/* global variables */
gIsNav4 = (document.layers) ? true:false;
gIsIE4 = (document.all) ? true:false;

function open_Window(sName, sWindowName, winWidth, winHeight) {
	if (winWidth == null) winWidth = 500;
	if (winHeight == null) winHeight = 350;
	var newWindow = window.open(sName, sWindowName, 'width=' + winWidth + ',height=' + winHeight + ',scrollbars=yes,resizable=yes,toolbar=no,status=yes,menubar=yes');
}


/* image rollover function for menu items */
function swapImage(sName,sImage) {
  document.images[sName].src = sImage
}