// JavaScript Document
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];}}
}

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];}
}


var oldObject = null;
function swapForm(objectID){
     var object = document.getElementById
      (objectID);
     if (oldObject) oldObject.style.display = 'none';
     object.style.display = 'block';
     oldObject = object;
	
}
////////////////////////////////////////////

function lockForm ( form ) {    
    form.disability.disabled = true; 
    form.enableForm.disabled = false; 
    form.disableForm.disabled = true; 
} 
    
function unlockForm ( form ) { 
    form.disability.disabled = false; 
    form.enableForm.disabled = true; 
    form.disableForm.disabled = false; 
}

function init_dw_Scroll() {
    var wndo = new dw_scrollObj('wn', 'lyr1');
    wndo.setUpScrollControls('scrollLinks');
}

// if code supported, link in the style sheet and call the init function onload
if ( dw_scrollObj.isSupported() ) {
    //dw_writeStyleSheet('css/scroll.css');
    dw_Event.add( window, 'load', init_dw_Scroll);
}


var milliseconds = 6000;
var i=1;
var int;
var max=1;
function rotate(){
	(i>1)?document.getElementById(i-1).style.display = 'none':document.getElementById(max).style.display = 'none'
	if(i<=max)document.getElementById(i).style.display = 'block';
	i++;
	if(i>max)i=1;
};
function control(op){
	if(!op){
		document.getElementById('stop').style.display = 'none';
		document.getElementById('play').style.display = 'block';
		clearInterval(int);
	}
	else{
		document.getElementById('stop').style.display = 'block';
		document.getElementById('play').style.display = 'none';
		int = setInterval('rotate()', milliseconds);
	};
};
window.onload=function(){
	int = setInterval('rotate()', milliseconds);
};
// JavaScript Document

/**
 * Custom button state handler for enabling/disabling button state. 
 * Called when the carousel has determined that the previous button
 * state should be changed.
 * Specified to the carousel as the configuration
 * parameter: prevButtonStateHandler
 **/
var handlePrevButtonState = function(type, args) {

	var enabling = args[0];
	var leftImage = args[1];
	if(enabling) {
		leftImage.src = "images/previous.gif";	
	} else {
		leftImage.src = "images/previous_end.gif";	
	}
	
};

/**
 * Custom button state handler for enabling/disabling button state. 
 * Called when the carousel has determined that the next button
 * state should be changed.
 * Specified to the carousel as the configuration
 * parameter: nextButtonStateHandler
 **/
var handleNextButtonState = function(type, args) {

	var enabling = args[0];
	var rightImage = args[1];
	
	if(enabling) {
		rightImage.src = "images/next.gif";
	} else {
		rightImage.src = "images/next_end.gif";
	}
	
};


/**
 * You must create the carousel after the page is loaded since it is
 * dependent on an HTML element (in this case 'mycarousel'.) See the
 * HTML code below.
 **/
var carousel; // for ease of debugging; globals generally not a good idea
var pageLoad = function() 
{
	carousel = new YAHOO.extension.Carousel("mycarousel", 
		{
			numVisible:        1,
			animationSpeed:    0.60,
			scrollInc:         1,
			navMargin:         20,
			prevElement:     "prev-arrow",
			nextElement:     "next-arrow",
			size:              3,
			prevButtonStateHandler:   handlePrevButtonState,
			nextButtonStateHandler:   handleNextButtonState
		}
	);

};

YAHOO.util.Event.addListener(window, 'load', pageLoad);