function proximoCampo(element, e){

    var key = window.event ? e.keyCode : e.which;
    if (key >=33 && key <=40)
        return;
    if(key == 8 || key == 46 || key ==9 || key ==16 || key ==0)
        return;

    formularios = document.getElementsByTagName("form");
	if (formularios.length>0){
		var i=0,j=0, indice=-1;
		var iFormsLength = 0;
		var iElementsLength = 0;
		if ((element.value.length >= element.maxLength) && (true)) {
			iFormsLength = formularios.length;
			for (i=0; i< iFormsLength; i++) {
				iElementsLength = formularios[i].elements.length;
				for (j=0; j < iElementsLength; j++) {
					if (formularios[i].elements[j].id == element.id) {
						indice=i;
						break;
					}
				}
				if (indice != -1) break;
			}
			iElementsLength = formularios[indice].elements.length;
			try{
			    for (i=0; i<(iElementsLength-1); i++) {
				    if (formularios[indice].elements[i].id == element.id) {
					    while ( (formularios[indice].elements[(i+1)].type == "hidden") &&
							    (i < iElementsLength) ) {
						    i++;
					    }
					    formularios[indice].elements[(i+1)].focus();
					    return;
				    }
			    }
			}catch(ex){}
		}
	}
}


function isNumber(numr){
	return !(isNaN(numr));
}

function estaVazio(vlr) {
	return ((vlr == null) || (vlr.length == 0));
}