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();

document.write("<style>\n");
if ((ns4) && (v_plat=="win")){
   /* Defineix l'estil de menu nomes per NS de Windows*/
	document.write(".cita{ font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 11px; font-style: italic; font-weight: bold; color: #4078B8; text-decoration: none}\n");
	document.write(".text_normal{ font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 11px; color: #303078; text-decoration: none;}\n");
	document.write(".text_igetec{ font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px; color: #303078; text-decoration: none}\n");
	document.write(".titular{ font-family: Helvetica, Arial, Verdana, sans-serif; font-size: 13px; font-weight: bold; color: #303078; text-decoration: none}\n");
	document.write(".texto_form{ font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 11px;}\n");
	document.write(".text_blanc {font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 11px; color: #ffffff; text-decoration: none}\n");
	document.write(".text_vermell {font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 11px; color: #ff0000; text-decoration: none}\n");
}else{
	document.write(".cita{ font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px; font-style: italic; font-weight: bold; color: #4078B8; text-decoration: none}\n");
	document.write(".text_normal {font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px; color: #303078; text-decoration: none}\n");
	document.write(".text_igetec {font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 9px; color: #303078; text-decoration: none}\n");
	document.write(".titular{ font-family: Helvetica, Arial, Verdana, sans-serif; font-size: 12px; font-weight: bold; color: #303078; text-decoration: none}\n");
	document.write(".texto_form { font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px; color: #001C4D; background-color: #FFFFFF; border: 1 solid #001C4D;}\n");
	document.write(".text_blanc {font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px; color: #ffffff; text-decoration: none}\n");
	document.write(".text_vermell {font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px; color: #ff0000; text-decoration: none}\n");
}
document.write("</style>");

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 coor(ele,prop){
	aux=0;
	var dom=(!document.all && document.getElementById) ? true : false;
	//ie
	if (document.all) {
		t=eval("document.images['"+ele+"']");
		if (prop=="x"){
			aux=getOffsetLeft(t);
		}
		if (prop=="y"){
			aux=getOffsetTop(t);
		}
	}
	//ns4 i ns6
	if ((document.layers) || (dom) ) {
		var t=document.images[ele];
		if (prop=="x"){
			aux=t.x;
		}
		if (prop=="y"){
			aux=t.y;
		}
	}
	return aux;
}

function nova_capa(nom){
	if(ns4){
		aux=eval("document."+nom);
	}else{
		if (ie4){
			aux=eval("document.all."+nom+".style");
		}else{
			//ns6
			aux=document.getElementById(nom).style;
		}
	}
	return aux;
}

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;
	}
	
	/*if (fecha==""){
		ok=true;}*/
		
	return ok;
}

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

var obj_finestra;
//obri popup
function obrir_popup(url,f_amp,f_alt,nom_finestra){
	ancho=screen.width;				//ample pantalla
	alto=screen.height;				//alt pantalla
	//f_amp=392;						//ample finestra
	//f_alt=525;						//alt finestra
	v_top_fin=(alto-f_alt)/2;
	v_left_fin=(ancho-f_amp)/2;
	//si la finestra ja està oberta la tancam.
	if (typeof(obj_finestra)=="object"){
		if (!obj_finestra.closed){
			obj_finestra.close();
		}
	}
	obj_finestra=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_fin+",left="+v_left_fin);
}