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_openBrWindow(theURL,winName,features) { //v2.0
	window.open(theURL,winName,features);
}

function MM_findObj(n, d) { //v4.0
	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 && document.getElementById) x=document.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 openPopup(winurl,winname,winfeatures) {
	window.open(winurl,winname,winfeatures);
}
function pop (winurl,winname,winfeatures) {
	window.open(winurl,winname,winfeatures);
}


var defaultEmptyOK = false

function isEmpty(s) {
   return ((s == null) || (s.length == 0))
}

function isString (s) {  
	if (isEmpty(s)) 
       if (isString.arguments.length == 1) return defaultEmptyOK;
       else return (isString.arguments[1] == true);
	// All characters are considered valid for now.
    return true;
}


function LoginForm_check_all_fields() {
    var invalid_fields = '';
    var valid_form = true;
    if(!isString(document.forms.LoginForm.loginuser.value)) {
    	invalid_fields += ('\n    ' + 'Valor inválido em Username: ' + document.forms.LoginForm.login_user.value);
    	valid_form = false;
    }

    if(!isString(document.forms.LoginForm.loginpassword.value)) {
    	invalid_fields += ('\n    ' + 'Valor inválido em Password: ' + document.forms.LoginForm.login_password.value);
    	valid_form = false;
    }

    if (! valid_form) {
    	alert('Foram encontrados alguns campos inválidos: ' + invalid_fields);
    }
    return valid_form;
} 



function LoginForm_submit() {
    if(LoginForm_check_all_fields()) {
    	document.forms.LoginForm.login_user.value = document.forms.LoginForm.loginuser.value;
    	document.forms.LoginForm.login_password.value = document.forms.LoginForm.loginpassword.value;
    	document.forms.LoginForm.hasSubmitted.value = "1";		
    	document.forms.LoginForm.submit();
    	return true;
    } else {
        return false;   
    }
}



/* Esta funcao foi criada para se usar no href */
function LoginFormSubmit() {
    if(LoginForm_check_all_fields()) {
    	document.forms.LoginForm.login_user.value = document.forms.LoginForm.loginuser.value;
    	document.forms.LoginForm.login_password.value = document.forms.LoginForm.loginpassword.value;
    	document.forms.LoginForm.hasSubmitted.value = "1";		
    	document.forms.LoginForm.submit();
    }
}


function criarjanela(href, target, width, height, haveTool, haveLocation, haveStatus, haveMenu, haveScroll, resizable) {
    mywindow = window.open(href,target,"width=" + width + ",height=" + height + ",toolbar=" + haveTool + ",location=" + haveLocation + "status=" + haveStatus + ",menubar=" + haveMenu + ",scrollbars=" + haveScroll + ",resizable=" + resizable);
    return mywindow;
}


function openChild (parentName, href, target, width, height, haveTool, haveLocation, haveStatus, haveMenu, haveScroll, resizable) {
	if (parentName != '') {
		window.name = parentName;   
	}
	mywindow = criarjanela(href, target, width, height, haveTool, haveLocation, haveStatus, haveMenu, haveScroll, resizable);
	mywindow.opener = parent;
}


function closeChild (parentURL, reload) {
	if (parentURL != '') {
		opener.location = parentURL;
	} else {
		if ( reload ) {
			top.opener.window.location.reload();
		}
	}
	top.window.close(); 
}


function AddVar(form, nome, valor) { 
	var objHTML = document.createElement("INPUT"); 
	objHTML.setAttribute("type", "hidden"); 
	objHTML.setAttribute("name", nome); 
	objHTML.setAttribute("id", nome); 
	objHTML.setAttribute("value", valor); 
	form.appendChild(objHTML);
}


function RemoveVar(form, nome) { 
	var objHTML = document.getElementById(nome);
	if ( objHTML != null ) {
		form.removeChild(objHTML);
	}
}


function openWindow (url,name) {
    window.open(url,name,'height=600, width=600, status=no, toolbar=no, menubar=no, resizable=no, scrollbars=no');    
}
