function getObj(name) {
	if (document.getElementById) {
		this.obj   = document.getElementById(name);
		this.style = document.getElementById(name).style;
	}
	else if (document.all) {
		this.obj   = document.all[name];
		this.style = document.all[name].style;
	}
	else if (document.layers) {
		this.obj   = document.layers[name];
		this.style = document.layers[name];
	}
}

function changeImage( loc, target ) {
	img = new getObj( loc );
	img.style.display = 'block';
	img.obj.src = target;
	try {
		img = new getObj( 'vidHere' );
		img.style.display = 'none';
	} catch(error){}
}