/**
 * Ouvre l'url spécifiée en popup dans une fentre de la taille souhaitée
 */
function openWindow(url, width, height) {
	var left = (screen.width - width) / 2;
	var top = (screen.height - height) / 2;
	var p = window.open(url, 'popup', 'width=' + width + ',height=' + height + ',left=' + left + ',top=' + top + ',directories=0,hotkeys=1,location=0,menubar=0,resizable=1,scrollbars=1,status=0,titlebar=0,toolbar=0,closed=0,opener=0');
} // end of 'openWindow()'

/**
 * Verifie que la chaine passée n'est pas une chaine vide
 *
 * @param	string strSaisie	Chaine de caractère
 * @return	boolean				Retourne false si elle est vide, true dans la cas contraire
 */
function isBlank(strSaisie) {
	var iSaisie = 0;
	var strBlank = ""

	if (strSaisie != "") {
		for (i=0; i < strSaisie.length; i++)
			if (strSaisie.charAt(i) != ' ') iSaisie = 1;
		if (iSaisie == 1)
			return false;
	}
	return true;
}

/**
 * Verifie la validité d'une adresse email (presence d'un @ puis d'un .
 *
 * @param	string strSaisie	Adresse email à vérifier
 * @return	boolean				Retourne true si c'est une adresse email, false dans le cas contraire
 */
function isEmail(strSaisie) {
	a = strSaisie.indexOf("@");
	if ( a != -1 ) {
		p = strSaisie.indexOf(".", a);
		if ( p != -1 )
			return true;
	}
	return false;
}

/**
 * Verifie si un objet de type radio ou checkbox a au moins un element selectionné
 *
 * @param	object obj	Input de type radio ou checkbox d'un formulaire
 * @return	boolean		Retourne true si un element au moins est selectionné false dans le cas contraire
 * @author				David Duret
 * @created				2002-06-12
 */
function isChecked(obj) {
	for ( var i = 0; i < obj.length; i++ ) {
		if ( typeof(checked) == 'undefined' ) checked = false;
		checked = ( obj[i].checked || checked );
	}
	return checked
}

function isSelected(obj) {

    var selected = false;
    if ( obj.selectedIndex >= 0 ) selected = true;
    
    return selected;

}


/***********************************************
* Pausing up-down scroller- © Dynamic Drive (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
***********************************************/

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=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
this.tickerdiv.onmouseover=function(){scrollerinstance.mouseoverBol=1}
this.tickerdiv.onmouseout=function(){scrollerinstance.mouseoverBol=0}
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
}
