/**
* Code below taken from - http://www.evolt.org/article/document_body_doctype_switching_and_more/17/30655/ *
* Modified 4/22/04 to work with Opera/Moz (by webmaster at subimage dot com)
* Gets the full width/height because it's different for most browsers.
*/
function getViewportHeight() {
    if (window.innerHeight != window.undefined) return window.innerHeight;
    if (document.compatMode == 'CSS1Compat') return document.documentElement.clientHeight;
    if (document.body) return document.body.clientHeight;
    return window.undefined;
}
function getViewportWidth() {
    if (window.innerWidth != window.undefined) return window.innerWidth;
    if (document.compatMode == 'CSS1Compat') return document.documentElement.clientWidth;
    if (document.body) return document.body.clientWidth;
    return window.undefined;
}
function stripPXFromString(originalString) {
    return originalString.replace(/px/i, "");
}
function f_scrollTop() {
    return f_filterResults(
		window.pageYOffset ? window.pageYOffset : 0,
		document.documentElement ? document.documentElement.scrollTop : 0,
		document.body ? document.body.scrollTop : 0
	);
}
function f_filterResults(n_win, n_docel, n_body) {
    var n_result = n_win ? n_win : 0;
    if (n_docel && (!n_result || (n_result > n_docel)))
        n_result = n_docel;
    return n_body && (!n_result || (n_result > n_body)) ? n_body : n_result;
}