/*==================================================================*/
/* Pausing up-down scroller- © Dynamic Drive (www.dynamicdrive.com) */
/********************************************************************/
function pausescroller(content, divId, divClass, menuClass, pathimg, 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
var scrollerinstance=this;
document.write('<div id="'+divId+'" class="'+divClass+'" style="position: relative; overflow: hidden">\n');
document.write('<div id="'+divId+'1" class="innerDiv" style="top:0px; left:0px; position: absolute; width: 100%">'+content[0]+'</div>\n');
document.write('<div id="'+divId+'2" class="innerDiv" style="top:0px; left:0px; position: absolute; width: 100%; visibility:hidden">'+content[1]+'</div>\n');
document.write('<div id="'+divId+'3" class="'+menuClass+'" style="position: absolute; top:0px; left:0px; width:100%; visibility:hidden;">\n');
document.write('<span style="position:relative; top:-1px; margin-right:80px;"><em>Navigation dans les annonces</em></span>\n');
document.write('<a id="linkprev" style="position:relative; top:2px;" href="javascript:void(0)"><img src="'+pathimg+'small_previous.gif" border="0"></a>\n');
document.write('<span style="margin:10px">&nbsp;</span>\n');
document.write('<a id="linksuiv" style="position:relative; top:2px;" href="javascript:void(0)"><img src="'+pathimg+'small_next.gif" border="0"></a>\n');
document.write('<span style="margin:10px">&nbsp;</span></div>\n');
document.write('</div>\n');
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.hiddenmenu=document.getElementById(this.tickerid+"3")
this.visibledivtop=parseInt(this.getCSSpadding(this.tickerdiv,"Top"))
//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"
// set the absolute top position overflow tickerid
this.hiddenmenu.style.top=this.tickerdiv.offsetHeight+"px";
this.hiddenmenu.style.visibility='visible';
var scrollerinstance=this
document.getElementById(this.tickerid).onmouseover=function(){scrollerinstance.menu(1)}
document.getElementById(this.tickerid).onmouseout=function(){scrollerinstance.menu(0)}
document.getElementById('linksuiv').onclick=function(){scrollerinstance.nextmessage()}
document.getElementById('linkprev').onclick=function(){scrollerinstance.prevmessage()}
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"  MC  */
div2.style.top=Math.max(this.tickerdiv.offsetHeight, div1.offsetHeight)+"px"; /* MC  */
}

// -------------------------------------------------------------------
// 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.prototype.getCSSpadding=function(tickerobj, sidepadding){ //get CSS padding value, if any
if (tickerobj.currentStyle)
return tickerobj.currentStyle["padding"+sidepadding]
else if (window.getComputedStyle) //if DOM2
return window.getComputedStyle(tickerobj, "").getPropertyValue("padding-"+sidepadding.toLowerCase())
else
return 0
}

// -------------------------------------------------------------------
// menu - Menu surgissant MC
// -Get div objects, set initial positions, start up down animation
// -------------------------------------------------------------------
pausescroller.prototype.menu=function(fl){
this.mouseoverBol = fl;
var scrollerinstance=this;
if (fl == 1) {
	if (this.inter) clearInterval(this.inter);
	this.inter = setInterval(function(){scrollerinstance.menuslide(-1)}, 5)
	}
else {
	if (this.inter) clearInterval(this.inter);
	this.inter = setInterval(function(){scrollerinstance.menuslide(1)}, 5)
	}
}

pausescroller.prototype.menuslide=function(sens){
var divtop = parseInt(this.hiddenmenu.style.top);
//alert("Sens="+sens+" divtop="+divtop);
var scrollerinstance=this;
if (sens < 0) {
	if (divtop > (this.tickerdiv.offsetHeight-parseInt(this.getCSSpadding(this.tickerdiv,"Bottom")))+1) {
		divtop -=1;
		this.hiddenmenu.style.top = divtop+"px";
		}
	}
else {
	if (divtop < this.tickerdiv.offsetHeight) {
		divtop += 1;
		this.hiddenmenu.style.top = divtop+"px";
		}
	}
}
// -------------------------------------------------------------------
// nextmessage()- Populate the next message
// -------------------------------------------------------------------
pausescroller.prototype.nextmessage=function(){
// Contenu Visible
var ceiling=this.content.length
var i=this.hiddendivpointer;
i = (i+1>ceiling-1)? 0 : i+1
this.visiblediv.innerHTML = this.content[i];
// Contenu Hidden
var i=this.hiddendivpointer;
this.hiddendivpointer=(i+1>ceiling-1)? 0 : i+1
this.hiddendiv.innerHTML=this.content[this.hiddendivpointer]
}
// -------------------------------------------------------------------
// prevmessage()- Populate the previous message
// -------------------------------------------------------------------
pausescroller.prototype.prevmessage=function(){
// Contenu Vivible
var ceiling=this.content.length
var i=this.hiddendivpointer
i = (i-1 < 0) ? ceiling-1: i-1
this.visiblediv.innerHTML = this.content[i];
// Contenu Hidden
var i=this.hiddendivpointer;
this.hiddendivpointer=(i-1 < 0) ? ceiling-1: i-1
this.hiddendiv.innerHTML=this.content[this.hiddendivpointer]
}

