function WinOpen(url,windowName,ext) {
  if(ext==true && url.indexOf("http://") < 0) {
	url = "http://" + url;
  }
  var winHandler = window.open(url,windowName,"left=50,top=50,width=600,height=500,toolbar=0,menubar=0,location=0,resizable=1,scrollbars=1");
  return winHandler;
}
function WinOpenFull(url, windowName,ext) {
  if(ext==true && url.indexOf("http://") < 0) {
	url = "http://" + url;
  }
  var winHandler = window.open(url,windowName);
  return winHandler;
}

/*----- key press event handler, which handle enter event to perform action script ----- */
function keyPressHandler(e,elemID, action) {
	var keynum;	//key ASCII value
	if(window.event) // IE
	{
		keynum = e.keyCode;
	}
	else if(e.which) // Netscape//Firefox/Opera
	{
		keynum = e.which;
	}
	if(keynum==13) {
		//----- perform action script -----
		if(action == "click") {
			document.getElementById(elemID).click();
		}
		else {
			eval(action);
		}
		return false;	//----- return false (to mark event as handled) -----
	}
	//----- pass on the event if not enter key -----
	return true;
}
function DropDownNav(obj){
    var loc = obj.options[obj.selectedIndex].value;
    if(loc != "")
        window.location.href = loc;
}