(function () {
	// for HTML5
	var els = [
		'section', 'article', 'hgroup', 'header',
		'footer', 'nav','aside', 'figure',
		'mark', 'time', 'ruby', 'rt', 'rp',
		'figcaption', 'video', 'audio', 'meter', 'progress',
		'canvas', 'details', 'summary', 'output'
	];
	for (var i=0; i<els.length; i++ ) {
		document.createElement(els[i]);
	}
	// for IE6
	if( ! document.documentMode || document.documentMode < 7) {
		var min_width_enable = function(){
			if( typeof(document.body.style.minWidth) != "undefined" ) { return; }
			var w = parseInt(document.body.clientWidth);
			if( w < 800 ) {
				document.getElementById("wrapper").style.width = "800px";
			}
		};
		if (window.attachEvent) {
			window.attachEvent("onload" , min_width_enable);
			window.attachEvent("onresize", min_width_enable);
		}
	}
})();