function menu_principal_hover(id, pagina){



	var menu = document.getElementById('menu_principal_'+id);
	var submenu = document.getElementById('sub_menu_principal_'+id);
	menu.className = 'menu_principal_ul_li_hover';
	if (submenu != null) {
		//var posicao = pagina.indexOf('index');
		var posicao = pagina.split("?id=")[1];
		
		//alert(posicao)
			if (posicao == '168' || posicao ==undefined ) {
				submenu.className = 'menu_principal_sub_mostra_grande';
			} else {
				submenu.className = 'menu_principal_sub_mostra';
			}
	}
}

function menu_principal_out(id){
	var menu = document.getElementById('menu_principal_'+id);
	var submenu = document.getElementById('sub_menu_principal_'+id);
	menu.className = 'menu_principal_ul_li';
	if (submenu != null) { submenu.className = 'menu_principal_sub_esconde'; }
}

function menu_principal_sub_hover(id,subid){
	var menu = document.getElementById('sub_menu_principal_'+id+'_'+subid);
	menu.className = 'menu_principal_sub_ul_li_hover';
}

function menu_principal_sub_out(id,subid){
	var menu = document.getElementById('sub_menu_principal_'+id+'_'+subid);
	menu.className = 'menu_principal_sub_ul_li';
}

function geral_submenu_hover(id){
	var menu = document.getElementById('geral_submenu_'+id);
	menu.className = 'geral_submenu_hover';
}

function geral_submenu_out(id){
	var menu = document.getElementById('geral_submenu_'+id);
	menu.className = 'geral_submenu_normal';
}

function limpaforumlario(id,valor){
	if (document.getElementById(id).value == valor) {
		document.getElementById(id).value = '';
	}
}

function verificaformulario(id,valor){
	if (document.getElementById(id).value == '') {
		document.getElementById(id).value = valor;
	}
}

function verifica_pesq(form) {
//alert("verificação");
if((document.getElementById("valor_pesq").value=="") || (document.getElementById("valor_pesq").value=="Pesquisar")){
alert("Por favor insira uma palavra a pesquisar");
}


else if((document.getElementById("valor_pesq").value!="Pesquisar") && (document.getElementById("valor_pesq").value!="") ){

document.getElementById(form).action="index.php?id=123";
document.getElementById(form).submit();
}

}