function espere(div){
	document.getElementById('fundo').style.display='';
	document.getElementById(div).style.display='';
}
function espereClose(div){
	document.getElementById('fundo').style.display='none';
	document.getElementById(div).style.display='none';
}
function validarForm(f,c){
	var e = 0;
	var c = c.split(',');
	var t = c.length
	for( ic=0 ; ic<t ; ic++ ){
	//	alert(document[f][c[ic]].name+': '+document[f][c[ic]].value);
		if(document[f][c[ic]].value==''){
			e = 1;
		}
	}
	if(e==1){
		alert('Por favor, informe os campos obrigatórios !');
		return false;
	}
	espere('Buscar');
	//return false;
}
function mFocus(c,p){
	c.bgColor = p;
}
function imgFocus(c,p){
	c.background = p;
}
function verifica_hora(v){
	if(v==''){
		return false;
	}
	
	var H = (v.substring(0,2)); 
	var M = (v.substring(3,5)); 
	//H = (document.forms[0].hora.value.substring(0,2)); 
	//M = (document.forms[0].hora.value.substring(3,5)); 
	
	//alert('H '+ hrs); 
	//alert('M '+ min); 
	
	// verifica data e hora 
	if ((H < 00 ) || (H > 23) || ( M < 00) ||( M > 59)){ 
		situacao = "falsa"; 
		return false;
	}else{
		return true;
	}
}