//Fonction de préchargement des images (ex.: arrière-plan, ...)
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 swapImage(url, idImg) {
	//Initialisation des variables et objets
	var div 			= document.getElementById('imageContent');
	var obj 			= document.getElementById(idImg);
	var monImg 			= new Image();
	monImg.src 			= url;
	obj.width			= 0;
	obj.height			= 0;
	obj.style.display 	= "none";
	div.style.display 	= "none";
	
	//Définition des propriétés de l'image
	obj.src				=	url;
	obj.alt				= "fermer l'image/close image";
	obj.title			= "fermer l'image/close image";
	div.style.display 	= "block";
	
	//Affichage lorsque l'image sera chargée
	monImg.onload = function() {
		obj.style.display = "block";
		var idealRatio = 665/475;
		var ratioImg = monImg.width/monImg.height;
		if (idealRatio > ratioImg) {
			obj.height 	= 475;
			obj.width 	= obj.height*ratioImg;
		}
		if (idealRatio < ratioImg) {
			obj.width 	= 665;
			obj.height	= obj.width/ratioImg;
		}
		if (idealRatio == ratioImg) {
			obj.width 	= 665;
			obj.height 	= 475;
		}
	}
}

//Fonction permettant de charger une nouvelle image en grand sur le onclick de la vignette
function swapImageGallery(imgName, url, idImg, Mwidth, Mheight, Malt) {
	//Initialisation des variables et objets
	var div = document.getElementById('imageContent');
	var obj = document.getElementById(idImg);
	
	obj.style.display = "none";
	
	//Définition des propriétés de l'image
	obj.src		= url;
	obj.width	= Mwidth;
	obj.height	= Mheight;
	obj.alt		= Malt;
	obj.title	= Malt;
	obj.name	= imgName;
	
	div.style.display = "block";
	
	//Affichage lorsque l'image sera chargée
	obj.onload = function() {
		obj.style.display = "block";
	}
}

//Fonction de fermeture de l'image de grande taille: galerie
function closeImage(idDiv){
	var div = document.getElementById(idDiv);
	div.style.display = "none";
}


//Fonction permettant de masquer toutes les images et d'afficher celle passée en argument
function IDM_hiddenElement(img) {
	var tabImg = new Array();
	tabImg = document.getElementsByTagName("div");
	
	for (i in tabImg) {
		var imgID=tabImg[i].id;
		if (imgID!=undefined&&imgID.indexOf(img)>=0) {
			tabImg[i].style.visibility 	= "hidden";
			tabImg[i].style.display 	= "none";
		}
	}
}

function IDM_showElement(id) {
	IDM_hiddenElement("img");
	if (document.getElementById('img'+id).id) {
		document.getElementById('img'+id).style.display		= "block";
		document.getElementById('img'+id).style.visibility	= "visible";
	}
}

function swapVisDiv(id) {
	var curDiv = document.getElementById(id);
	
	if (curDiv.style.display=='none') {
		curDiv.style.display = 'block';
	} else {
		curDiv.style.display = 'none';
	}
}

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_validateForm_fr() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm_fr.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' doit contenir une adresse e-mail valide.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' doit contenir une valeur numerique.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' doit contenir une valeur numerique entre '+min+' et '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' est requis.\n'; }
  }
  if (errors) alert('La(es) erreur(s) suivante(s) est(sont) apparues:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function MM_validateForm_en() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm_fr.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain a valid e-mail addres.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must be a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must be a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  }
  if (errors) alert('The following error occured:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function MM_validateForm_sendEmail_fr() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm_sendEmail_fr.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' doit contenir une adresse e-mail valide.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' doit contenir une valeur numerique.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' doit contenir une valeur numerique entre '+min+' et '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' est requis.\n'; }
  } if (errors) alert('La(es) erreur(s) suivante(s) est(sont) apparues:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function MM_validateForm_sendEmail_en() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm_sendEmail_fr.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain a valid e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must be a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must be a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error occured:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
	eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
	if (restore) selObj.selectedIndex=0;
}

function MM_changeRubrique_Add(fileUrlSrc, fileUrlDest, element, action, selObj,restore){ //v3.1
	//alert("document.location='"+fileUrlDest+"?urldest="+fileUrlSrc+"&element="+element+"&action="+action+"&ID_rubrique="+selObj.options[selObj.selectedIndex].value+"';");
	eval("document.location='"+fileUrlDest+"?urldest="+fileUrlSrc+"&element="+element+"&action="+action+"&ID_rubrique="+selObj.options[selObj.selectedIndex].value+"';");
	if (restore) selObj.selectedIndex=0;
}

function MM_changeRubrique_Mod(idRub, fileUrlSrc, fileUrlDest, element, action, selObj,restore){ //v3.1
	//alert("document.location='"+fileUrlDest+"?urldest="+fileUrlSrc+"&element="+element+"&action="+action+"&ID_rubrique="+selObj.options[selObj.selectedIndex].value+"';");
	eval("document.location='"+fileUrlDest+"?urldest="+fileUrlSrc+"&element="+element+"&action="+action+"&ID_rubrique="+selObj.options[selObj.selectedIndex].value+"&idpge="+idRub+"';");
	if (restore) selObj.selectedIndex=0;
}

function IDM_sendPageToAFriend() {
	document.location = "mailto:?subject=Voici un lien interessant a visiter - tikeo architecture&body=Voici un lien interessant a visiter : http://www.tikeo.ch/";
}

function checkDate() {
	var myDayStr 	= document.sendData1.formDate.value;
	var myMonthStr 	= document.sendData1.formMonth.value;
	var myYearStr 	= document.sendData1.formYear.value;
	var myMonth 	= new Array('01','02','03','04','05','06','07','08','09','10','11','12');
	var myDateStr 	= myDayStr + ' ' + myMonth[myMonthStr] + ' ' + myYearStr;
	var myDate 		= new Date();

	myDate.setFullYear(myYearStr, myMonthStr, myDayStr );

	if (myDate.getMonth()!=myMonthStr) {
  		alert('- "' + myDateStr + '" n\'est pas une date valide!');
  		return false;
	} else {
  		return true;
  		// alert( 'La date que vous avez saisie:\n"' + myDateStr + '" est une date valide!');
	}
}

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 FollowSwapImage(idImg, direction) {
	var tab 		= idImg;
	var imgToGet 	= idImg;
	
	closeImage('imageContent');
	
	var xhr_object;
	var mytabReturn;
	
	if(window.XMLHttpRequest) {
		xhr_object = new XMLHttpRequest();
	} else if(window.ActiveXObject) {
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	} else {
		alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");   
		return;
	}   
	
	urlToGet = "./ressources/vtp_getImageInfo.php";

	xhr_object.open("POST", urlToGet, true);
		
	xhr_object.onreadystatechange = function() {   
		if(xhr_object.readyState == 4 && xhr_object.status == 200) {
			mytabReturn = xhr_object.responseText.split('@');
			if (mytabReturn!='') {
				swapImageGallery(imgToGet, './userfiles/image/full/'+mytabReturn[1], 'fullImage', mytabReturn[2], mytabReturn[3], mytabReturn[4]); //mytabReturn[0]
				document.getElementById('fullImage').name = mytabReturn[0];
			}
		}
	}		
	xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); 
	var data = "IdImg="+imgToGet+"&direction="+direction;
	xhr_object.send(data);
}