/*Example message arrays for the two demo scrollers*/
var pausecontent=new Array()
pausecontent[0]='<strong>Welkom op de site!</strong>'
pausecontent[1]='Kom gerust een keer langs in <br /><a id="a_scroller" href="'+_VHEVH_URL+'de_winkel/">de winkel</a>.'
pausecontent[2]='Wij zijn ook op donderdagavond geopend.'
pausecontent[3]='We hebben ook een afhaal mogelijkheid in Soest zodat u uw bestelling daar kunt ophalen als dat dichter bij u in de buurt is.'

//new pausescroller(name_of_message_array, CSS_ID, CSS_classname, pause_in_miliseconds)
/******************************************************************************************************************************/

function pausescroller(content, divId, divClass, delay){
	this.content=content; 				//message array content
	this.tickerid=divId; 				//ID of ticker div to display information
	this.delay=delay; 					//Delay between msg change, in miliseconds.
	this.mouseoverBol=0; 				//Boolean to indicate whether mouse is currently over scroller (and pause it if it is)
	this.hiddendivpointer=1; 			//index of message array for hidden div
	document.write('<div id="'+divId+'" class="'+divClass+'" style="position:relative; overflow:hidden">'+
	'<div class="innerDiv" style="position:absolute; width:100%" id="'+divId+'1">'+content[0]+'</div>'+
	'<div class="innerDiv" style="position:absolute; width:100%; visibility:hidden" id="'+divId+'2">'+content[1]+'</div>'+
	'</div>');
	var scrollerinstance=this;
	if (window.addEventListener){ 		//run onload in DOM2 browsers
		window.addEventListener("load", function(){scrollerinstance.initialize()}, false);
	}
	else if (window.attachEvent){ 		//run onload in IE5.5+
		window.attachEvent("onload", function(){scrollerinstance.initialize()});
	}
	else if (document.getElementById){ 	//if legacy DOM browsers, just start scroller after 0.5 sec
		setTimeout(function(){scrollerinstance.initialize()}, 500);
	}
}

// -------------------------------------------------------------------
// initialize()- Initialize scroller method.
// -Get div objects, set initial positions, start up down animation
// -------------------------------------------------------------------

pausescroller.prototype.initialize=function(){
	this.tickerdiv=document.getElementById(this.tickerid);
	this.visiblediv=document.getElementById(this.tickerid+"1");
	this.hiddendiv=document.getElementById(this.tickerid+"2");
	this.visibledivtop=parseInt(pausescroller.getCSSpadding(this.tickerdiv));
	//set width of inner DIVs to outer DIV's width minus padding (padding assumed to be top padding x 2)
	this.visiblediv.style.width=this.hiddendiv.style.width=this.tickerdiv.offsetWidth-(this.visibledivtop*2)+"px";
	this.getinline(this.visiblediv, this.hiddendiv);
	this.hiddendiv.style.visibility="visible";
	var scrollerinstance=this;
	document.getElementById(this.tickerid).onmouseover=function(){scrollerinstance.mouseoverBol=1};
	document.getElementById(this.tickerid).onmouseout=function(){scrollerinstance.mouseoverBol=0};
	if (window.attachEvent){ //Clean up loose references in IE
		window.attachEvent("onunload", function(){scrollerinstance.tickerdiv.onmouseover=scrollerinstance.tickerdiv.onmouseout=null});
	}
	setTimeout(function(){scrollerinstance.animateup()}, this.delay);
}


// -------------------------------------------------------------------
// animateup()- Move the two inner divs of the scroller up and in sync
// -------------------------------------------------------------------

pausescroller.prototype.animateup=function(){
	var scrollerinstance=this;
	if (parseInt(this.hiddendiv.style.top)>(this.visibledivtop+5)){
		this.visiblediv.style.top=parseInt(this.visiblediv.style.top)-5+"px";
		this.hiddendiv.style.top=parseInt(this.hiddendiv.style.top)-5+"px";
		setTimeout(function(){scrollerinstance.animateup()}, 50);
	}
	else{
		this.getinline(this.hiddendiv, this.visiblediv);
		this.swapdivs();
		setTimeout(function(){scrollerinstance.setmessage()}, this.delay);
	}
}

// -------------------------------------------------------------------
// swapdivs()- Swap between which is the visible and which is the hidden div
// -------------------------------------------------------------------

pausescroller.prototype.swapdivs=function(){
	var tempcontainer=this.visiblediv;
	this.visiblediv=this.hiddendiv;
	this.hiddendiv=tempcontainer;
}

pausescroller.prototype.getinline=function(div1, div2){
	div1.style.top=this.visibledivtop+"px";
	div2.style.top=Math.max(div1.parentNode.offsetHeight, div1.offsetHeight)+"px";
}

// -------------------------------------------------------------------
// setmessage()- Populate the hidden div with the next message before it's visible
// -------------------------------------------------------------------

pausescroller.prototype.setmessage=function(){
	var scrollerinstance=this
	if (this.mouseoverBol==1){ //if mouse is currently over scoller, do nothing (pause it)
		setTimeout(function(){scrollerinstance.setmessage()}, 100);
	}
	else{
		var i=this.hiddendivpointer;
		var ceiling=this.content.length;
		this.hiddendivpointer=(i+1>ceiling-1)? 0 : i+1;
		this.hiddendiv.innerHTML=this.content[this.hiddendivpointer];
		this.animateup();
	}
}

pausescroller.getCSSpadding=function(tickerobj){ //get CSS padding value, if any
	if (tickerobj.currentStyle){
		return tickerobj.currentStyle["paddingTop"];
	}
	else if (window.getComputedStyle){ //if DOM2
		return window.getComputedStyle(tickerobj, "").getPropertyValue("padding-top");
	}
	else{
		return 0;
	}
}