function shadowContent() {
	var shadow = document.createElement('div');
	shadow.setAttribute('id','content-shadow');
	document.getElementById('content').appendChild(shadow);
}

/*
Attach events
*/
if (typeof window.addEventListener != 'undefined') {

	window.addEventListener('load',shadowContent,false);
	
} else if (typeof document.addEventListener != 'undefined') {

	document.addEventListener('load',shadowContent,false);
	
} else if (typeof window.attachEvent != 'undefined') {
	
	window.attachEvent('onload',shadowContent);
	
}