function minmaxDock(clickobj,id) {
	obj=document.getElementById(id);
	
	if (obj.style.display == 'block') {
		display = 'none';
		clickobj.innerHTML='<img alt="max" src="/images/plus.png"/>'; 
	} 
	else {
		display = 'block';
		clickobj.innerHTML='<img alt="min" src="/images/min.png"/>';
	}
	obj.style.display = display;
}