function opWin(src,w,h,sc){
	var feat = 'width='+w+',height='+h;
	if(sc == 'y') feat+= ',scrollbars=yes';
	nWinn = window.open(src,'pwin',feat);
	nWinn.focus();
}

function hideIt(n){
	obj = document.getElementById(n);
	if(obj.style.display == 'none'){
		obj.style.display = 'block';
	}else{
		obj.style.display = 'none';
	}
}