function SymError()
{
 return true;
}
window.onerror = SymError;

function popupCenter(url,name,width,height)
{
 var left = (screen.width - width) / 2;
 var top = (screen.height - height) / 2;
 var options = "left=" + left + ",top=" + top + ",width=" + width + ",height=" + height;
 window.open(url,name,options);
 return true;
}

function msg(text)
{
if(!document.getElementById) return;
var msgbox = document.getElementById("msgbox");
msgbox.innerHTML = text;
}