toggle = 0;

function togglead(){
	if(toggle==0){
		document.getElementById('advert').style.left = '-1000px';
		document.getElementById('hidead').innerHTML = '[ <u>Show Ad</u> ]';
		toggle = 1;
	}else{
		document.getElementById('advert').style.left = '0px';
		document.getElementById('hidead').innerHTML = '[ <u>Hide Ad</u> ]';
		toggle = 0;
	}
}