/*
	TABS
*/
var woeTabs;


if(typeof defaultHomeLeagueID == "undefined") defaultHomeLeagueID=0;
if(typeof defaultHomeTabID == "undefined") defaultHomeTabID=0;

if(typeof getHomeStandData == "undefined") getHomeStandData=false;
if(typeof homeStandAjaxUrl == "undefined") homeStandAjaxUrl="";




Event.observe(window, 'load', initWoeTabs, false);

function initWoeTabs()
{
	woeTabs=new Tabs();	 
	
	woeTabs.homeStandCompetitieID=defaultHomeLeagueID;  
	woeTabs.homeStandTabID=defaultHomeTabID;  
	
	if(getHomeStandData==true)
	{
		if(homeStandAjaxUrl!="")
		{
			woeTabs.homeStandAjaxUrl=homeStandAjaxUrl;
			woeTabs.homeStandWeek=getWeekNr();
			woeTabs.tabCallbackFunction("home_stand",woeTabs.homeStandTabID);
		}
		
	}	
}



function updateHomeStandWeek(newWeek)
{
	woeTabs.homeStandWeek=newWeek;
	woeTabs.updateHomeTab();
}




function getWeekNr()
{
	var today = new Date();
	Year = takeYear(today);
	Month = today.getMonth();
	Day = today.getDate();
	now = Date.UTC(Year,Month,Day+1,0,0,0);
	var Firstday = new Date();
	Firstday.setYear(Year);
	Firstday.setMonth(0);
	Firstday.setDate(1);
	then = Date.UTC(Year,0,1,0,0,0);
	var Compensation = Firstday.getDay();
	if (Compensation > 3) Compensation -= 4;
	else Compensation += 3;
	NumberOfWeek =  Math.round((((now-then)/86400000)+Compensation)/7);
	return NumberOfWeek;
}

function takeYear(theDate)
{
	x = theDate.getYear();
	var y = x % 100;
	y += (y < 38) ? 2000 : 1900;
	return y;
}






function Tabs()
{
	this.id=-1;
	this.parentDiv="";
	this.parentEl=null;
	this.functionName="";
	this.currentTab="";
	
	//this.homeStandCompetitieID=0;
	/*
	this.homeStandCompetitieID=0;
	this.homeStandTabID=0;
	*/
	
}


// main callback function from the flash tabs
Tabs.prototype.tabCallbackFunction=function(functionname,id)
{
	this.parentDiv="";
	this.functionName="";
	if(typeof functionname == "string")
	{
		if(typeof id =="number")
		{
			this.id=parseInt(id);
			this.functionName=functionname;
			this.parentDiv="tabs_"+this.functionName;
			
			try{
				switch(functionname)
				{
					case "clubstand" :
					{
						this.clubstand();
						break;
					}
					
					case "competitie" :
					{
						this.competitie();
						break;
					}
					
					case "speler" :
					{
						this.speler();
						break;
					}
					
					case "home_stand" :
					{
						this.home_stand();
						break;
					}					
					
					
					case "quiz" :
					{
						this.quiz();
						break;
					}
					
					case "abonnement" :
					{
						this.abonnement();
						break;
					}
					
					case "interactief" :
					{	
						this.interactief();
					}
					
					case "shop" :
					{	
						this.shop();
					}					
					
				}	
			} catch (e)
			{
				
			}
			
		}	
	}
}

/* -------------------------------------------------- */
// tab functions
/* -------------------------------------------------- */

Tabs.prototype.home_stand_debug=function()
{
	alert("homeStandTabID = " + this.homeStandTabID + "\n" + "homeStandCompetitieID = " + this.homeStandCompetitieID);	
}

Tabs.prototype.updateHomeStandCompetitie=function(id)
{
	if(typeof id == "number")
	{
		this.homeStandCompetitieID=id;	
	}
	
	//this.home_stand_debug();
	this.updateHomeTab();
}

Tabs.prototype.updateHomeTab=function(id)
{
	if(typeof id == "number")
	{
		this.homeStandTabID=id;	
	}
	
	//this.home_stand_debug();
	
	if(this.homeStandAjaxUrl!="")
	{
		new Ajax.Updater('home_ajax_content', this.homeStandAjaxUrl + 'dbid='+this.homeStandCompetitieID+'&typeofpage=84136&homeStandWeek=' + this.homeStandWeek + '&homeStandCompetitieID='+this.homeStandCompetitieID+'&homeStandTabID='+this.homeStandTabID, 
			{
			 parameters: { 
				 evalScripts: "true",
				 method: "get"
				}
			}
		);	
	}
}

Tabs.prototype.home_stand=function()
{
	if(typeof this.homeStandTabID == "undefined")
	{
		this.homeStandTabID=0;
	}
	
	if(typeof this.homeStandCompetitieID == "undefined")
	{
		this.homeStandCompetitieID=0;
	}
	
	if(typeof this.homeStandWeek == "undefined")
	{
		this.homeStandWeek=1;
	}	
	
	
	this.updateHomeTab(this.id);
}


Tabs.prototype.shop=function()
{
	this.toggle();
}



Tabs.prototype.interactief=function()
{
	this.toggle();
}


Tabs.prototype.abonnement=function()
{
	this.toggle();
}

Tabs.prototype.quiz=function()
{
	this.toggle();
}

Tabs.prototype.clubstand=function()
{
	this.toggle();
}

Tabs.prototype.competitie=function()
{
	this.toggle();
}

Tabs.prototype.speler=function()
{
	this.toggle();
}

/* -------------------------------------------------- */
// private functions
/* -------------------------------------------------- */


Tabs.prototype.toggle=function()
{
	if(this.parentEl=$(this.parentDiv))
	{
		var childs;
		if(childs=this.parentEl.immediateDescendants())
		{
			var targetDiv="tab_" + this.functionName + "_" + this.id;
			
			var targetDivEl=$(targetDiv);
			if(targetDivEl)
			{
				// clear the current tab
				this.switchCurrentTab(targetDiv);
				
				// hide the childs in the target div				
				childs.each(function(item)
					{
						item.style.display="none";					
					}
				);
				
				
				// display the div
				targetDivEl.style.display="block";
				
				// some gui effects ;-)
				//Effect.Appear(targetDiv, { duration: 0.5 });
			} else {
				this.currentTab="";
				//alert("3");
			}
		} else {
			//alert("2");
		}
	} else {
		//alert("1");
	}	
}


Tabs.prototype.switchCurrentTab=function(newTab)
{
	if(this.currentTab!="")
	{
		//Effect.Fade(this.currentTab, { duration: 0.5 });
		$(this.currentTab).style.display="none";
	}	
	
	this.currentTab=newTab;
}