//huh, adjust for firefox
var ua = navigator.userAgent;
var opera = /opera [56789]|opera\/[56789]/i.test(ua);
-var moz = !opera && /gecko/i.test(ua);
+var webkit = /webkit/i.test(ua)
+var moz = !opera && !webkit && /gecko/i.test(ua);
if ( moz ) {
startingPosition += 20;
+} else if ( opera ) {
+ startingPosition += 21;
}
var documentYposition = startingPosition;