/*

  (c) 2005 a Marcal Juan Llao. Tots els drets reservats.
  marcalj@marcalj.net

  Codi font JavaScript
  Descripcio: Funcions varies

*/


function mostraOcultaDivs(nom_div)
{
	var e;
	e = document.getElementById(nom_div);
	
	if (e.style.visibility=="visible"){
		e.style.visibility="hidden";
		e.style.position="absolute";
	} else {
		e.style.visibility="visible";
		e.style.position="relative";
	}
}

function mostraDivs(nom_div)
{
	var e;
	e = document.getElementById(nom_div);
	
	if (e.style.visibility!="visible"){
		e.style.visibility="visible";
		e.style.position="relative";
	}
}

function ocultaDivs(nom_div)
{
	var e;
	e = document.getElementById(nom_div);
	
	if (e.style.visibility=="visible"){
		e.style.visibility="hidden";
		e.style.position="absolute";
	}
}

function estasSegur(text)
{
	if (confirm(text)){
		return true;
	} else {
		return false;
	}
}

//http://www.codeave.com/javascript/code.asp?u_log=7062
function comprobaMinimSeleccio()
{
	var seleccions = 0;
	rutaForm = document.getElementById("formulari");
	for (var i=0;i< rutaForm.elements.length;i++){
		if (rutaForm.elements[i].checked){
			seleccions = seleccions + 1;
		}
	}
	if (seleccions > 0){
		return true;
	} else {
		return false;
	}
}

function popup( url, nom_finestra, parametres)
{
	WindowObjectReference = window.open( url, nom_finestra, parametres );
}