function setDisplayBlock(idName)		{ document.getElementById(idName).style.display = 'block'; }
	function setDisplayNone(idName)			{ document.getElementById(idName).style.display = 'none'; }


	function mostra(item){
		if (item.style.display=='none'){
			setDisplayBlock(item);
		}
		else{
			setDisplayNone(item)
		}
	}

	var ultimo='';
	function showHide(gName)
	{
		if((gName==ultimo)&&(ultimo!=''))
			{
				Hide(gName);
				ultimo='';				
			}
		else
			{
				var o = document.getElementById(gName);
				if(o.style.display == 'none')
					{
						o.style.display = 'block'; 
					}
				ultimo=gName;				
			}
		
	}
	function Hide(gName)
	{
		var o = document.getElementById(gName);
		if(o.style.display == 'block'){
			o.style.display = 'none'; 
		}
	}

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

    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];}}
    }

    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 format_number(pnumber,decimals)
	{
		if (isNaN(pnumber)) { return 0};
		if (pnumber=='') { return 0};
		
		var snum = new String(pnumber);
		var sec = snum.split('.');
		var whole = parseFloat(sec[0]);
		var result = '';
		
		if(sec.length > 1){
			var dec = new String(sec[1]);
			dec = String(parseFloat(sec[1])/Math.pow(10,(dec.length - decimals)));
			dec = String(whole + Math.round(parseFloat(dec))/Math.pow(10,decimals));
			var dot = dec.indexOf('.');
			if(dot == -1){
				dec += '.'; 
				dot = dec.indexOf('.');
			}
			while(dec.length <= dot + decimals) { dec += '0'; }
			result = dec;
		} else{
			var dot;
			var dec = new String(whole);
			dec += '.';
			dot = dec.indexOf('.');		
			while(dec.length <= dot + decimals) { dec += '0'; }
			result = dec;
		}	
		return result;
	}

    function ap4(Foto, tamx, tamy)
    {
    window.open(Foto,"","resizable=no,toolbar=no,status=no,left = 100,top = 100,menubar=no,scrollbars=no,width=" + tamx + ",height=" + tamy)
    }