function redirecciona(query_string){
	window.location = "pagina.php?" + query_string;
}

function getDivAltura(nomeDiv){
	var div = document.getElementById(nomeDiv);
	var altura=0;
	if (div)
		altura = div.offsetHeight;
	return altura;
}

function ajustaAlturaErrosMsgs(){
	var alturaErros = getDivAltura("erros");
	var alturaMsgs = getDivAltura("msgs");
	var alturaConteudo = getDivAltura("conteudo");
	var divConteudo = document.getElementById("conteudo");
	var divErros = document.getElementById("erros");
	var conteudoMarginTop = document.getElementById("conteudo").style.marginTop;
	//conteudoMarginTop = 42;
	var alturaTotal = alturaErros + alturaMsgs + conteudoMarginTop;
	alert("alturaTotal: " + alturaTotal + " alturaErros: " + alturaErros + " alturaMsgs: " + alturaMsgs + " conteudoMarginTop: " + conteudoMarginTop);
	divErros.setAttribute("style", "margin-top:-" + alturaConteudo + "px");
	divConteudo.setAttribute("style", "margin-top:" + alturaTotal + "px");
	alert("conteudoMT: " + conteudoMarginTop);
}

function mostraErros(erros){
	var divErros = document.getElementById("erros");
	divErros.style.display = "block";
	divErros.innerHTML = erros;
}

function mostraMsgs(msgs){
	var divMsgs = document.getElementById("msgs");
	divMsgs.style.display = "block";
	divMsgs.innerHTML = msgs;
}

function getElementsByStyleClass (className) {
	var all = document.all ? document.all :	document.getElementsByTagName('*');
	var elements = new Array();
	for (var e = 0; e < all.length; e++)
		if (all[e].className == className)
			elements[elements.length] = all[e];
	return elements;
}

function getScrollXY() {
    var x = 0, y = 0;
    if( typeof( window.pageYOffset ) == 'number' ) {
        // Netscape
        x = window.pageXOffset;
        y = window.pageYOffset;
    } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
        // DOM
        x = document.body.scrollLeft;
        y = document.body.scrollTop;
    } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
        // IE6 standards compliant mode
        x = document.documentElement.scrollLeft;
        y = document.documentElement.scrollTop;
    }
    return [x, y];
}

function setScrollXY(x, y) {
    window.scrollTo(x, y);
}
function isNumeric(obj,e){
	var unicode=e.charCode? e.charCode : e.keyCode
	if (unicode!=8 && unicode!=9 && unicode!=37 && unicode!=39){ //se n é backspace ou tab ou setas left e right
	if (unicode==44 || unicode==46){
		for (var i=0; i<obj.value.length; i++){
			if (obj.value.charAt(i)=="." || obj.value.charAt(i)==",")
				return false
		}
	}
			
		if ( (unicode<48 && unicode!=44 && unicode!=46) || unicode>57) //se n é um numero
			return false //disable key press
	}
}
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 bloqueia(){
$.blockUI({ css: { 
        padding:        20 
    }, message: 'A carregar...<br><img src="../imagens/loading.gif" />' });
}