function showCharsLeft(field, tam) {

	if (field.value.length > tam - 3) {
		alert('O texto atingiu o tamanha máximo de '+tam+' caracteres !');
		field.focus();
		return false;    
	}
	return true;

}


function showCharsLeft(field, tam) {

	if (tam) {
		if (field.value.length > tam - 3) {
			alert('O texto atingiu o tamanha máximo de '+tam+' caracteres !');
			field.focus();
			return false;    
		}
		return true;
	}
}

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_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_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];}
}


if(Browser == undefined)
{
    var Browser = {
        isIE: function(){ return (window.ActiveXObject && document.all && navigator.userAgent.toLowerCase().indexOf("msie") > -1  && navigator.userAgent.toLowerCase().indexOf("opera") == -1) ? true : false; }
    };
}

var Flash = function(movie, id, width, height, initParams)
{
    this.html = "";
    
    this.variables = new Array();
    
    this.flashversion = (typeof initParams != "undefined" && typeof initParams.flashversion != "undefined") ? initParams.flashversion : "7,0,0,0";
    
    this.attributes = {
        "classid": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000",
        "codebase": "http://fpdownload.macromedia.com/get/flashplayer/current/swflash.cab#version=" + this.flashversion,
        "type": "application/x-shockwave-flash"
    };
    
    this.params = { "pluginurl": "http://www.macromedia.com/go/getflashplayer" };
    
    if(movie)
    {
        this.addAttribute("data", movie);
        this.addParameter("movie", movie);
    }
    
    if(id && id != null && (this.id = id)) 
    {
        this.addAttribute("id", this.id);
        this.addAttribute("name", this.id);
    }
    else
    {
        this.id = null;
    }
    
    if(width) this.addAttribute("width", width);
    if(height) this.addAttribute("height", height);
    
    if(initParams != undefined)
    {
        for(var i in initParams) this.addParameter(i.toString(), initParams[i]);
    }
};
Flash.version = "v1.8";

Flash.prototype.getObject = function()
{
    if(this.id == null) return null;
    try
    {
        if(window.document[this.id])
        {
            return window.document[this.id];
        }
        else
        {
            return document.getElementById(window.document[this.id]);
        }
    }
    catch(e) { return null; }
};

Flash.getObjectByExceptions = function(obj, excep)
{
    var tempObj = {};
    for(var i in obj)
    {
        var EOF = false;
        for(var j=0; j<excep.length; j++) if(excep[j] == i.toString()) { EOF = true; break; };
        if(!EOF) tempObj[i] = obj[i];
    }
    return tempObj;
};

Flash.prototype.addAttribute = function(prop, val){ this.attributes[prop] = val; };
Flash.prototype.addParameter = function(prop, val){ this.params[prop] = val; };
Flash.prototype.addVariable = function(prop, val){ this.variables.push([prop, val]); };

Flash.prototype.getFlashVars = function()
{
    for(var i=0, tempString = new Array(); i<this.variables.length; i++) tempString.push(this.variables[i].join("="));
    return tempString.join("&");
};
Flash.prototype.toString = function()
{
    this.params.flashVars = this.getFlashVars();
    if(Browser.isIE())
    {
        //IE
        this.html = "<ob" + "ject";
        var attr = Flash.getObjectByExceptions(this.attributes, ["type", "data"]);
        for(var i in attr) if(i.toString() != "extend") this.html += " " + i.toString() + " = \"" + attr[i] + "\"";
        this.html += "> ";
        var params = Flash.getObjectByExceptions(this.params, ["pluginurl", "extend"]);
        for(var i in params) if(i.toString() != "extend") this.html += "<param name=\"" + i.toString() + "\" value=\"" + params[i] + "\" /> ";
        this.html += " </obj" + "ect>";
    }
    else
    {
        //non-IE
        this.html = "<!--[if !IE]> <--> <obj" + "ect";
        var attr = Flash.getObjectByExceptions(this.attributes, ["classid", "codebase"]);
        for(var i in attr) if(i.toString() != "extend") this.html += " " + i.toString() + " = \"" + attr[i] + "\"";
        this.html += "> ";
        var params = Flash.getObjectByExceptions(this.params, ["extend"]);
        for(var i in params) if(i.toString() != "extend") this.html += "<param name=\"" + i.toString() + "\" value=\"" + params[i] + "\" /> ";
        this.html += " </obj" + "ect> <!--> <![endif]-->";
    }
    return this.html;
};
Flash.prototype.write = Flash.prototype.writeIn = function(w)
{
    if(typeof w == "string" && (w = document.getElementById(w)));
    if( w != null ) { w.innerHTML = this.toString(); }
    else if( w == undefined ) { document.write( this.toString() ); }
        else { return false; }
};

//automatization functions...
Flash.correctAll = function()
{
    if(!/msie/.test(navigator.userAgent.toLowerCase()) || !document.getElementsByTagName) return false;
    for (var i = 0, objects = document.getElementsByTagName("OBJECT"); i < objects.length;
        (objects[i].outerHTML ? (objects[i].outerHTML = objects[i].outerHTML, objects[i].style.visibility = "visible") : null), i++);
};
Flash.automatic = function(r)
{
    if(r && window.attachEvent)
    {    
        for (var i = 0, objects = document.getElementsByTagName("OBJECT"); i < objects.length; (objects[i].style.visibility = "hidden"), i++);
        window.attachEvent("onload", Flash.correctAll);
        window.attachEvent("onunload", function(){ window.detachEvent("onload", Flash.correctAll); });
    }
    else
    {
        Flash.correctAll();
    }
};

//AJAX
function createXMLHTTP() {
	try {
		ajax = new ActiveXObject("Microsoft.XMLHTTP");
	} 
	catch(e) {
		try {
			ajax = new ActiveXObject("Msxml2.XMLHTTP");
			alert(ajax);
		}	
		catch(ex) {
			try {
				ajax = new XMLHttpRequest();
			}
			catch(exc) {
				alert("Esse browser não tem recursos para uso do Ajax");
				ajax = null;
			}
		}
		return ajax;
	}

	var arrSignatures = ["MSXML2.XMLHTTP.5.0", "MSXML2.XMLHTTP.4.0","MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP","Microsoft.XMLHTTP"];

	for (var i=0; i < arrSignatures.length; i++) {
		try {
	  	var oRequest = new ActiveXObject(arrSignatures[i]);
  	  return oRequest;
		} 
		catch (oError) {
		}
	}
	throw new Error("MSXML is not installed on your system.");
} 

function fnAjaxCarrega(sOp) {
	
	document.all.divCombo.innerHTML = "<p class=textobranco>Carregando, aguarde...</p>"

	var oHTTPRequest = createXMLHTTP(); 
	
	oHTTPRequest.open("post", "p_combo.php", true);
	oHTTPRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");	
	oHTTPRequest.onreadystatechange=function() {
	
		if (oHTTPRequest.readyState==4){
			document.all.divCombo.innerHTML = oHTTPRequest.responseText;
		}
	}
	oHTTPRequest.send("marca=" + sOp);
}