function detect_os(){
	var v_sis="";
	if (navigator.platform.toUpperCase().indexOf("WIN")==-1){
		v_sis="mac";
	}else{
		v_sis="win";
	}
	return v_sis;					
}
var ns4=(document.layers)?true:false;
var ie4=(document.all)?true:false;
var dom=(!document.all && document.getElementById) ? true : false;
var v_plat=detect_os();

function canvi(celda,actiu){
	nom_cel="opcio"+celda;
	if (actiu=="S"){
		color='#EBD816';
	}else{
		color='#25753F';
	}
	if (!ns4){
		if (!dom){
			//explorer
			if (ie4){
				document.all[nom_cel].style.background=color;
			}
		}else{
			//ns6
			document.getElementById(nom_cel).style.background=color;
		}
	}
	return;
}

function val_fecha(v_dat){
		
	var mesos=new Array(31,28,31,30,31,30,31,31,30,31,30,31);
	
	var fecha=v_dat
				
	var dia="";
	var mes="";
	var ano="";
	
	var dia=fecha.substr(0,2);
	var se1=fecha.substr(2,1);
	var mes=fecha.substr(3,2);
	var se2=fecha.substr(5,1);
	var ano=fecha.substr(6,4);
								
	var ok=true;
	
	if((se1!="/") || (se2!="/")){
		ok=false;
	}
			
	if ( isNaN(dia) || isNaN(mes) || isNaN(ano) ) {
		ok=false;
	}
	
	n_dia=dia;
	n_mes=mes-1;
	n_ano=ano;
									
	if ((n_ano%4)==0){
		mesos[1]=29;
	}
	
	if ((n_dia<1) || (n_dia>mesos[n_mes])){
		ok=false;
	}
	
	if ((n_mes+1<1) || (n_mes+1>12)){
		ok=false;
	}
	
	if ( (n_ano==0) || (n_ano=="") ){
		ok=false;
	}
	
	return ok;
	
}

function test_mail(camp){
	camp.toLowerCase();
	sw_pas=true;
	if (camp==""){
		sw_pas=false;
	}else{
		if ((camp.indexOf("@")==-1) || (camp.indexOf(" ")!=-1) || (camp.indexOf(".")==-1)){
			sw_pas=false;
		}else{
			if (camp.length<6){
				sw_pas=false;
			}
		}
	}
	return sw_pas;
}

var v_fin;

//obri popup
function obrir_popup(url,f_amp,f_alt,nom_finestra){
	ancho=screen.width;				//ample pantalla
	alto=screen.height;				//alt pantalla
	v_top=(alto-f_alt)/2;	
	v_left=(ancho-f_amp)/2;
	
	if (typeof(v_fin)!="undefined"){
		v_fin.close();
	
	}
	
	v_fin=window.open(url,nom_finestra,"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width="+f_amp+",height="+f_alt+",top="+v_top+",left="+v_left);
}

function setPointer(theRow, thePointerColor){
    if (typeof(theRow.style) == 'undefined' || typeof(theRow.cells) == 'undefined') {
        return false;
    }
	var row_cells_cnt = theRow.cells.length-1;
    for (var c = 0; c < row_cells_cnt; c++) {
        theRow.cells[c].bgColor = thePointerColor;
    }
	
	return true;
}

//borrar capsa select
function borra_select(nom_form,nom_camp){
	//inicialitzam el select de seleccionats
	var obj_sele=eval("document."+nom_form+"."+nom_camp);
	var num=obj_sele.length;
	for(i=0;i<num;i++){
		obj_sele.options[0]=null;
	}	
}
//*********************************************
function punt(nom){
    this.nom=nom;
    this.x=0;
    this.y=0;
    this.getX=getX;
    this.getY=getY;
    this.getOffsetLeft=getOffsetLeft;
    this.getOffsetTop=getOffsetTop;
    if (!is.ie){
        //ns4 i ns6+ i altres
        this.objSp = document.images[this.nom];
        this.x = this.objSp.x;
        this.y = this.objSp.y;
    }else{
        //ie
        this.objSp = eval("document.images['"+this.nom+"']");
        this.x = this.getOffsetLeft(this.objSp);
        this.y = this.getOffsetTop(this.objSp);
    }
}
function getX(){
    return this.x;
}
function getY(){
    return this.y;
}
//*********************
//funcions per explorer
function getOffsetLeft (el) {
    var ol = el.offsetLeft;
    while ((el = el.offsetParent) != null){
        ol += el.offsetLeft;
    }
	return ol;
}
function getOffsetTop (el) {
    var ot = el.offsetTop;
    while((el = el.offsetParent) != null){
        ot += el.offsetTop;
    }
    return ot;
}
//*********************
//*********************************************

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_nbGroup(event, grpName) { //v6.0
var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])?args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) { img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr) for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

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 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];}}
}