// Functions for rollovers  from Dreamweaver
// (maybe we should change to CSS rollovers)
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_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_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_controlShockwave(objStr,x,cmdName,frameNum) { //v4.0
  var obj=MM_findObj(objStr);
  if (obj && obj[1]) obj=obj[1];
  if (obj) eval('obj.'+cmdName+'('+((cmdName=='GotoFrame')?frameNum:'')+')');
}

//----------
// popup helper functions; by FRB
function is_hidden(elem) { return elem.style.display == 'none' || elem.style.visibility != 'visible'; }
function show_elem(elem) { /*elem.style.visibility = 'visible';*/ elem.style.display = 'block'; }
function hide_elem(elem) { elem.style.display = 'none'; /*elem.style.visibility = 'hidden';*/ }
function hidepop(n) { hide_elem((typeof(n) == "string") ? document.getElementById(n) : n); }
function showpop(n) { show_elem((typeof(n) == "string") ? document.getElementById(n) : n); }
function closepopup() { } // so we can have "javascript:closepopup()" shown when over the popup

// Window width and height, mostly from http://www.howtocreate.co.uk/tutorials/javascript/browserwindow
function getWindowSize() {
	// (it seems that: Firefox 2 never returns width<286, Firefox 3 never returns width<193, including scrollbar)
	// Note that some browsers include scrollbar size; this may not be what you want
	if( typeof( window.innerWidth ) == 'number' ) {
	  //Non-IE
	  return { width: window.innerWidth, height: window.innerHeight };
	} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
	  //IE 6+ in 'standards compliant mode'  (IE6 will set this only if document type is defined with the .dtd)
	  return { width: document.documentElement.clientWidth, height: document.documentElement.clientHeight };
	} else
	if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
	  //IE 4 compatible
	  return { width: document.body.clientWidth, height: document.body.clientHeight }
	}
}

// Resize window if too small
var minWidth = 816, minHeight = 640;
var wsize = getWindowSize();
if( wsize.width < minWidth || wsize.height < minHeight ) {
	window.resizeBy( Math.max(0, minWidth-wsize.width), Math.max(0, minHeight-wsize.height ) );
}

// Set tooltips for our Lightbox image gallery
function setupLightboxTooltips() {
	function _myTooltipPos(event, pos) {
		tipDiv = this.getTip(); tipConf = this.getConf();		obj = this.getTrigger();
		tipSize = [tipDiv.outerHeight(), tipDiv.outerWidth()];	objSize = [obj.outerHeight(), obj.outerWidth()];
		origPos = [pos.top, pos.left];
		
		// Computer offset from 'formula'
		newOffset = tipConf.myoffset.slice();
		for(i=0; i<2; i++) if(typeof(newOffset[i]) == 'object') newOffset[i] = Math.round(newOffset[i][0] + newOffset[i][1]*objSize[i] + newOffset[i][2]*tipSize[i]);
		
		// Computer new pos from offset difference
		newPos = [pos.top,pos.left];
		for(i=0;i<2;i++) newPos[i] += newOffset[i] - tipConf.offset[i];
		
		// Limit position inside window
		minPos = [ $(document).scrollTop(), $(document).scrollLeft() ];
		maxPos = [ minPos[0] + $(window).height() - tipDiv.outerHeight(), minPos[1] + $(window).width() - tipDiv.outerWidth() ];
		for(i=0;i<2;i++)
			tipConf.offset[i] = newOffset[i] + Math.max(minPos[i] - newPos[i], Math.min(maxPos[i] - newPos[i], 0));
	}
	$('#lightbox-nav-btnPrev').attr('title', '<b>Précédent</b>.<br>Clavier: flèche gauche.').tooltip({
		effect: 'fade', fadeOutSpeed:100, predelay:500, position: 'top left', myoffset: [[20,.15,1], -10], tipClass:'tooltipPrev'
	}).data("tooltip").onBeforeShow(_myTooltipPos);
	$('#lightbox-nav-btnNext').attr('title', '<b>Suivant</b>.<br>Clavier: flèche droite.').tooltip({
		effect: 'fade', fadeOutSpeed:100, predelay:500, position: 'top right', myoffset: [[20,.15,1], 10], tipClass:'tooltipNext'
	}).data("tooltip").onBeforeShow(_myTooltipPos);
	$('#lightbox-secNav-btnClose').attr('title', '<b>Fermer</b>.<br>Clavier: escape.<br>Ou cliquez sur le fond ombragé').tooltip({
		effect: 'fade', fadeOutSpeed:100, predelay:500, position: 'bottom right', myoffset: [10, 10], tipClass:'tooltipClose'
	}).data("tooltip").onBeforeShow(_myTooltipPos);
}