//Oouvre le plan es lignes en popup en fonction de la résolution
function ouvre_plan(racine)
{
  //Augmente le nombre de carrés visible pour les grandes résolutions
  //alert(screen.availWidth);
  //var racine='http://test.heptades.com/trace/';
  //var racine='http://www.trace-colmar.com/';
  var racine='';
  if (screen.availWidth>=1280) { MM_openBrWindow(racine+'/plan.php?x=8&y=7&nb_carre_x=4&nb_carre_y=3','plan','width=1220,height=740'); }
  else if (screen.availWidth>=1024) { MM_openBrWindow(racine+'/plan.php?x=8&y=7&nb_carre_x=3','plan','width=995,height=560'); }
  else { MM_openBrWindow(racine+'/plan.php?x=8&y=7&nb_carre_x=2','plan','width=770,height=560'); }
}

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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

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 getQueryParameter ( parameterName ) {
    var queryString = window.top.location.search.substring(1);
    var parameterName = parameterName + "=";
    if ( queryString.length > 0 ) {
        begin = queryString.indexOf ( parameterName );
        if ( begin != -1 ) {
            begin += parameterName.length;
            end = queryString.indexOf ( "&" , begin );
            if ( end == -1 ) {
                end = queryString.length
            }
            return unescape ( queryString.substring ( begin, end ) );
        }
    }
    return "";
}