/******************************
* GnooCalendar 1.4
* calendrier dynamique en javascript
* v1         27/04/2004
* v1.1        19/09/2004 + drag&drop
* v1.2        03/10/2004 + bouton de fermeture
                   + passage de l'année en paramètre
                   + passage du mois en paramètre
* v1.3        25/11/2004 + fermeture automatique à la sélection d'une date
                                   + correction bug lié au positionnement lors du masquage
* v1.4        09/01/2005 + correction bug scrollbar des listes avec Mozilla
* Auteur : zegnoo
* Contact : gleroy@zegnoo.net
******************************/
function GnooCalendar(n, min, max, format)
{
        this.target= null;
        this.format = new String("fr");
        this.name = new String(n);
        this.tag = new String();
        this.title =  new String("GnooCalendar");
        this.date=new Date();
        this.moving = new Boolean(false);
        this.vis = new Boolean(false);
        this.free = new Boolean(false);
        this.curYear = new Number(this.date.getFullYear());
        this.maxYear = new Number(this.curYear+max);
        this.minYear = new Number(this.curYear-min);
        this.curMonth= new Number(this.date.getMonth());
/*
* GnooCalendar.setFormat(String format)
* format de date : "fr"=français, "us"=englais
*/
        this.setFormat=function(f)
        {
                this.format=f;
                return;
        }
/*
* GnooCalendar.setFree(Boolean vis)
* affiche ou non des jours feries
*/
        this.setFree=function(vis)
        {
                this.free=vis;
                if(this.vis==true)
                        this.show();
                return;
        }
/*
* GnooCalendar.IsDragable(Boolean drag)
* active/desactive l'option drag&drop
*/
        this.isDragable=function(drag)
        {
                if(drag==true && !document.layers)
                {
                        document.onmousemove=this.getMouse;
                        document.getElementById(this.div).root=this;
                        document.getElementById(this.div).onmousedown=this.startMove;
                        document.getElementById(this.div).onmouseup=this.endMove;
                }
                return;
        }
/*
* GnooCalendar.startMove()
* initialise le drag & drop
*/
        this.startMove=function(evt)
        {
                var event;
                var tmp;
                if(this.root.vis!=true)
                        return;
                if(document.all)
                {
                        event = window.event;
                        tmp = event.srcElement;
                        if(!tmp.form)
                        {
                                this.root.fixX = tmp.offsetLeft+event.offsetX;
                                this.root.fixY = event.offsetY;
                                while(tmp.parentElement!=document.getElementById(this.root.div) && tmp.parentElement!=null )
                                {
                                        this.root.fixX += tmp.parentElement.offsetLeft;
                                        this.root.fixY += tmp.parentElement.offsetTop;
                                        tmp = tmp.parentElement;
                                }
                                this.root.moving=true;
                                self.movingCalendar = this.root;
                                return false;
                        }
                }
                else
                {
                        event = evt;
                        tmp = event.target;
                        if( !tmp.form && tmp.tagName!="SELECT" && tmp.tagName!="OPTION" && tmp.tagName!="scrollbar" )
                        {
                                this.root.fixX = event.layerX;
                                this.root.fixY = event.layerY;
                                this.root.moving=true;
                                self.movingCalendar = this.root;
                                return false;
                        }
                }
                return evt;
        }
/*
* GnooCalendar.endMove()
* termine le drag & drop
*/
        this.endMove=function()
        {
                if(self.movingCalendar!=null)
                {
                        self.movingCalendar.moving=false;
                }
                return false;
        }
/*
* GnooCalendar.getMouse(Event evt)
* change la liste des jours feriés jours feries
*/
        this.getMouse=function(evt)
        {

                var event;
                if(document.all)
                {
                        event = window.event;
                        var scrollObj = (document.documentElement) ? document.documentElement : document.body;
                        this.posX = self.event.clientX+scrollObj.scrollLeft;
                        this.posY = self.event.clientY+scrollObj.scrollTop;
                }
                else
                {
                        event = evt;
                        this.posX = evt.pageX ;
                        this.posY = evt.pageY ;
                }
                if(self.movingCalendar!=null)
                {
                        if(self.movingCalendar.moving==true && self.movingCalendar.vis==true )
                                self.movingCalendar.move(this.posY-self.movingCalendar.fixY, this.posX-self.movingCalendar.fixX);
                }
                return false;
        }
/*
* GnooCalendar.move(Number x, Number y)
* déplace le calendrier
*/
        this.move=function(x, y)
        {
                if(!document.layers)
                {
                        document.getElementById(this.div).style.top = x+"px";
                        document.getElementById(this.div).style.left = y+"px";
                }
                return false;
        }

/*
* GnooCalendar.setFreeDay(Array fd)
* change la liste des jours feriés jours feries
*/
        this.setFreeDay=function(fd)
        {
                this.freeday.length=0;
                for(var i=0; i<fd.length; i++)
                        this.freeday[i] = new String(fd[i]);
                if(this.vis==true)
                        this.show();
                return;
        }
/*
* GnooCalendar.isFreeDay(d,m)
* true si jour ferié
*/
        this.isFreeDay=function(d,m)
        {
                var tmp = this.checkDate(d)+"/"+this.checkDate(parseInt(m)+1);
                if(this.free==false)
                        return false;
                for(var i=0; i<this.freeday.length; i++)
                        if( tmp == this.freeday[i])
                                return true;
                return false;
        }
/*
* GnooCalendar.setTitle(t)
* change le titre du calendrier
*/
        this.setTitle=function(t)
        {
                this.title = t;
                if(this.vis==true)
                        this.show();
                return;
        }
/*
* GnooCalendar.mList()
* retourne la liste des mois
*/
        this.mList=function()
        {
                var tmp = "<table border='0' cellpadding='0' cellspacing='0' class='Gtab'>";

                tmp += "<tr><td align='center' colspan='2' class='Gname'>";
                if(document.layers)
                {
                        tmp += "<table width='100%'>";
                        tmp += "<tr>";
                        tmp += "<td class='Gname' align='center'>"+this.title+"</td>";
                        tmp += "<td><a href='javascript://' onclick='"+this.name+".hide();' class='Gname'>X</a></td>";
                        tmp += "</tr>";
                        tmp += "</table>";
                }
                else
                {
                        tmp += "<span style='float:left; text-indent:20px;'>"+this.title+"</span>";
                        tmp += "<span style='float:right;'>";
                        tmp += "<a href='javascript://' onclick='"+this.name+".hide();' class='Gname'>X</a>";
                        tmp += "</span>";
                }
                tmp += "</td></tr>";
                tmp += "<tr>";
                tmp += "<td class='Gtxt'><select name='"+this.name+"month' class='Gtxt' ";
                tmp += "onchange='"+this.name+".setMonth(this[this.selectedIndex].value)' >\n";
                for(var i=0; i<this.month.length; i++)
                {
                        tmp += "<option value='"+i+"'";
                        if(this.curMonth==i)
                                tmp += " selected";
                        tmp += ">"+ this.month[i] +"</option>\n";
                }
                tmp += "</select></td><td class='Gtxt'>\n";
                tmp += this.yList();
                tmp += "</td></tr></table>";
                tmp += this.dList();
                return tmp;
        }
/*
* GnooCalendar.yList()
* retourne la liste des années
*/
        this.yList=function()
        {
                var tmp = "<select name='"+this.name+"year' class='Gtxt' ";
                tmp += "onchange='"+this.name+".setYear(this[this.selectedIndex].value);' >\n";
                for(var i=this.minYear; i<=this.maxYear; i+=1)
                {
                        tmp += "<option value='"+i+"'";
                        if(this.curYear==i)
                                tmp += " selected";
                        tmp += ">"+ i +"</option>\n";
                }
                tmp += "</select>\n";
                return tmp;
        }

        this.dayCell=function(d,n)
        {
                var tmp = new String("");
                var now = new Date();
                if(this.isFreeDay(d,this.curMonth))
                {
                        tmp += "<td class='Gfree'";
                }
                else if (this.checkDate(d)==now.getDate()
                                && this.curMonth==now.getMonth()
                                && this.curYear==now.getFullYear())
                {
                        tmp += "<td class='Gc'";
                }
                else
                {
                        tmp += "<td class='Gc"+n+"'";
                }
                if(!document.layers)
                {
                        tmp += "title='"+this.checkDate(d)+" "+this.month[this.curMonth]+" "+this.curYear+"'";
                        tmp += " onmousedown='"+this.name+".getDate(\"";
                        tmp += this.formatDate(d);
                        tmp += "\");' ";
                        tmp += " onmouseover='this.className=this.className+\"on\";' ";
                        tmp += " onmouseout='this.className= this.className.substring(0,this.className.indexOf(\"on\"));'";
                }
                else
                        tmp += " width='22' height='16' ";
                tmp += ">";
                return tmp;
        }
/*
* GnooCalendar.dList()
* retourne le tableau des jours
*/
        this.dList=function()
        {
                var num = 1 ;
                            var cur=new Number(1);
                var tmpDate = new Date();
                var tmp = new String("<table border='0' cellpadding='0' cellspacing='0' class='Gtab'>");
                tmpDate.setDate(cur);
                tmpDate.setMonth(this.curMonth);
                tmpDate.setFullYear(this.curYear);
                tmp += "<tr>\n";
                for(var i=1; i<this.day.length; i++)
                        tmp += "<td class='Gh"+i+"'>"+ this.day[i] +"</td>\n";

                tmp += "<td class='Gh0'>"+ this.day[0] +"</td>\n";
                tmp += "</tr>\n";
                for(var j=0; j<6; j++)
                {
                        tmp += "<tr>\n";
                        for(var i=1; i<this.day.length; i++)
                        {
                                tmpDate.setDate(cur);
                                if( cur<=31 && i==tmpDate.getDay() && this.curMonth==tmpDate.getMonth())
                                {
                                        tmp += this.dayCell(cur,i);
                                        tmp += this.getLink(cur);
                                        cur+=1;
                                }
                                else
                                {
                                        tmp += "<td class='Gc"+i+"'";
                                        tmp += ">&nbsp;";
                                }
                                tmp += "</td>\n";
                                tmpDate.setDate(cur);
                        }
                        if( cur==tmpDate.getDate() && this.curMonth==tmpDate.getMonth())
                        {
                                tmp += this.dayCell(cur,0);
                                tmp += this.getLink(cur);
                                cur+=1;
                        }
                        else
                        {
                                tmp += "<td class='Gc0'";
                                tmp += ">&nbsp;";
                        }
                        tmp += "</td>\n</tr>\n";
                }
                tmp += "</table>\n";
                return tmp;
        }
/*
* GnooCalendar.getLink(c)
* retourne la balise d'un lien
*/
        this.getLink = function(c)
        {
                var tmp = new String("");
                if(document.layers)

                {

                       var toto = 2 ;
                        tmp = "<a href='javascript://' ";
                        tmp += "onclick='"+this.name+".getDate(\"";
                        tmp += this.formatDate(c);
                        tmp += "\");' class='NSday'>"+(c)+"</a>";
                                       }
                else
                {
                        tmp = (c);
                }
                return tmp;
        }
/*
* GnooCalendar.setMonth( Integer m )
* modifie le mois à afficher
*/
        this.setMonth = function(m)
        {
                this.curMonth = m;
                this.show();
                return;
        }
/*
* GnooCalendar.getYear( Integer y )
* modifie l'année à afficher
*/
        this.getYear = function (y)
        {
                if(document.layers)
                {
                        for(var i=0; i<document.layers[this.div].document.forms[this.name+"_form"][this.name+"year"].length; i++)
                        {
                                if(document.layers[this.div].document.forms[this.name+"_form"][this.name+"year"][i].value==y)
                                {
                                        document.layers[this.div].document.forms[this.name+"_form"][this.name+"year"].selectedIndex=i;
                                        this.setYear(y);
                                        return;
                                }
                        }
                }
                else
                {
                        for(var i=0; i<document.forms[this.name+"_form"].elements[this.name+"year"].length; i++)
                        {
                                if(document.forms[this.name+"_form"].elements[this.name+"year"][i].value==y)
                                {
                                        document.forms[this.name+"_form"].elements[this.name+"year"].selectedIndex=i;
                                        this.setYear(y);
                                        return;
                                }
                        }
                }
                return;
        }
/*
* GnooCalendar.getMonth( Integer m )
* modifie le mois à afficher
*/
        this.getMonth = function (d)
        {
                if(document.layers)
                {
                        for(var i=0; i<document.layers[this.div].document.forms[this.name+"_form"][this.name+"month"].length; i++)
                        {
                                if(document.layers[this.div].document.forms[this.name+"_form"][this.name+"month"][i].value==d)
                                {
                                        document.layers[this.div].document.forms[this.name+"_form"][this.name+"month"].selectedIndex=i;
                                        this.setMonth(d);
                                        return;
                                }
                        }
                }
                else
                {
                        for(var i=0; i<document.forms[this.name+"_form"].elements[this.name+"month"].length; i++)
                        {
                                if(document.forms[this.name+"_form"].elements[this.name+"month"][i].value==d)
                                {
                                        document.forms[this.name+"_form"].elements[this.name+"month"].selectedIndex=i;
                                        this.setMonth(d);
                                        return;
                                }
                        }
                }
                return;
        }
/*
* GnooCalendar.setYear( Integer y )
* modifie l'année à afficher
*/
        this.setYear = function (y)
        {
                this.curYear = y;
                this.show();
                return;
        }
/*
* GnooCalendar.setTarget( Object obj )
* change le champs cible d'affichage de la date
* BUG OPERA!
*/
        this.setTarget = function (obj)
        {
                this.target = obj;
                return;
        }
/*
* GnooCalendar.hide()
* masque le calendrier
*/
        this.hide = function()
        {
                if(document.layers)
                        document.layers[this.div].visibility='hide';
                else
                {
                        document.getElementById(this.div).style.visibility = 'hidden';
                        document.getElementById(this.div).style.display = 'none';
                }
                this.vis = false;
                this.endMove();
                return;
        }

/*
* GnooCalendar.getDate()
* retourne la date selectionnée dans le champs cible
*/
        this.getDate = function(d)
        {
                if(this.target!=null)
                {
                        this.target.value=d;
                        //this.hide();
                }
                return;
        }

/*
* GnooCalendar.show()
* affiche le calendrier
*/
        this.show = function()
        {
                this.vis = true;
                this.tag = "<form name='"+this.name+"_form' method='post'>\n";
                this.tag += this.mList();
                this.tag += "</form>\n";
                if(document.layers)
                {
                        with(document.layers[this.div])
                        {
                                document.open("text/html");
                                document.write(this.tag);
                                document.close();
                                visibility='show';
                        }
                }
                else
                {
                        document.getElementById(this.div).innerHTML = ""+this.tag;
                        document.getElementById(this.div).style.visibility = 'visible';
                        document.getElementById(this.div).style.display = 'block';
                }
                return;
        }
/*
* GnooCalendar.init( String d )
* initialise le Calendrier à la date actuelle
* paramêtres :
* d : nom du calque d'affichage
* obj : objet dont la propriété value va recevoir le String de la date
*/
        this.init = function(d, obj)
        {
                this.div=d;
                this.target = obj;
                this.date=new Date();
                this.date.setDate(1);
                this.curMonth = this.date.getMonth();
                this.curYear = this.date.getFullYear();
                if(!self.movingCalendar)
                        self.movingCalendar=null;
                return;
        }
/*
* GnooCalendar.checkDate( Integer d )
* paramêtre : le jour d'une date
*/
        this.checkDate = function(d)
        {
                if(parseInt(d)<=9)
                        return "0"+parseInt(d);
                return parseInt(d);
        }
/*
* GnooCalendar.formatDate( Integer d, Integer m, Integer y )  ****très important *****
* paramêtre : le jour d'une date
*/
        this.formatDate = function(c)
        {
                var tmp = "";
                switch(this.format)
                {
                        case "us":        // englais
                                tmp = this.curYear+"-";
                                tmp += this.checkDate(1+parseInt(this.curMonth))+"-";
                                tmp += this.checkDate(c);
                                break;
                        default:         // français

                                tmp = this.checkDate(1+parseInt(this.curMonth))+"-";
                                tmp += this.checkDate(c)+"-" ;
                                tmp += this.curYear ;

                                break;
                }

                return tmp;

        }
        return this;
        }
/******************************/
GnooCalendar.prototype.day = ["D", "L", "M", "M", "J", "V", "S" ];
GnooCalendar.prototype.month = ["Janvier",
                                "F&eacute;vrier",
                                "Mars",
                                "Avril",
                                "Mai",
                                "Juin",
                                "Juillet",
                                "Ao&ucirc;t",
                                "Septembre",
                                "Octobre",
                                "Novembre",
                                "D&eacute;cembre"];
/* jours feriés français */
GnooCalendar.prototype.freeday= ["01/01","01/05","08/05","14/07","15/08","01/11","11/11","25/12"];
/******************************/