var imagon = new Array();
var imagoff = new Array();


imagon['empresa'] = new Image(); imagon['empresa'].src = '../img/menu/empresaon.gif';
imagoff['empresa'] = new Image(); imagoff['empresa'].src = '../img/menu/empresaoff.gif';

imagon['noticies'] = new Image(); imagon['noticies'].src = '../img/menu/noticieson.gif';
imagoff['noticies'] = new Image(); imagoff['noticies'].src = '../img/menu/noticiesoff.gif';

imagon['lloguer'] = new Image(); imagon['lloguer'].src = '../img/menu/llogueron.gif';
imagoff['lloguer'] = new Image(); imagoff['lloguer'].src = '../img/menu/llogueroff.gif';

imagon['vendes'] = new Image(); imagon['vendes'].src = '../img/menu/vendeson.gif';
imagoff['vendes'] = new Image(); imagoff['vendes'].src = '../img/menu/vendesoff.gif';

imagon['instalacions'] = new Image(); imagon['instalacions'].src = '../img/menu/instalacionson.gif';
imagoff['instalacions'] = new Image(); imagoff['instalacions'].src = '../img/menu/instalacionsoff.gif';

imagon['contacte'] = new Image(); imagon['contacte'].src = '../img/menu/contacteon.gif';
imagoff['contacte'] = new Image(); imagoff['contacte'].src = '../img/menu/contacteoff.gif';

function activar(imgobj) {
	imgobj.src=imagon[imgobj.id].src;
}	

function desactivar(imgobj) {
	if(imgobj.id != seccioactual ){
		imgobj.src= imagoff[imgobj.id].src;	
	}
}


function checkemail(str){
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (filter.test(str)) return true;
	else return false;
}


function enviar_contacte(formulari) {

	if(formulari.nom.value=="") {
		alert("No heu introduït el vostre nom");
		formulari.nom.focus();
	}
	else if(formulari.telefon.value=="") {
		alert("No heu introduït el vostre telèfon");
		formulari.telefon.focus();
	}
	else if(formulari.email.value=="") {
		alert("No heu introduït el vostre correu electrònic");
		formulari.email.focus();
	}
	else if(!checkemail(formulari.email.value)) {
		alert("Correu electrònic incorrecte");
		formulari.email.focus();
	}


	else formulari.submit();



}