function OpenWindow(mypage,myname,w,h,scroll) {
	var winl = (screen.width - w) / 2;
    var wint = (screen.height - h) / 2;
    winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll
    win = window.open(mypage,myname,winprops)
    if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

function trim(str)
{
	return str.replace(/^\s+|\s+$/g,'');
}