IE = navigator.appName=="Microsoft Internet Explorer";
NS = navigator.appName=="Netscape";
browsertype = parseInt(navigator.appVersion);

var newWin=null;


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_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_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 popWin(loc, name, width, height) {
        var _params = "width="+width+",height="+height+",resizable=no,scrollbars=no,status=no";
      //onClick="popWin('/html/filename.htm','winname',640,480);"
        // CENTER ON BROWSERS WHICH SUPPORT JSCRIPT 1.2
        if (browsertype >= 4) {
                 _left = ( (screen.width-width) >>1 );
                 _top = ( (screen.height-height) >>1 );
        } else {
                 _left = ( (800-width) >>1 );
                 _top = ( (600-height) >>1 );
        }

        if (IE) _params += ",top=" + _top + ",left=" + _left;
        else if (NS) _params += ",screenX=" + _left + ",screenY=" + _top;

        newWin = window.open(loc, name, _params);
        if ( newWin!=null && !(IE && browsertype<5) )
                newWin.focus(); // MSIE4 DOESN'T FOCUS WINDOWS
}

function trim(str) {
  //Enleve les espace a la fin
  while (str.substr(str.length-1) == " ") {
    str = str.substring(0,str.length-1);
  }
  
  //Enleve les espaces au debut
  while (str.substr(0,1) == " ") {
    str = str.substring(1,str.length);  
  }
  return str;
}

function isEmailValid(sEmail) 
{
  //Cette fonction est tirée de l'Internet (webreference.com/js/ -sélection sur 'form validation')
  var field = sEmail; // email string
  var reg1 = /([\s])|(@.*@)|(\.\.)|(@\.)|(^\.)/; // not valid
  var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/; // valid
  
  if (!reg1.test(field) && reg2.test(field))
    return true;

  return false;
}

function check_date(field){
var checkstr = "0123456789";
var DateField = field;
var Datevalue = "";
var DateTemp = "";
var seperator = "-";
var day;
var month;
var year;
var leap = 0;
var err = 0;
var i;
   err = 0;
   DateValue = DateField.value;
   /* Delete all chars except 0..9 */
   for (i = 0; i < DateValue.length; i++) {
    if (checkstr.indexOf(DateValue.substr(i,1)) >= 0) {
       DateTemp = DateTemp + DateValue.substr(i,1);
    }
   }
   DateValue = DateTemp;
   /* Always change date to 8 digits - string*/
   /* if year is entered as 2-digit / always assume 20xx */
   if (DateValue.length == 6) {
      DateValue = DateValue.substr(0,4) + '20' + DateValue.substr(4,2); }
   if (DateValue.length != 8) {
      err = 19;}
   /* year is wrong if year = 0000 */
   year = DateValue.substr(4,4);
   if (year == 0) {
      err = 20;
   }
   /* Validation of month*/
   month = DateValue.substr(2,2);
   if ((month < 1) || (month > 12)) {
      err = 21;
   }
   /* Validation of day*/
   day = DateValue.substr(0,2);
   if (day < 1) {
     err = 22;
   }
   /* Validation leap-year / february / day */
   if ((year % 4 == 0) || (year % 100 == 0) || (year % 400 == 0)) {
      leap = 1;
   }
   if ((month == 2) && (leap == 1) && (day > 29)) {
      err = 23;
   }
   if ((month == 2) && (leap != 1) && (day > 28)) {
      err = 24;
   }
   /* Validation of other months */
   if ((day > 31) && ((month == "01") || (month == "03") || (month == "05") || (month == "07") || (month == "08") || (month == "10") || (month == "12"))) {
      err = 25;
   }
   if ((day > 30) && ((month == "04") || (month == "06") || (month == "09") || (month == "11"))) {
      err = 26;
   }
   /* if 00 ist entered, no error, deleting the entry */
   if ((day == 0) && (month == 0) && (year == 00)) {
      err = 0; day = ""; month = ""; year = ""; seperator = "";
   }
   /* if no error, write the completed date to Input-Field (e.g. 13-12-2001) */
   if (err == 0) {
      DateField.value = day + seperator + month + seperator + year;
   }
   /* Error-message if err != 0 */
   else {
      alert("Date invalide!");
      DateField.select();
      DateField.focus();
   }
}