// JavaScript Document

//Navigation
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
//----------------------------------------

/*-----------------------------------------------------------
    Toggles element's display value
    Input: any number of element id's
    Output: none 
    ---------------------------------------------------------*/
function toggleDisp() {
    for (var i=0;i<arguments.length;i++)
	{
        var d = $(arguments[i]);
        if (d.style.display == 'none')
            d.style.display = 'block';
        else
            d.style.display = 'none';
    }
}
/*-----------------------------------------------------------
    Toggles tabs - Closes any open tabs, and then opens current tab
    Input:     1.The number of the current tab
                    2.The number of tabs
                    3.(optional)The number of the tab to leave open
                    4.(optional)Pass in true or false whether or not to animate the open/close of the tabs
    Output: none 
    ---------------------------------------------------------*/
function toggleTab(num,numelems,opennum,animate)
{
    if ($('tabContent' + num).style.display == 'none')
	{
        for (var i=1;i<=numelems;i++)
		{
            if ((opennum == null) || (opennum != i))
			{
                var temph = 'tabHeader'+i;
                var h = $(temph);
                if (!h){
                    var h = $('tabHeaderActive');
                    h.id = temph;
                }
                var tempc = 'tabContent'+i;
                var c = $(tempc);
                if(c.style.display != 'none')
				{
                    if (animate || typeof animate == 'undefined')
                        Effect.toggle(tempc,'blind',{duration:0.5, queue:{scope:'menus', limit: 3}});
                    else
                        toggleDisp(tempc);
                }
            }
        }
        var h = $('tabHeader'+num);
        if (h)
            h.id = 'tabHeaderActive';
        h.blur();
        var c = $('tabContent'+num);
        c.style.marginTop = '2px';
        if (animate || typeof animate == 'undefined')
		{
            Effect.toggle('tabContent'+num,'blind',{duration:0.5, queue:{scope:'menus', position:'end', limit: 3}});
        }
		else
		{
            toggleDisp('tabContent'+num);
        }
    }
}

//Home Slideshoq
loopMe = null;
rotating = false;

function setPageClassName(e)
{		
	var evt = window.event || e;
	var page = $(evt).srcElement || evt.target;
	
	if(evt.type=='mouseout' && $(page).hasClassName('down')==false){
		$(page).removeClassName('over');
	}
	if(evt.type=='mouseover' && $(page).hasClassName('down')==false){
		$(page).addClassName('over');
	}
	if(evt.type=='click' && rotating==false){
		$$('#HomeHeader .homePage').each(function(item){
			$(item).removeClassName('down');
			$(item).removeClassName('over');
		});
		$(page).addClassName('down');
		
		//get the page we want to show!
		$$('#HomeHeader .homeGroup').each(function(item){
			item.setStyle({display:'none'});
		});
		//set the appropriate group to visible
		index = Number($(page).innerHTML) - 1;
		
		//show the correct image
		$A($$('#HomeHeader .homeGroup'))[index].setStyle({display:'block'});
		
		if(!Object.isUndefined(loopMe)){
			clearTimeout(loopMe);
		}
		
	}
}

function beginRotation()
{				
	loopMe = setTimeout('homeRotation()',4000);	
}

function homeRotation(){

	clearTimeout(loopMe);

	current  = 0;
	arrGroup = $A($$('#HomeHeader .homeGroup'));
	arrPage  = $A($$('#HomeHeader .homePage'));
	//get the current group
	arrGroup.each(function(item,index){
		if(item.style.display == 'block'){
			current = index
		}
	});
	
	//check the number of groups we have...
	count = arrGroup.length;
	
	//get the next group to show
	if(current < count-1){
		next = current + 1;
	} else {
		next = 0;
	}
	
	arrGroup = $A($$('#HomeHeader .homeGroup'))
	objCurrent 	= arrGroup[current];
	objNext 	= arrGroup[next];
	
	new Effect.Parallel([
		new Effect.Fade(objCurrent,{}),
		new Effect.Appear(objNext,{
			beforeStart:function(){
				rotating = true;
				arrPage[current].removeClassName('down');
			},
			afterFinish:function(){
				rotating = false;
				objCurrent.style.display='none'
				objNext.style.display='block'
				arrPage[next].addClassName('down');					
				loopMe = setTimeout('homeRotation()',7000);
			}
		})
	]);
}

//Function to switch story when the user hovers over a href item within going-racing.asp
function getRacingInformation(id)
{
	var chopID;
	
	//Don't display the div is of display type "show"
	$$('div.answer').each(function(item)
	{
		item.hide();
	});	
	
	chopID = Right(id, id.length - 3);
	
	$('Div' + chopID).show();
}

function Right(str, n)
{
    if (n <= 0)
	{
       return "";
	}
	else if (n > String(str).length)
	{
	   return str;
	}
	else
	{
       var iLen = String(str).length;
       return String(str).substring(iLen, iLen - n);
    }
}