function abrirpopup(url,title){
 var ventana=window.open(url,title,"width=730,height=700,resizable=yes,scrollbars=yes,menubar=no"); 
 
}

function foco(obj) {
  obj.style.backgroundColor = '#83171a';
  obj.style.color = '#FFFFFF';
}


function nofoco(obj) {
  obj.style.backgroundColor = '#FFFFFF';
  obj.style.color = '#000000';
}

function isCorrect(field,message)
{
	var elementofield = document.getElementById(field);
	var elemento = document.getElementById(message);
	if(elementofield.value=="") 
  	{
  		elemento.setAttribute(document.all ? 'className' : 'class', "showerrorMessage")
  		return false;
  	}
  	else
  	{
  		elemento.setAttribute(document.all ? 'className' : 'class', "errorMessage");
  		return true;
  	}
}
function isValidEmail(str,msgError) {
	var valid=(str.indexOf(".") > 2) && (str.indexOf("@") > 0);
	
	if(!valid && document.getElementById(msgError)){
		var elemento = document.getElementById(msgError);
		elemento.setAttribute(document.all ? 'className' : 'class', "showerrorMessage")
	}
	return valid;
}