function checkflash(){

        // Determine if flash is installed
	var hasReqestedVersion = DetectFlashVer(8, 0, 0);

        // Get placeholder
	var d = document.getElementById('header');

        // Insert correct content
	if (!hasReqestedVersion) {
               d.innerHTML = "";
        }
}

// Check flash after page has loaded
window.onload = checkflash;