function getUrlVars()
{
    var vars = [], hash;
    var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
	var arrvariavel = hashes[0].split('=');
	if (arrvariavel.length>1)
	{
		return arrvariavel[1];	 
	}else{
		return("inicio.html")
	}
}
function abrepagina( arquivo){
	strParametros = "";		
			$.ajax({
				type: "GET",
				url: arquivo,
				cache: false,
				async: false,
				dataType: "plain",
				success: function( data ) {	strResult = data; },
				data: strParametros
			});	
			$('#conteudo').html( strResult );	
	}