function getElementsByName_iefix(tag, name) {

     var elem = document.getElementsByTagName(tag);

     var arr = new Array();

     for(i = 0,iarr = 0; i < elem.length; i++) {

          att = elem[i].getAttribute("name");

          if(att == name) {

               arr[iarr] = elem[i];

               iarr++;

          }

     }

     return arr;

}



function toggle(obj) {

	var el = document.getElementById(obj);

	if ( el.style.display != 'none' ) {

		el.style.display = 'none';

	}

	else {

		el.style.display = '';

	}

}





function destaque_titulo(nome,cor) { getElementsByName_iefix('div',nome)[0].style.color=cor; }

function popup(URL,comprimento,altura) { 
	window.open(URL,'page','toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width='+comprimento+',height='+altura+'');  	
}

function popup(URL,comprimento,altura) { 
	window.open(URL,'page','toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width='+comprimento+',height='+altura+'');  	
}

function popup2(URL,comprimento,altura) { 
	window.open(URL,'page','toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width='+comprimento+',height='+altura+'');  	
}


function newsletter_subscrever() {
		if(document.newsletter.nome.value == "") alert("Tem que preencher um nome");
		else if((document.newsletter.email.value == "") ||  !((document.newsletter.email.value.indexOf(".") > 2) && (document.newsletter.email.value.indexOf("@") > 0))) alert("Tem que preencher um email correcto");
		else document.newsletter.submit();
	}