function ventanaNormal (var_dir,var_x,var_y)
{
	var aux;
	//var strFeatures = "toolbar=no,directories=no,menubar=no,status=yes,resizable=yes,left=0,top=0,width="+var_x+",height="+var_y;
    //window.open(var_dir,"Sistema Integral",strFeatures);
    window.open(var_dir);
}

function ventanaModal (var_dir,var_x,var_y)
{
	var aux;
	var strFeatures = "dialogWidth="+var_x+"px;" +
	"dialogHeight="+var_y+"px; center=yes; help=no;";
	return window.showModalDialog(var_dir, "NewWin", strFeatures);
}

function ventanaDiv(var_dir,var_x,var_y)
{
    winModal = new Window('winModal', {className: "mac_os_x", title: "Sistema Integral", width:var_x, height:var_y,
    								  closable: true, url: var_dir,top:70, left:100})
    winModal.setDestroyOnClose();
    winModal.showCenter(true);

}