// JavaScript chao mung 2012 by HieuNT

function sWidth() {
	var myWidth=0;
	if( typeof( window.innerWidth ) == 'number' ) {
	//Non-IE
	myWidth = window.innerWidth;
	} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
	//IE 6+ in 'standards compliant mode'
	myWidth = document.documentElement.clientWidth;
	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
	//IE 4 compatible
	myWidth = document.body.clientWidth;
	}
}
function sHeight() {
	var myHeight=0;
	if( typeof( window.innerWidth ) == 'number' ) {
	//Non-IE
	myHeight = window.innerHeight;
	} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
	//IE 6+ in 'standards compliant mode'
	myHeight = document.documentElement.clientHeight;
	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
	//IE 4 compatible
	myHeight = document.body.clientHeight;
	}
	return myHeight;
}
function runChaoMung(id_div) {
	get_idDiv=document.getElementById(id_div);
	st=(document.documentElement.scrollTop+document.body.scrollTop);
	a=parseInt((sHeight()+st-get_idDiv.offsetTop)/28);
	if (get_idDiv.offsetTop<st+sHeight()-100) {
		get_idDiv.style.top=get_idDiv.offsetTop+a+"px";
	}
	if (get_idDiv.offsetTop>st+sHeight()-100) {
		get_idDiv.style.top=get_idDiv.offsetTop-2+"px";
	}
	setTimeout("runChaoMung('"+id_div+"');",20);
}