IE6 Flicker Fix

ie6-flicker-fix.js

function ie6FlickerFix() {
	try {
		document.execCommand("BackgroundImageCache", false, true);
	} catch(err) {}
}

var addLoadEvent = function(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			if (oldonload) {
				oldonload();
			}
			func();
		};
	}
};

addLoadEvent(ie6FlickerFix);