/****************************************************/
/*          Fonctions pour les formulaires          */
/****************************************************/

//Envoie de formualaire
function submitForm (nomFormulaire){
	var form = window.document.getElementById(nomFormulaire);
	
	if (form == null) {
		form = window.document.forms[nomFormulaire];
	}
	
	form.submit();
}
//Vide un champ
function viderChamps(nomChamp, default_value){
	if (nomChamp.value == default_value){
		nomChamp.value = "";
	}
}
//Rempli un champ avec un valeur
function remplirChamps(nomChamp,valeur){
	//si le champs est vide, on le rempli avec sa valeur par default.
	if (nomChamp.value == ""){
		nomChamp.value = valeur;
	}
}


/****************************************************/
/*             Image functions                      */
/****************************************************/

//preload
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];}}
}

//restauration d'une image
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;
}

//trouve une image
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;
}

//change une image
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];}
}

//ouverture de page
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

//fermeture de page
function closeWindows(){window.close();}

/*********************************/


		var browserName = navigator.appName;
		var browserVer = parseInt(navigator.appVersion);
		var version = "";
		var msie4 = (browserName == "Microsoft Internet Explorer" && browserVer >= 4);
		if ((browserName == "Netscape" && browserVer >= 3) || msie4 || browserName=="Konqueror" || browserName=="Opera") {version = "n3";} else {version = "n2";}
			// Blurring links:
		function blurLink(theObject)	{	//
			if (msie4)	{theObject.blur();}
		}
		
			// decrypt helper function
		function decryptCharcode(n,start,end,offset)	{
			n = n + offset;
			if (offset > 0 && n > end)	{
				n = start + (n - end - 1);
			} else if (offset < 0 && n < start)	{
				n = end - (start - n - 1);
			}
			return String.fromCharCode(n);
		}
			// decrypt string
		function decryptString(enc,offset)	{
			var dec = "";
			var len = enc.length;
			for(var i=0; i < len; i++)	{
				var n = enc.charCodeAt(i);
				if (n >= 0x2B && n <= 0x3A)	{
					dec += decryptCharcode(n,0x2B,0x3A,offset);	// 0-9 . , - + / :
				} else if (n >= 0x40 && n <= 0x5A)	{
					dec += decryptCharcode(n,0x40,0x5A,offset);	// A-Z @
				} else if (n >= 0x61 && n <= 0x7A)	{
					dec += decryptCharcode(n,0x61,0x7A,offset);	// a-z
				} else {
					dec += enc.charAt(i);
				}
			}
			return dec;
		}
			// decrypt spam-protected emails
		function linkTo_UnCryptMailto(s)	{
			location.href = decryptString(s,-1);
		}
	
/*********************************/	

/**
 * toggle FAQ Items
 *
 * @param id 		the id of the FAQ item to hide or show
 * @param single	true to show only one item at a time, false the open as many as you want
 */
function toggleFaq(id, single, hash) {	
		
	if(single) {
		//show only one Q+A at a time
		toggleAll(false, hash);		
		showHideFaq(id, true, hash);
	}
	else {
		//open as many Q+A as you like		
		if(document.getElementById('irfaq_a_'+id+'_'+hash).style.display == 'none') {
			showHideFaq(id, true, hash);
		}
		else {
			showHideFaq(id, false, hash);
		}			
	}	
}

/**
 * shows or hides a FAQ item at a time depending on the given status
 *
 * @param id 		the id of the FAQ item to hide or show
 * @param status	true to show the item, false to hide it
 */
function showHideFaq(id, status, hash) {
	var faq_id = 'irfaq_a_'+id+'_'+hash; //answer
	var pm_id  = 'irfaq_pm_'+id+'_'+hash; // plus/minus icon
	
	if(status) {
		document.getElementById(faq_id).style.display = 'inline';
		document.getElementById(pm_id).src = tx_irfaq_pi1_iconMinus;
	}
	else {
		document.getElementById(faq_id).style.display = 'none';	
		document.getElementById(pm_id).src = tx_irfaq_pi1_iconPlus;
	}
}

/**
 * shows or hides all FAQ items with one click
 *
 * @param mode	true to show the items, false to hide them
 */
function toggleAll(mode, hash, count) {
	for(i = 0; i < count; i++) {
		showHideFaq(i+1, mode, hash);
	}				
}