function doNothing ()
	  {
	  }	
      
      function nul() {
        var a=1;
      }

      function entrar(src,color_entrada) {
        if (!src.contains(event.fromElement)) {
	        //src.style.cursor = "hand";
	        src.bgColor = color_entrada;
	        src.FontColor="ff0000";
	      }
      }

      function sortir(src,color_default) {
        if (!src.contains(event.toElement)) {
	        //src.style.cursor = "default";
	        src.bgColor = color_default;
	      }
      }

      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) {
        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_swapImgRestore() {
        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_swapImage() {
        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 action(url) {
        document.forms["listado"].action=url;
        if (document.forms["listado"].elements[0].value != '') document.forms["listado"].submit();
        //javascript.alert(url);
      }      

      function selecciona_fila(posicio,valor) {
        var nom_imatge='Image' + posicio;
        for (i=0;i < document.images.length;i++) {
          document.images[i].src=document.images[i].src.replace(/bola_seleccionada\.gif/,"bola.gif");
        }
        document.images[nom_imatge].src=document.images[nom_imatge].src.replace(/bola\.gif/,"bola_seleccionada.gif");
        document.forms["listado"].elements[0].value=valor;
      }

      function NewWindow(mypage, myname, height, width,scrollbars, resizable, titlebar, dependent) {
        var winl = (screen.width - width) / 2;
        var wint = (screen.height - height) / 2;
        winprops = 'height='+ height + ',' +
                   'width='+ width + ',' +
                   'top=' + wint + ',' +
                   'left=' + winl + ',' +
                   'scrollbars=' + scrollbars + ',' +
                   'resizable=' + resizable + ',' +
                   'titlebar=' + titlebar + ',' +
                   'dependent=' + dependent;
        win = window.open(mypage, myname,winprops)
        if (parseInt(navigator.appVersion) >= 4) {
          win.window.focus();
        }
        return(win);
      }
      
        function NewWindowRes(mypage, myname, heightz, widthz,scrollbars, resizable, titlebar, dependent, local, visit) {
        
        if (local > visit ) {
        	var height = heightz + 70 * local;
        }
        if (local < visit ) {
        	var height = heightz + 70 * visit;
        }
        if (local == visit ) height = heightz + 70 * local;
        
		if (local == "0" || visit == "0") width = widthz;
		else width = widthz * 2;
        
        var winl = (screen.width - width) / 2;
        var wint = (screen.height - height) / 2;
        winprops = 'height='+ height + ',' +
                   'width='+ width + ',' +
                   'top=' + wint + ',' +
                   'left=' + winl + ',' +
                   'scrollbars=' + scrollbars + ',' +
                   'resizable=' + resizable + ',' +
                   'titlebar=' + titlebar + ',' +
                   'dependent=' + dependent;
       	      	
        win = window.open(mypage, myname,winprops)
        if (parseInt(navigator.appVersion) >= 4) {
          win.window.focus();
        }
        return(win);
      }
      
      function valida(form) {
        return(true
	              && checkString(form.elements["titol"],'Título',false)
	              && checkDateSingle(form.elements["datai"],'Fecha de inicio',true)
                && checkDateSingle(form.elements["dataf"],'Fecha de fin',true)
	          )
	    }

	    function NewWindow(mypage, myname, height, width,scrollbars, resizable, titlebar, dependent) {
        var winl = (screen.width - width) / 2;
        var wint = (screen.height - height) / 2;
        winprops = 'height='+ height + ',' +
                   'width='+ width + ',' +
                   'top=' + wint + ',' +
                   'left=' + winl + ',' +
                   'scrollbars=' + scrollbars + ',' +
                   'resizable=' + resizable + ',' +
                   'titlebar=' + titlebar + ',' +
                   'dependent=' + dependent;
        win = window.open(mypage, myname,winprops)
        if (parseInt(navigator.appVersion) >= 4) {
          win.window.focus();
        }
        return(win);
      }