/** http://www.howtocreate.co.uk/tutorials/javascript/browserwindow */
var winW = 630, winH = 460;
function winSize()
{
    if( typeof( window.innerWidth ) == 'number' ) {
        winW = window.innerWidth;
        winH = window.innerHeight;
    }
    else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
        winW = document.documentElement.clientWidth;
        winH = document.documentElement.clientHeight;
    }
    else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
        winW = document.body.clientWidth;
        winH = document.body.clientHeight;
    }
}