// JavaScript Document

//===================================================================================
//Jump out from outer Frame 
if (!FrameAllowed){
	if (top.location != self.location) {
		top.location = self.location
	}
}
//===================================================================================

//===================================================================================
//Common functions
//===================================================================================
/*************************************
Description:	verify News letter sign up
Author:			Joshua Chen
Date:			2004/10/15
Parameters:		f	(form name)
return:			boolean
*************************************/
function verifyNewsletterSingup(f)
{
    var msg;
    var empty_fields = "";
    var errors = "";
    var error_msg = "";
			
	f = eval('document.' + f);
			
	if ((f.LoginName.value == null) || (f.LoginName.value == "") || isblank(f.LoginName.value))
	{
		error_msg = "- Your email field is empty";
        empty_fields += "\n      " + error_msg;		                
    }
				    
				    
    else if (f.LoginName.value.indexOf("@")==-1)
    {
		error_msg = "- Your email address is invalid";
        empty_fields += "\n      " + error_msg;		                
    }
				    
    if ((!f.Promotions.checked) && (!f.Newsletter.checked))    
    {
		error_msg = "- You didn't specify your desired newsletter option(s).";
        empty_fields += "\n      " + error_msg;					
    }
				          
    if (!empty_fields && !errors) 
    {
		return true;
	}
    msg  = "______________________________________________________\n\n"
    msg += "Your request cannot continue because of the following error(s).\n";
    msg += "Please correct these error(s) and re-submit:\n";
    msg += "______________________________________________________\n"

    if (empty_fields) {
        msg += empty_fields + "\n";
    }
    alert(msg);
    return false;
}

// Commom popup window function
function PopupWin(vName,vLink,vWidth,vHeight,vLeft,vTop,vScrollbar,vResizable)
{
	var para = '';
	if(vWidth!=0)
	{para += ',width=' + vWidth;}
				
	if(vHeight!=0)
	{para += ',height=' + vHeight;}
				
	if(vLeft!=0)
	{para += ',left=' + vLeft;}
				
	if(vTop!=0)
	{para += ',top=' + vTop;}
				
	if(vScrollbar!=0)
	{para += ',scrollbars=' + vScrollbar;}
				
	if(vResizable!=0)
	{para += ',resizable=' + vResizable;}

	javascript:window.open(vLink ,vName,'toolbar=0,menubar=0,location=0,directories=0,status=0' + para)
}

function isblank(s)
{
	for(var i = 0; i < s.length; i++) {
		var c = s.charAt(i);
		if ((c != ' ')&&(c != '\n')&&(c != '\t')) return false;
	}
	return true;
}

/*************************************
Description:	go search, submit form
Author:			Joshua Chen
Date:			2004/04/14
Parameters:		sFormName,iLenth
*************************************/
function goSearch(sFormName,iLength)
{
	var objForm;
	objForm = eval('document.' + sFormName);
	if (iLength >= 1)
	{	
		objForm.submit();
	}
}

/*************************************
Description:	Expand Menu, change element's style.
Parameters:		item	(item id)
Author:			Joshua Chen
Date:			2004/04/14		
*************************************/
function ExpandItem(item)
{
	obj = document.getElementById(item);
	visible = (obj.style.display != 'none');
	key = document.getElementById('x' + item);

	if (visible)
	{
		obj.style.display = 'none';
 		key.style.fontWeight = 'normal';
	}
	else
	{
		obj.style.display = 'block';
		key.style.fontWeight = 'bold';
	}
}
//===================================================================================



//===================================================================================
//Rollover menu functions
//===================================================================================
var LAST_SIZE = 0;
var LAST_LEVEL = 0;
var PRODUCT_CELL_ID = 0;
var CLIENT_BROWSER_ID = 0;
var IFRAME_SUPPORT = false;
var DEBUG_MODE = false;

/*************************************
Description:	Javascript Settings Initialization
Parameters:		1). DebugModeID		int
				2). BrowserID		int
				3). IFrameSupportID	int	
				4). ProductCellID	int
				
Author:			Joshua Chen
Date:			2004/07/14		
*************************************/
function JS_Initialize(DebugModeID, BrowserID, IFrameSupportID, ProductCellID){
	if (IFrameSupportID == 1){IFRAME_SUPPORT = true;}
	if (DebugModeID == 1){DEBUG_MODE = true;}
	CLIENT_BROWSER_ID = BrowserID;
	PRODUCT_CELL_ID = ProductCellID;
		
	switch (BrowserID)
	{
		case 1:
			window.onload = RolloverMenuRunning;
			var pID = window.setInterval("AutoFontSizeForIE()", 200);  
			break;
		case 2:
			window.onload = AutoWidthProductCell;
			var pID = window.setInterval("AutoFontSizeForFF()", 200);  
			break;
		default:	
	}
	window.onresize = AutoWidthProductCell;
}

/*************************************
Description:	Rollover Menu Running
Author:			Joshua Chen
Date:			2004/07/14		
*************************************/
RolloverMenuRunning = function(){
	if (document.all && document.getElementById){
		if (document.getElementById("nav")){
			var navRoot = document.getElementById("nav");
			var node;		
			for (i=0; i<navRoot.childNodes.length; i++){
				node = navRoot.childNodes[i];
				node.onmouseover = function() {		
					for (var j=0; j<this.childNodes.length; j++){
						if (this.childNodes[j].nodeName == "UL"){												
							this.childNodes[j].className += " over";
							if (IFRAME_SUPPORT && this.childNodes[j].childNodes[0].style.width == "0px" && this.childNodes[j].childNodes[0].style.height == "0px"){
								var menuWidth = this.childNodes[j].offsetWidth;
								var menuHeight = this.childNodes[j].offsetHeight;
								if (typeof(menuWidth) == "number" && typeof(menuHeight) == "number"){
									this.childNodes[j].childNodes[0].style.width = menuWidth;
									this.childNodes[j].childNodes[0].style.height = menuHeight;
								}
							}
						break;
						}
					}						
				}
				node.onmouseout = function(){
					for (var j=0; j<this.childNodes.length; j++){
						if (this.childNodes[j].nodeName == "UL"){			
							this.childNodes[j].className = this.childNodes[j].className.replace(" over", "");
						break;
						}
					}				
				}
			}
		}
		
		if (document.getElementById("navSpecial")){
			node = document.getElementById("navSpecial");
			node.onmouseover = function(){
				for (var j=0; j<this.childNodes.length; j++){
					if (this.childNodes[j].nodeName == "UL"){
						this.childNodes[j].className += " over";
						if (IFRAME_SUPPORT && this.childNodes[j].childNodes[0].style.width == "0px" && this.childNodes[j].childNodes[0].style.height == "0px"){
							var menuWidth = this.childNodes[j].offsetWidth;
							var menuHeight = this.childNodes[j].offsetHeight;
							if (typeof(menuWidth) == "number" && typeof(menuHeight) == "number"){
								this.childNodes[j].childNodes[0].style.width = menuWidth;
								this.childNodes[j].childNodes[0].style.height = menuHeight;
							}
						}					
						break;
					}
				}
			}
			node.onmouseout = function(){
				for (var j=0; j<this.childNodes.length; j++){										
					if (this.childNodes[j].nodeName == "UL"){					
						this.childNodes[j].className = this.childNodes[j].className.replace(" over", "");					
						break;
					}
				}					
			}
		}
	}
}

/*************************************
Description:	Set Style
Author:			Joshua Chen
Date:			2004/07/14		
*************************************/
function SetStyle(id,css,type)
{
	if (!document.getElementById(id)){return;}
	switch (type){
		case 0:
			document.getElementById(id).className = css;			
			break;
			
		case 1:
			document.getElementById(id).className += " "+css;			
			break;
			
		default:
			break;
	}	
}

/*************************************
Description:	Clear Style
Author:			Joshua Chen
Date:			2004/07/14		
*************************************/
function ClearStyle(id,css,type)
{
	if (!document.getElementById(id)){return;}
	switch (type){
		case 0:
			document.getElementById(id).className = "";			
			break;
			
		case 1:
			document.getElementById(id).className = document.getElementById(id).className.replace(" "+css,"");
			break;
			
		default:
			break;
	}
	
}

/*************************************
Description:	Auto Change Firefox,Mozilla,Opera,NetScape Font Size
Author:			Joshua Chen
Date:			2004/07/14		
*************************************/
function AutoFontSizeForFF(){
	var dBody = document.defaultView.getComputedStyle(document.body,null);
	var dSize = dBody.getPropertyValue("font-size");	
	dSize = parseInt(dSize.replace("/[^\d]/",""));
	if (dSize == LAST_SIZE){return;}
	
	if (dSize > 16){
		if (dSize < 24){
			SetStyle("TopNavigation","FontSizeLarger",0);
			SetStyle("leftNav","FontSizeLarger",0);
			SetStyle("Search-6","FontSizeLarger",0);			
			SetStyle("centerArea","FontSizeLarger",0);
			SetStyle("prdTopNav","prdTopNavSize1",0);
						
		}else{
			SetStyle("TopNavigation","FontSizeLargest",0);
			SetStyle("leftNav","FontSizeLargest",0);
			SetStyle("Search-6","FontSizeLargest",0)						
			SetStyle("centerArea","FontSizeLargest",0);			
			SetStyle("prdTopNav","prdTopNavSize1",0);					
		}
	}else{
		ClearStyle("TopNavigation","",0);	
		ClearStyle("leftNav","",0);	
		ClearStyle("Search-6","",0);	
		ClearStyle("centerArea","",0);	
		ClearStyle("prdTopNav","",0);
	}
	
	if (document.getElementById("BigFontWarring")){
		if (dSize > 24){
			document.getElementById("BigFontWarring").style.display = "block";
		}else{
			document.getElementById("BigFontWarring").style.display = "none";
		}	
	}		
	LAST_SIZE = dSize;
	AutoWidthProductCell();
}

/*************************************
Description:	Auto Change IE Font Size
Author:			Joshua Chen
Date:			2004/07/14		
*************************************/
function AutoFontSizeForIE(){		
	if (!window.readyState == "complete"){return;}	
	if (!document.getElementById("IEFontCheck")){return;}	
	var dSize = document.getElementById("IEFontCheck").offsetWidth;
	var action = 1;
	if (dSize == LAST_SIZE){return;}		

	if (dSize <= 8){
		action = 1;
	}else if(dSize <= 10){
		action = 2;
	}
	else{
		action = 3;
	}
	SetActivedCSS(action);
	LAST_SIZE = dSize;
	AutoWidthProductCell();
}

/********************************************
Description:	Auto Width Homepage Store Product Cell
Author:			Joshua Chen
Date:			2005/03/10	
*******************************************/
AutoWidthProductCell = function(){
	switch (PRODUCT_CELL_ID){
		case 1: //Homepage Store Except DVD Store
			if (!document.getElementById("centerArea")){return;}
			if (!document.getElementById("HomepagePrd")){return;}
			var allW = document.getElementById("centerArea").offsetWidth;	
			var itemCount = document.getElementById("HomepagePrd").className;
			var itemEnd = itemCount.indexOf(" ");	
			if (itemEnd == -1){itemEnd = itemCount.length;}
			itemCount = parseInt(itemCount.substring(4,itemEnd));	
			allW = parseInt(allW);	
			if (allW < 464){allW = 464;}	
			var sCount = parseInt(allW / 232);	
			if (sCount > 4){sCount = 4;}	
			if (sCount > itemCount){sCount = itemCount;}
			var sPd = parseInt((allW - (232 * sCount)) / (sCount+sCount));
			var hps;
			sPd = sPd +"px";	
			for (var i=1;i<=itemCount;i++){
				if (document.getElementById("Section"+i)){
					hps = document.getElementById("Section"+i);
					hps.style.posTop = "0px";
					hps.style.paddingLeft = 0;
					hps.style.paddingRight = 0;
					hps.style.paddingLeft = sPd;			
					if ((i / sCount).toString().indexOf(".") == -1){
						hps.className = "SectionRt";
					}else{
						hps.className = "Section";
						hps.style.paddingRight = sPd;
					}
				}	
			}			
			break;

		case 2: //DVD Store
			var itemCount = new Array(3);
			var itemName = new Array(3);
			itemName[0] = "ne";
			itemName[1] = "ns";
			itemName[2] = "cs";
			var bHaveDvd = false;
			var tmpItemCount;
			if (!document.getElementById("centerArea")){return;}
			if (document.getElementById("neDVDPrd")){
				tmpItemCount = document.getElementById("neDVDPrd").className;
				itemCount[0] = parseInt(tmpItemCount.substring(4,tmpItemCount.length));
				bHaveDvd = true;
			}
			if (document.getElementById("nsDVDPrd")){
				tmpItemCount = document.getElementById("nsDVDPrd").className;
				itemCount[1] = parseInt(tmpItemCount.substring(4,tmpItemCount.length));
				bHaveDvd = true;
			}
			if (document.getElementById("csDVDPrd")){
				tmpItemCount = document.getElementById("csDVDPrd").className;
				itemCount[2] = parseInt(tmpItemCount.substring(4,tmpItemCount.length));
				bHaveDvd = true;
			}
			if (!bHaveDvd){return;}
				
			var allW = document.getElementById("centerArea").offsetWidth;	
			allW = parseInt(allW);	
			
			if (allW < 464){allW = 464;}	
			var sCount = parseInt(allW / 232);
			if (sCount > 4){sCount = 4;}
			var tmpsCount;
			for (var i=0;i<itemCount.length;i++){
				if (tmpsCount < itemCount[i]){tmpsCount = itemCount[i];}
			}
			if (sCount > tmpsCount){sCount = tmpsCount;}	
			var sPd = parseInt((allW - (232 * sCount)) / (2*sCount));	
			var hps;
			sPd = sPd +"px";	
			for (var j=0;j<itemCount.length;j++){
				for (var i=1;i<=itemCount[j];i++){	
					if (document.getElementById("Section"+itemName[j]+i)){
						hps = document.getElementById("Section"+itemName[j]+i);
						hps.style.posTop = "0px";
						hps.style.paddingLeft = sPd;	
						hps.style.paddingRight = 0;					
						if ((i / sCount).toString().indexOf(".") == -1){
							hps.className = "SectionRt";
						}else{
							hps.className = "Section";
							hps.style.paddingRight = sPd;
						}
					}	
				}
			}
			break;
			
		default:
			break;	
	}
}

//===================================================================================
//Base functions
//===================================================================================
//Request.Cookies
Request = function(){}
Request.Cookies = function(name,key){
	try
	{
		Array.prototype.Request = null;
		var rv = null;
		//Init all cookies collection		
		var c = window.document.cookie;				
		if (c.length == 0){return rv;}
		var cc = c.split("; ");	
		var al = cc.length;
		var nb = -1;
		var cn = "";
		var cv = "";
		//Get cookie value by name
		if (name != null && name.length > 0){
			var cre = eval("/^"+ name +"$/i;");
			for (var i=0; i<al; i++){
				nb = cc[i].indexOf("=");
				if (nb != -1){
					cn = cc[i].substring(0,nb);
					cv = cc[i].substring(nb+1);
					if (Request.Cookies.Corrector(cn).match(cre) != null){
						//Get cookie value by name.key
						if(key != null && key.length > 0){
							if (cv.length > 0 && cv.indexOf("=") != -1){
								var kc = cv.split("&");
								var kl = kc.length;
								var kb = -1;
								var kre = eval("/^"+ key +"$/i;");
								//Loop cookie sub key value
								for (var j=0; j<kc.length; j++){
									kb = kc[j].indexOf("=");
									if (kb != -1){										
										if (Request.Cookies.Corrector(kc[j].substring(0,kb)).match (kre) != null){
											rv = Request.Cookies.Corrector(kc[j].substring(kb+1));
											break;
										}										 
									}
								}							
							}
						}else{
							if (cv.length > 0 && cv.indexOf("=") != -1){
								rv = cv;
							}else{
								rv = Request.Cookies.Corrector(cv);
							}
						}
						break;
					}
				}
			}		
		}else{//Get all cookies			
			var ac = new Array(al*2);
			ac.Request = "Aggregate";
			//Loop cookie value
			for (var i=0; i<al; i++){
				nb = cc[i].indexOf("=");
				if (nb != -1){
					cn = cc[i].substring(0,nb);
					cv = cc[i].substring(nb+1);
					ac[i] = Request.Cookies.Corrector(cn);
					if (cv.length > 0 && cv.indexOf("=") != -1){
						var kc = cv.split("&");
						var kl = kc.length;
						var ak = new Array(kl*2);						
						ak.Request = "Aggregate";
						var kb = -1;
						//Loop cookie sub key value
						for (var j=0; j<kc.length; j++){
							kb = kc[j].indexOf("=");
							if (kb != -1){
								ak[j] = Request.Cookies.Corrector(kc[j].substring(0,kb));
								ak[j+kl] = Request.Cookies.Corrector(kc[j].substring(kb+1));
							}
						}
						ac[i+al] = ak;
					}else{
						ac[i+al] = Request.Cookies.Corrector(cv);
					}
				}else{
					ac[i] = Request.Cookies.Corrector(cc[i]);
					ac[i+al] = null;
				}
			}
			rv = ac;
		}
				
		return rv;
	}
	catch(e)
	{
		if (DEBUG_MODE){
			throw e;
		}else{
			return null;
		}
	}
}
Request.Cookies.Corrector = function(v){
	if (v.length > 0){
		v = v.replace(/\+/g," ");
	}
	return unescape(v);
}