ClearTextFeild(objField, strClear)
{
    if (objField.value == strClear)
    {
        objField.value = '';
    }
}

var arrBg = new Array(4);
    arrBg[1] = "#969696";
    arrBg[2] = "#65675c";
    arrBg[3] = "#5c5c5c";
    arrBg[4] = "#273514";
//    arrBg[5] = "#ffc71e";
random_bg = (Math.floor(Math.random()*4))+1; 


function RandomizeBackground()
{ 
    document.getElementById("outer_container").style.backgroundColor = arrBg[random_bg];
    //document.getElementById("outer_container").style.backgroundImage = "url(http://cache.g4tv.com/images/2007/header_3tier/body_bg_" + random_bg + "_126.jpg)";
}

function Randomize2007()
{
    document.getElementById("outer_container").style.backgroundColor = arrBg[random_bg];
    //document.getElementById("outer_container").style.backgroundImage = "url(http://cache.g4tv.com/images/2007/header_3tier/body_bg_" + random_bg + "_137.jpg)";

}

function SetBackground(bg)
{
    if(bg != undefined) {
        random_bg = 4;
        document.getElementById("outer_container").style.backgroundColor = arrBg[random_bg];
        //document.getElementById("outer_container").style.backgroundImage = "url(http://cache.g4tv.com/images/2007/header_3tier/body_bg_" + random_bg + "_126.jpg)";
    }
}

function RandomizeHome()
{
    document.getElementsByTagName("body")[0].style.backgroundColor = arrBg[random_bg];
    
   // document.getElementById("dervish").src = "http://cache.g4tv.com/images/2007/header_3tier/body_bg_" + random_bg + "_h1.jpg";
    
    //prompt('',document.getElementById("dervish").src);
}

// global variables
var phoenixBase = "http://www.g4tv.com/"
var applicationPath = "/";
var imageURL = "http://cache.g4tv.com/images/";
var mediaURL = "http://media.g4tv.com/";

function hidePlayer()
{
    if(navigator.userAgent.indexOf('Safari') < 0)
    {
        ctlPlayer = document.getElementById('VideoPlayer');
        if(ctlPlayer)
        {
            ctlPlayer.style.visibility='hidden';
        }
    }
}

function URLEncode(plaintext)
{
	// The Javascript escape and unescape functions do not correspond
	// with what browsers actually do...
	var SAFECHARS = "0123456789" +					// Numeric
					"ABCDEFGHIJKLMNOPQRSTUVWXYZ" +	// Alphabetic
					"abcdefghijklmnopqrstuvwxyz" +
					"-_.!~*'()";					// RFC2396 Mark characters
	var HEX = "0123456789ABCDEF";

	var encoded = "";
	for (var i = 0; i < plaintext.length; i++ ) {
		var ch = plaintext.charAt(i);
	    if (ch == " ") {
		    encoded += "+";				// x-www-urlencoded, rather than %20
		} else if (SAFECHARS.indexOf(ch) != -1) {
		    encoded += ch;
		} else {
		    var charCode = ch.charCodeAt(0);
			if (charCode > 255) {
			    alert( "Unicode Character '" 
                        + ch 
                        + "' cannot be encoded using standard URL encoding.\n" +
				          "(URL encoding only supports 8-bit characters.)\n" +
						  "A space (+) will be substituted." );
				encoded += "+";
			} else {
				encoded += "%";
				encoded += HEX.charAt((charCode >> 4) & 0xF);
				encoded += HEX.charAt(charCode & 0xF);
			}
		}
	} // for

	return encoded;
}

function showPlayer()
{
    if(navigator.userAgent.indexOf('Safari') < 0)
    {
        ctlPlayer = document.getElementById('VideoPlayer');
        if(ctlPlayer)
        {
            ctlPlayer.style.visibility='visible';
        }
    }
}

function debugAlert()
{
    var strAlert="";
    for (var iii = 0; iii < debugAlert.arguments.length; iii++)
    {
        if(debugAlert.arguments[iii] != null)
        {
            strAlert += debugAlert.arguments[iii] + "\n";
        }
    }
    alert(strAlert);
}


function nullFunc()
{
    //this is for a null submit function in the poll voting control
}


function divOn(divName)
{
    thediv = document.getElementById(divName);
    //alert(thediv);
    thediv.style.display="block";
}

function divOff(divName)
{
    thediv = document.getElementById(divName);
    //alert(thediv);
    thediv.style.display="none";
}

function readCookie(name) 
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

var ListGridButtonIds;

function AddLGButtonId(theID)
{
    if(ListGridButtonIds)
    {
        ListGridButtonIds += "," + theID;
        //debugAlert('2nd or more', theID, ListGridButtonIds);
    }
    else
    {
        ListGridButtonIds = theID;
        //debugAlert('1stTime', theID, ListGridButtonIds);
    }
}

function flipView(listID,gridID,listPath,gridPath,listSearchLabelID,gridSearchLabelID)
{
    objList = document.getElementById(listID);
    objGrid = document.getElementById(gridID);
    
   
    if(objList.style.display=="block")
    {
        objList.style.display="none";
        objGrid.style.display="block";
        document.cookie = 'list_preference=grid; expires=Fri, 3 Aug 2037 20:47:11 UTC; path=/'
        arrIDs = ListGridButtonIds.split(",");
        for(iii = 0; iii < arrIDs.length; iii++)
        {
            document.getElementById(arrIDs[iii]).src = gridPath;
        }
        
        if (typeof(listSearchLabelID) != 'undefined' && typeof(gridSearchLabelID) != 'undefined') {
            document.getElementById(listSearchLabelID).style.display = "none";
            document.getElementById(gridSearchLabelID).style.display = "block";
        } 
    }
    else
    {
        objList.style.display="block";
        objGrid.style.display="none";
        document.cookie = 'list_preference=list; expires=Fri, 3 Aug 2037 20:47:11 UTC; path=/'
        arrIDs = ListGridButtonIds.split(",");
        for(iii = 0; iii < arrIDs.length; iii++)
        {
            document.getElementById(arrIDs[iii]).src = listPath;
        }

        
 
        if (typeof(listSearchLabelID) != 'undefined' && typeof(gridSearchLabelID) != 'undefined') {
           document.getElementById(listSearchLabelID).style.display = "block";
            document.getElementById(gridSearchLabelID).style.display = "none";
        }
 
        
    }
    
    //prompt('',document.cookie);
}



function dummyLink()
{
    //just set your href to javascript:dummyLink() and watch nothing happen at all! hurray!!
    //replaces # and javascript:void(0)
}

function sddOn(ctlUl)
{
    hidePlayer();
    ctlUl.className += ' ulHover'
}

function sddOff(ulID)
{
    ctlUl = document.getElementById(ulID);
    showPlayer();
    ctlUl.className = ctlUl.className.replace(new RegExp(' ulHover\\b'), '');
}

function QMPDetect()
{
    if(MN.QMPInstall.InstallRequired())
	{
	    urchinTracker('/events/moveplugin/no');
	}
	else
	{
	    urchinTracker('/events/moveplugin/yes');
	}
}

String.prototype.format = function()
{
    var str = this;

    for(var i=0;i<arguments.length;i++)
    {
        var re = new RegExp('\\{' + (i) + '\\}','gm');
        str = str.replace(re, arguments[i]);
    }

    return str;
}

function swapText(theID, theText)
{
    document.getElementById(theID).innerHTML = theText;
}


var parseAjaxResponse = function(t)
{
   var objResponse = eval('(' + t.responseText + ')');
   //alert(objResponse);
   if(objResponse.length > 0)
   {
        objResponse.each(function(objItem) 
        {
            theDiv = document.getElementById(objItem.DivID);
            theDiv.innerHTML = objItem.HTML;    
            //debugAlert(objItem.DivID, theDiv, objItem.HTML);
         })
   }
}

var errFunc = function(t)
{
    //
}


function addToQueryString(strUrl, strName, strValue)
{
    if (strUrl.indexOf("?")<0)
    {
        //alert('non querystring')
        strUrl += "?" + strName + "=" + strValue;
    }
    else
    {
        //alert('has querystring')
        testNV = strName + "=";
        strQ = strUrl.substring(strUrl.indexOf("?") + 1, strUrl.length);
        if(strQ.indexOf("&") < 0)
        {
            //alert('has one name value')
            //only one name value pair in querystring
            if(strQ.indexOf(testNV) > -1)
            {
                //alert('is existing name value')
                //just replace existing
                strQ = "?" + strName + "=" + strValue;
            }
            else
            {
                //alert('is not existing name value')
                strQ = "?" + strQ + "&" + strName + "=" + strValue;
            }
        }
        else
        {
            //handle multiple name value pairs
            //alert('is multiples')
            foundit=false;
            arrNV = strQ.split("&");
            for (iii = 0; iii < arrNV.length; iii++)
            {
                if(arrNV[iii].indexOf(testNV) < 0)
                {
                    //alert('is not existing name value')
                    if(iii==0)
                    {
                        strQ = "?" + arrNV[iii];
                    }
                    else
                    {
                        strQ += "&" + arrNV[iii];
                    }   
                }
                else
                {
                    //alert('is existing name value');
                    foundit = true;
                    if(iii==0)
                    {
                       strQ = "?" + strName + "=" + strValue;
                    }
                    else
                    {
                        strQ += "&" + strName + "=" + strValue;
                    } 
                }
            }
            if(!foundit)
            {
                strQ += "&" + strName + "=" + strValue;
            }
        }
        strUrl = strUrl.substring(0, strUrl.indexOf("?")) + strQ;
    }
    return strUrl;
}



/* Client-side access to querystring name=value pairs
	Version 1.3
	28 May 2008
	
	License (Simplified BSD):
	http://adamv.com/dev/javascript/qslicense.txt
*/
function Querystring(qs) { // optionally pass a querystring to parse
	this.params = {};
	
	if (qs == null) qs = location.search.substring(1, location.search.length);
	if (qs.length == 0) return;

// Turn <plus> back to <space>
// See: http://www.w3.org/TR/REC-html40/interact/forms.html#h-17.13.4.1
	qs = qs.replace(/\+/g, ' ');
	var args = qs.split('&'); // parse out name/value pairs separated via &
	
// split out each name=value pair
	for (var i = 0; i < args.length; i++) {
		var pair = args[i].split('=');
		var name = decodeURIComponent(pair[0]);
		
		var value = (pair.length==2)
			? decodeURIComponent(pair[1])
			: name;
		
		this.params[name] = value;
	}
}

Querystring.prototype.get = function(key, default_) {
	var value = this.params[key];
	return (value != null) ? value : default_;
}

Querystring.prototype.contains = function(key) {
	var value = this.params[key];
	return (value != null);
}

function validateEmail(email) 
{
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   if(reg.test(email) == false) 
   {
      return false;
   }
   else
   {
      return true;
   }
   
}